本發明是屬於通信技術領域，特別是關於一種上行傳輸方法、使用者設備(UE，User Equipment)、基地台和系統。The present invention belongs to the field of communication technology, and particularly relates to an uplink transmission method, a user equipment (UE, User Equipment), a base station, and a system.
隨著移動資料業務量的不斷增長，頻譜資源越來越緊張，僅使用授權頻譜資源進行網路部署和業務傳輸可能無法滿足業務量需求。因此長期演進(LTE，Long Term Evolution)系統考慮在非授權頻譜資源上部署傳輸，即非授權頻段LTE(Unlicensed LTE，簡稱為U-LTE或者LTE-U)，以提高用戶體驗和擴展覆蓋。As the volume of mobile data services continues to increase, spectrum resources become more and more tight. Network deployment and service transmission using only authorized spectrum resources may not be able to meet business volume requirements. Therefore, the Long Term Evolution (LTE) system considers deploying transmission on unlicensed spectrum resources, that is, Unlicensed LTE (U-LTE or LTE-U for short) to improve user experience and extended coverage.
目前為了支援多個UE上行傳輸時頻率選擇性調度，LTE-U系統中配置了傳輸探測參考信號(SRS，Sounding Reference Signal)的子訊框，UE在該子訊框中傳輸SRS實現頻率選擇性調度。在實際傳輸時傳輸SRS的SRS符號總是在傳輸實體上行共用通道(PUSCH，Physical Uplink Shared Channel)上行資料的符號之後。例如：子訊框中最後一個符號為SRS符號。然而，在實際應用中，可能會存在UE沒有在子訊框的SRS符號傳輸SRS，這樣UE就無法在該子訊框的下一個子訊框存取通道，從而導致傳輸資源浪費。Currently, in order to support frequency selective scheduling for uplink transmission of multiple UEs, the LTE-U system is configured with a sub-frame for transmitting a sounding reference signal (SRS). The UE transmits SRS in the sub-frame to achieve frequency selectivity. Scheduling. In actual transmission, the SRS symbol of the SRS is always transmitted after the symbol of the uplink data of the physical uplink shared channel (PUSCH, Physical Uplink Shared Channel). For example: the last symbol in the message box is the SRS symbol. However, in practical applications, there may be a case where the UE does not transmit the SRS in the SRS symbol of the sub-frame, so that the UE cannot access the channel in the next sub-frame of the sub-frame, resulting in a waste of transmission resources.
本發明提供一種上行傳輸方法、UE、基地台和系統，解決了傳輸資源浪費的問題。The invention provides an uplink transmission method, a UE, a base station and a system, which solves the problem.The problem of wasted transmission resources.
本發明一些實施例提供一種上行傳輸方法，包括：接收基地台發送的指示資訊；根據該指示資訊確定進行先聽後說(LBT，Listen Before Talk)檢測的檢測資源；在該檢測資源進行該LBT檢測存取通道，並在被調度子訊框中使用該通道向該基地台進行上行傳輸。Some embodiments of the present invention provide an uplink transmission method, including: receiving instruction information sent by a base station; determining a detection resource for performing Listen Before Talk (LBT) detection according to the instruction information; and performing the LBT on the detection resource The access channel is detected, and the channel is used for uplink transmission to the base station in the scheduled subframe.
可選的，該根據該指示資訊確定進行LBT檢測的檢測資源，包括：若該指示資訊指示該被調度子訊框沒有配置LBT資源，將該被調度子訊框的前一個子訊框的資源作為進行該LBT檢測的檢測資源。Optionally, determining the detection resource for LBT detection according to the instruction information includes: if the instruction information indicates that the scheduled sub-frame is not configured with LBT resources, the resource of the previous sub-frame of the scheduled sub-frame As a detection resource for performing the LBT detection.
可選的，將該被調度子訊框的前一個子訊框的資源作為進行該LBT檢測的檢測資源，包括：將該被調度子訊框的前一個子訊框的SRS符號作為進行該LBT檢測的檢測資源；或者將該被調度子訊框的前一個子訊框的空閒資源作為進行該LBT檢測的檢測資源。Optionally, using the resource of the previous sub-frame of the scheduled sub-frame as the detection resource for performing the LBT detection includes: using the SRS symbol of the previous sub-frame of the scheduled sub-frame as the LBT. The detection resource of the detection; or the idle resource of the previous subframe of the scheduled subframe is used as the detection resource for performing the LBT detection.
可選的，該根據該指示資訊確定進行LBT檢測的檢測資源，包括：若該指示資訊指示該被調度子訊框配置有LBT資源，將該被調度子訊框中配置的LBT資源作為進行該LBT操作的檢測資源。Optionally, determining the detection resource for performing LBT detection according to the instruction information includes: if the instruction information indicates that the scheduled sub-frame is configured with LBT resources, using the LBT resource configured in the scheduled sub-frame as the Detection resources for LBT operations.
可選的，該方法還包括：接收該基地台發送的指示佔用SRS符號進行上行傳輸的信號；該在被調度子訊框中使用該通道向該基地台進行上行傳輸，包括：根據該信號在被調度子訊框中包括SRS符號在內的資源中使用該通道向該基地台進行上行傳輸。Optionally, the method further includes:Receiving a signal sent by the base station indicating that the SRS symbol is occupied for uplink transmission; using the channel in the scheduled subframe to perform uplink transmission to the base station, including: including the SRS symbol in the scheduled subframe according to the signal This channel is used in the resources included for uplink transmission to the base station.
本發明一些實施例還提供一種上行傳輸方法，包括：向UE發送指示資訊，以使該UE根據該指示資訊確定進行LBT檢測的檢測資源，在該檢測資源進行該LBT檢測存取通道；接收該UE在被調度子訊框中使用該通道進行的上行傳輸。Some embodiments of the present invention further provide an uplink transmission method, including: sending instruction information to a UE, so that the UE determines a detection resource for performing LBT detection according to the instruction information, and performing the LBT detection access channel on the detection resource; receiving the The UE uses this channel for uplink transmission in the scheduled subframe.
可選的，該指示資訊指示該被調度子訊框沒有配置LBT資源，以使該UE將該被調度子訊框的前一個子訊框的資源作為進行該LBT檢測的檢測資源。Optionally, the indication information indicates that the scheduled sub-frame is not configured with LBT resources, so that the UE uses the resource of the previous sub-frame of the scheduled sub-frame as a detection resource for performing the LBT detection.
可選的，該檢測資源為該被調度子訊框的前一個子訊框的SRS符號；或者該檢測資源為該被調度子訊框的前一個子訊框的空閒資源。Optionally, the detection resource is an SRS symbol of a previous sub-frame of the scheduled sub-frame; or the detection resource is an idle resource of a previous sub-frame of the scheduled sub-frame.
可選的，該指示資訊指示該被調度子訊框配置有LBT資源，以使該UE將該被調度子訊框中配置的LBT資源作為進行該LBT操作的檢測資源。Optionally, the indication information indicates that the scheduled subframe is configured with an LBT resource, so that the UE uses the LBT resource configured in the scheduled subframe as a detection resource for performing the LBT operation.
可選的，該方法還包括：向該UE發送指示佔用SRS符號進行上行傳輸的信號；該接收該UE在被調度子訊框中使用該通道進行的上行傳輸，包括：接收該UE根據該信號在被調度子訊框中包括SRS符號在內的資源中使用該通道進行的上行傳輸。Optionally, the method further includes: sending a signal to the UE indicating that the SRS symbol is occupied for uplink transmission; and receiving the uplink transmission by the UE using the channel in the scheduled subframe includes: receiving the UE according to the signal Use the channel for uplink transmission in the resources including the SRS symbol in the scheduled subframe.
本發明一些實施例還提供一種UE，包括處理器，收發機，記憶體，其中該處理器用於讀取該記憶體中的電腦可讀程式以執行以下操作：通過該收發機接收基地台發送的指示資訊；根據該指示資訊確定進行LBT檢測的檢測資源；在該檢測資源進行該LBT檢測存取通道，並在被調度子訊框中使用該通道向該基地台進行上行傳輸；該收發機用於在該處理器的控制下接收和發送資料；該記憶體用於保存該處理器執行操作時所使用的資料。Some embodiments of the present invention further provide a UE, including a processor, a transceiver, and a memory, wherein the processor is configured to read a computer-readable program in the memory to perform the following operations: receiving, by the transceiver, a base station Instruction information; determine the detection resource for LBT detection according to the instruction information; perform the LBT detection access channel on the detection resource, and use the channel to perform uplink transmission to the base station in the scheduled sub-frame; the transceiver is used for Data is received and sent under the control of the processor; the memory is used to store data used by the processor to perform operations.
可選的，該處理器還用於讀取該記憶體中的電腦可讀程式以執行下列操作：若該指示資訊指示該被調度子訊框沒有配置LBT資源，將該被調度子訊框的前一個子訊框的資源作為進行該LBT檢測的檢測資源。Optionally, the processor is further configured to read a computer-readable program in the memory to perform the following operations: If the instruction information indicates that the scheduled sub-frame is not configured with an LBT resource, the The resource of the previous subframe is used as the detection resource for performing the LBT detection.
可選的，該處理器還用於讀取該記憶體中的電腦可讀程式以執行下列操作：將該被調度子訊框的前一個子訊框的SRS符號作為進行該LBT檢測的檢測資源；或者將該被調度子訊框的前一個子訊框的空閒資源作為進行該LBT檢測的檢測資源。Optionally, the processor is further configured to read a computer-readable program in the memory to perform the following operations: The SRS symbol of the previous sub-frame of the scheduled sub-frame is used as a detection resource for performing the LBT detection. Or the idle resource of the previous subframe of the scheduled subframe is used as the detection resource for performing the LBT detection.
可選的，該處理器還用於讀取該記憶體中的電腦可讀程式以執行下列操作，若該指示資訊指示該被調度子訊框配置有LBT資源，將該被調度子訊框中配置的LBT資源作為進行該LBT操作的檢測資源。Optionally, the processor is further configured to read a computer-readable program in the memory to perform the following operations. If the instruction information indicates that the scheduled subframe is configured with LBT resources, the scheduled subframe is configured. The configured LBT resource is used as a detection resource for performing the LBT operation.
可選的，該處理器還用於讀取該記憶體中的電腦可讀程式以執行下列操作：接收該基地台發送的指示佔用SRS符號進行上行傳輸的信號；根據該信號在被調度子訊框中包括SRS符號在內的資源中，使用該通道向該基地台進行上行傳輸。Optionally, the processor is further configured to read a computer-readable program in the memory to perform the following operations:Receive a signal sent by the base station indicating that the SRS symbol is occupied for uplink transmission; according to the signal, use the channel to perform uplink transmission to the base station in the resources including the SRS symbol in the scheduled subframe.
本發明一些實施例還提供一種基地台，包括處理器，收發機，記憶體，其中，該處理器用於讀取該記憶體中的電腦可讀程式以執行以下操作：通過該收發機向UE發送指示資訊，以使該UE根據該指示資訊確定進行LBT檢測的檢測資源，在該檢測資源進行該LBT檢測存取通道；通過該收發機接收該UE在被調度子訊框中使用該通道進行的上行傳輸。Some embodiments of the present invention further provide a base station, including a processor, a transceiver, and a memory, wherein the processor is used to read a computer-readable program in the memory to perform the following operations: sending to the UE through the transceiver Instruction information, so that the UE determines a detection resource for performing LBT detection according to the instruction information, performs the LBT detection access channel at the detection resource, and receives, by the transceiver, the UE using the channel in the scheduled subframe Upstream transmission.
可選的，該指示資訊指示該被調度子訊框沒有配置LBT資源，以使該UE將該被調度子訊框的前一個子訊框的資源作為進行該LBT檢測的檢測資源。Optionally, the indication information indicates that the scheduled sub-frame is not configured with LBT resources, so that the UE uses the resource of the previous sub-frame of the scheduled sub-frame as a detection resource for performing the LBT detection.
可選的，該檢測資源為該被調度子訊框的前一個子訊框的SRS符號；或者該檢測資源為該被調度子訊框的前一個子訊框的空閒資源。Optionally, the detection resource is an SRS symbol of a previous sub-frame of the scheduled sub-frame; or the detection resource is an idle resource of a previous sub-frame of the scheduled sub-frame.
可選的，該指示資訊指示該被調度子訊框配置有LBT資源，以使該UE將該被調度子訊框中配置的LBT資源作為進行該LBT操作的檢測資源。Optionally, the indication information indicates that the scheduled subframe is configured with an LBT resource, so that the UE uses the LBT resource configured in the scheduled subframe as a detection resource for performing the LBT operation.
可選的，該處理器還用於讀取該記憶體中的電腦可讀程式以執行下列操作：向該UE發送指示佔用SRS符號進行上行傳輸的信號；通過該收發機，接收該UE根據該信號在被調度子訊框中包括SRS符號在內的資源中使用該通道進行的上行傳輸。Optionally, the processor is further configured to read a computer-readable program in the memory to perform the following operations: sending a signal to the UE indicating that the SRS symbol is occupied for uplink transmission;Through the transceiver, the UE receives uplink transmission using the channel in the resources including the SRS symbol in the scheduled sub-frame according to the signal.
本發明一些實施例還提供一種上行傳輸系統，包括：基地台，用於向UE發送指示資訊；該UE，用於接收基地台發送的指示資訊；該UE還用於根據該指示資訊確定進行LBT檢測的檢測資源；該UE還用於在該檢測資源進行該LBT檢測存取通道，並在被調度子訊框中使用該通道向該基地台進行上行傳輸；該基地台還用於接收該UE在該被調度子訊框中使用該通道進行的上行傳輸。Some embodiments of the present invention further provide an uplink transmission system, including: a base station for sending instruction information to a UE; the UE for receiving instruction information sent by the base station; and the UE is also used for determining LBT according to the instruction information The detected detection resource; the UE is also used to perform the LBT detection access channel on the detection resource, and use the channel to perform uplink transmission to the base station in the scheduled subframe; the base station is also used to receive the UE Use the channel for uplink transmission in the scheduled subframe.
本發明實施例，接收基地台發送的指示資訊，並根據該指示資訊確定進行LBT檢測的檢測資源，在該檢測資源進行該LBT檢測存取通道，並在被調度子訊框中使用該通道向該基地台進行上行傳輸。這樣可以實現根據在指示資訊確定的檢測資源進行LBT存取通道，從而可以避免出現無法存取通道的子訊框，以節約傳輸資源，進而解決了傳輸資源浪費的問題。In the embodiment of the present invention, the instruction information sent by the base station is received, and the detection resource for performing LBT detection is determined according to the instruction information. The LBT detection access channel is performed on the detection resource, and the channel is used in the scheduled subframe The base station performs uplink transmission. In this way, the LBT access channel can be implemented according to the detection resources determined in the instruction information, thereby avoiding the occurrence of sub-frames that cannot access the channel, thereby saving transmission resources, and thereby solving the problem of wasted transmission resources.
11‧‧‧使用者設備11‧‧‧User Equipment
12‧‧‧基地台12‧‧‧ base station
201-203、501-502‧‧‧方法201-203、501-502‧‧‧Method
61‧‧‧第一接收模組61‧‧‧First receiving module
62‧‧‧確定模組62‧‧‧ Determine the module
1000‧‧‧處理器1000‧‧‧ processor
1010‧‧‧收發機1010‧‧‧ Transceiver
1020‧‧‧記憶體1020‧‧‧Memory
1030‧‧‧使用者介面1030‧‧‧User Interface
1100‧‧‧處理器1100‧‧‧ processor
63‧‧‧傳輸模組63‧‧‧Transmission Module
64‧‧‧第二接收模組64‧‧‧Second receiving module
81‧‧‧第一發送模組81‧‧‧First sending module
82‧‧‧接收模組82‧‧‧Receiving module
83‧‧‧第二發送模組83‧‧‧Second sending module
1110‧‧‧收發機1110‧‧‧ Transceiver
1120‧‧‧記憶體1120‧‧‧Memory
1130‧‧‧使用者介面1130‧‧‧user interface
121‧‧‧基地台121‧‧‧ base station
122‧‧‧使用者設備122‧‧‧User Equipment
圖1為本發明實施例提供的網路結構示意圖；圖2 是本發明實施例提供的一種上行傳輸方法的流程示意圖；圖3是本發明實施例提供的一種子訊框傳輸資料的示意圖；圖4是本發明實施例提供的一種子訊框傳輸資料的示意圖；圖5是本發明實施例提供的一種上行傳輸方法的流程示意圖；圖6是本發明實施例提供的一種UE的結構示意圖；圖7是本發明實施例提供的一種UE的結構示意圖；圖8是本發明實施例提供的一種基地台的結構示意圖；圖9是本發明實施例提供的一種基地台的結構示意圖；圖10是本發明實施例提供的一種UE的結構示意圖；圖11是本發明實施例提供的一種基地台的結構示意圖；圖12是本發明實施例提供的一種上行傳輸系統的結構示意圖。FIG. 1 is a schematic diagram of a network structure according to an embodiment of the present invention; FIG. 2 is a schematic flowchart of an uplink transmission method provided by an embodiment of the present invention; FIG. 3 is a schematic diagram of data transmission by a sub-frame provided by an embodiment of the present invention; 4 is a schematic diagram of transmitting data in a sub-frame according to an embodiment of the present invention;5 is a schematic flowchart of an uplink transmission method according to an embodiment of the present invention; FIG. 6 is a schematic structural diagram of a UE according to an embodiment of the present invention; FIG. 7 is a schematic structural diagram of a UE according to an embodiment of the present invention; A schematic structural diagram of a base station according to an embodiment of the present invention; FIG. 9 is a schematic structural diagram of a base station according to an embodiment of the present invention; FIG. 10 is a schematic structural diagram of a UE according to an embodiment of the present invention; FIG. 12 is a schematic structural diagram of an uplink transmission system according to an embodiment of the present invention.
為使本發明要解決的技術問題、技術方案和優點更加清楚，下面將結合附圖及具體實施例進行詳細描述。In order to make the technical problems, technical solutions, and advantages of the present invention clearer, the following describes in detail with reference to the accompanying drawings and specific embodiments.
本發明實施例針對相關技術中UE沒有在子訊框的SRS符號傳輸SRS，使UE無法在該子訊框的下一個子訊框存取通道，從而導致傳輸資源浪費的問題，提供一種上行傳輸方法、UE、基地台和系統。本發明實施例中通過基地台發送的指示資訊確定進行LBT檢測的檢測資源，從而在該檢測資源進行LBT檢測存取通道，並在被調度子訊框中使用該通道向基地台進行上行傳輸，以避免出現無法存取通道的子訊框，以節約傳輸資源。An embodiment of the present invention provides an uplink transmission in response to the problem that the UE does not transmit SRS in the SRS symbol of the sub-frame in the related art, so that the UE cannot access the channel in the next sub-frame of the sub-frame. Method, UE, base station and system. In the embodiment of the present invention, the detection resource for performing LBT detection is determined by using the instruction information sent by the base station, so that the LBT detection access channel is used in the detection resource, and the channel is used to perform uplink transmission to the base station in the scheduled subframe. To avoid sub-frames that cannot access the channel, to save transmission resources.
參見圖1，圖1為本發明一些實施例提供的網路結構示意圖，如圖1所示，包括UE11和基地台12。其中，UE11可以是手機、平板電腦、個人電腦、筆記型電腦、可穿戴設備等可以存取網路的終端設備，需要說明的是，在本發明實施例中並不限定UE11的具體類型。UE11可以與基地台12建立通信，基地台12可以是演進型基地台(eNB，evolved Node B)或者其他基地台，需要說明的是，在本發明實施例中並不限定基地台12的具體類型。Referring to FIG. 1, FIG. 1 is a schematic diagram of a network structure provided by some embodiments of the present invention. As shown in FIG. 1, the network structure includes a UE 11 and a base station 12. The UE11 may be a terminal device that can access the network, such as a mobile phone, a tablet computer, a personal computer, a notebook computer, and a wearable device. It should be noted that the specific type of the UE11 is not limited in the embodiment of the present invention. UE11 may establish communication with base station 12, which may be an evolved base station (eNB, evolved Node B) orFor other base stations, it should be noted that the specific type of the base station 12 is not limited in the embodiment of the present invention.
基於圖1所示的網路結構，本發明一些實施例提供一種上行傳輸方法，如圖2所示，包括以下步驟：Based on the network structure shown in FIG. 1, some embodiments of the present invention provide an uplink transmission method, as shown in FIG. 2, including the following steps:
201、接收基地台發送的指示資訊。201. Receive instruction information sent by a base station.
202、根據該指示資訊確定進行LBT檢測的檢測資源。202. Determine a detection resource for performing LBT detection according to the instruction information.
203、在該檢測資源進行該LBT檢測存取通道，並在被調度子訊框中使用該通道向該基地台進行上行傳輸。203. Perform the LBT detection access channel on the detection resource, and use the channel in the scheduled subframe to perform uplink transmission to the base station.
本實施例中，上述指示資訊可以用於指示確定進行LBT檢測的檢測資源，這樣步驟202就可以根據該指示資訊確定上述檢測資源。其中，上述檢測資源可以理解為進行LBT檢測的起始資源，即步驟202可以理解為確定進行LBT檢測的起始位置。或者上述檢測資源還可以理解為進行LBT檢測所需要的資源，即步驟202可以理解為確定進行LBT檢測的檢測位置。另外，上述檢測資源可以包括一個或者多個符號，或者上述檢測資源還可以包括單個符號中的部分內容等等，對此本實施例不作限定。其中，上述符號可以是正交分頻多工技術(OFDM，Orthogonal Frequency Division Multiplexing)符號，或者可以是單載波分頻多重進接(SC-FDMA，Single-carrier Frequency-Division Multiple Access)符號。另外，上述上行傳輸可以傳輸上行資料或者上行信號等，對此本實施例不作限定。In this embodiment, the foregoing indication information may be used to instruct determination of a detection resource for performing LBT detection, so that step 202 may determine the detection resource according to the indication information. The above detection resource can be understood as a starting resource for performing LBT detection, that is, step 202 can be understood as determining a starting position for performing LBT detection. Or the above detection resources may also be understood as resources required for performing LBT detection, that is, step 202 may be understood as determining a detection position for performing LBT detection. In addition, the detection resource may include one or more symbols, or the detection resource may further include a part of a single symbol, etc., which is not limited in this embodiment. The above symbol may be an Orthogonal Frequency Division Multiplexing (OFDM) symbol, or may be a Single-Carrier Frequency-Division Multiple Access (SC-FDMA) symbol. In addition, the foregoing uplink transmission may transmit uplink data or uplink signals, which is not limited in this embodiment.
本實施例中，上述通道可以是實體上行通道，例如：實體上行共用通道(PUSCH，Physical Uplink Shared Channel)，當然，在一些場景中上述通道還可以是其他實體上行通道，例如：實體層隨機存取通道(PRACH，Physical Random Access Channel)等等，對此本實施例不作限定。In this embodiment, the above channel may be a physical uplink channel, such as a physical uplink shared channel (PUSCH). Of course, in some scenarios, the above channel may also be another physical uplink channel, for example, the physical layer randomly stores Take channel(PRACH, Physical Random Access Channel) and the like, which are not limited in this embodiment.
其中，上述被調度子訊框可以是被UE調度的子訊框，或者上述被調度子訊框還可以理解當前子訊框，即UE存取通道後，UE當前使用的子訊框。另外，上述被調度子訊框可以是頻分雙工(FDD，Frequency Division Duplexing)無線訊框中的子訊框，或者上述被調度子訊框可以是時分雙工(TDD，Time Division Duplexing)無線訊框中的子訊框等。另外，上述檢測資源與上述被調度子訊框還可以屬於同一無線訊框，即步驟202可以是在該無線訊框中確定上述檢測資源，以及在該無線訊框的被調度子訊框中進行上行傳輸。The scheduled sub-frame may be a sub-frame scheduled by the UE, or the scheduled sub-frame may also understand the current sub-frame, that is, the sub-frame currently used by the UE after the UE accesses the channel. In addition, the scheduled sub-frame may be a sub-frame in a Frequency Division Duplexing (FDD) wireless frame, or the scheduled sub-frame may be a Time Division Duplex (TDD) Sub-frames in wireless frames, etc. In addition, the detection resource and the scheduled sub-frame may also belong to the same wireless frame, that is, step 202 may be to determine the detection resource in the wireless frame, and perform the determination in the scheduled sub-frame of the wireless frame. Upstream transmission.
另外，上述上行傳輸可以是指在進行LBT檢測成功存取上述通道後進行的上行傳輸。In addition, the above uplink transmission may refer to the uplink transmission performed after the LBT detection successfully accesses the channel.
作為一種可選的實施方式，步驟202可以包括：若該指示資訊指示該被調度子訊框沒有配置LBT資源，將該被調度子訊框的前一個子訊框的資源作為進行該LBT檢測的檢測資源。As an optional implementation, step 202 may include: if the indication information indicates that the scheduled sub-frame is not configured with LBT resources, use the resource of the previous sub-frame of the scheduled sub-frame as the LBT detection Detect resources.
其中，上述指示資訊可以是顯性式或者隱性式指示上述被調度子訊框沒有配置LBT資源。其中，顯性式可以理解為上述指示資訊明確指示上述被調度子訊框沒有配置LBT資源，隱性式可以理解為上述指示資訊隱含指示上述被調度子訊框沒有配置LBT資源，例如：上述指示資訊包括LBT資源配置欄位，但該欄位內部為0，該0可以表示0個符號作為上述LBT資源，即沒有配置LBT資源。另外，上述被調度子訊框的前一個子訊框可以是被調度子訊框所屬的無線訊框中被調度子訊框的前一個子訊框，對此本實施例不作限定。The indication information may be an explicit or implicit indication that the scheduled sub-frame is not configured with LBT resources. The explicit information can be understood as the indication information clearly indicates that the scheduled sub-frame is not configured with LBT resources, and the implicit information can be understood as the indication information implicitly indicates that the scheduled sub-frame is not configured with LBT resources. For example, the above The instruction information includes an LBT resource allocation field, but the field is internally 0, and the 0 may represent 0 symbols as the above LBT resources, that is, no LBT resources are configured. In addition, the previous sub-frame of the scheduled sub-frame may be the previous sub-frame of the scheduled sub-frame in the wireless frame to which the scheduled sub-frame belongs. In this embodiment,Not limited.
該實施方式中，由於可以實現將被調度子訊框的前一個子訊框的資源作為上述檢測資源，即步驟203可以是在被調度子訊框的前一個訊框的資源進行LBT檢測，以實現在被調度子訊框的邊界之前進行LBT檢測，以及在被調度子訊框的邊界開始上行傳輸，從而有效利用被調度子訊框的前一個訊框的資源，以避免前一個子訊框的資源浪費。In this embodiment, since the resource of the previous sub-frame of the scheduled sub-frame can be used as the detection resource, that is, step 203 can be performed by performing LBT detection on the resource of the previous sub-frame of the scheduled sub-frame. LBT detection is performed before the border of the scheduled sub-frame, and uplink transmission is started at the border of the scheduled sub-frame, thereby effectively using the resources of the previous frame of the scheduled sub-frame to avoid the previous sub-frame. Waste of resources.
可選的，該實施方式中，上述將該被調度子訊框的前一個子訊框的資源作為進行該LBT檢測的檢測資源的步驟，可以包括：將該被調度子訊框的前一個子訊框的SRS符號作為進行該LBT檢測的檢測資源。Optionally, in this embodiment, the step of using the resource of the previous sub-frame of the scheduled sub-frame as the detection resource for the LBT detection may include: the previous sub-frame of the scheduled sub-frame. The SRS symbol of the frame is used as a detection resource for performing the LBT detection.
該實施方式中，可以實現在前一個子訊框的SRS符號進行LBT檢測，這樣就可以在被調度子訊框的邊界開始上行傳輸。例如：如圖3所示，UE1和UE2可以在子訊框1的SRS符號進行LBT檢測，從而UE1和UE2在子訊框2的邊界開始上行傳輸，其中，附圖中以上行傳輸為上行資料進行舉例說明。In this implementation manner, LBT detection can be implemented on the SRS symbol of the previous subframe, so that uplink transmission can be started at the boundary of the scheduled subframe. For example, as shown in FIG. 3, UE1 and UE2 can perform LBT detection on the SRS symbols of subframe 1 so that UE1 and UE2 start uplink transmission at the boundary of subframe 2. Among them, the upper line in the drawing is uplink data. Give an example.
該實施方式中，可以實現在被調度子訊框的邊界開始上行傳輸，即不需要為被調度子訊框配置LBT資源，例如：不為被調度子訊框配置空閒通道評估時隙(CCA gap，Clear Channel Assessment gap)，由於CCA gap的開銷較大，這樣基地台就不需要為每個子訊框都預留CCA gap，以節約網路傳輸資源。另外，由於非授權頻段小小區(small cell)通道慢變，基地台沒有必要為每個SRS子訊框都配置SRS傳輸，因此，該實施方式採用對SRS符號時分多工的方式完成SRS傳輸與通道存取，不浪費傳輸資源。當然，該實施方式中，UE在前一個子訊框的SRS符號執行LBT檢測僅僅是UE根據基地台指示在被調度子訊框邊界之前執行LBT檢測的一個特例，不排除UE可在被調度子訊框邊界之前的多個SC-FDMA符號執行LBT檢測情形。In this embodiment, it is possible to start uplink transmission at the boundary of the scheduled sub-frame, that is, it is not necessary to configure LBT resources for the scheduled sub-frame. For example, no idle channel evaluation slot (CCA gap) is configured for the scheduled sub-frame. (Clear Channel Assessment gap). Due to the large overhead of the CCA gap, the base station does not need to reserve a CCA gap for each sub-frame to save network transmission resources. In addition, due to the slow change of small cell channels in the unlicensed band, it is not necessary for the base station to configure SRS transmission for each SRS sub-frame. Therefore, this embodiment adopts the method of time division multiplexing of SRS symbols to complete SRS transmission. And channel access without wasting transmission resources. Of course, theIn the implementation manner, the UE performing LBT detection on the SRS symbol of the previous sub-frame is only a special case of the UE performing LBT detection before the scheduled sub-frame boundary according to the instruction of the base station. It does not exclude that the UE may perform the LBT detection on the scheduled sub-frame boundary The previous multiple SC-FDMA symbols perform the LBT detection scenario.
另外，該實施方式中，上述LBT檢測可以是在被調度子訊框邊界之前的至少25us開始執行CCA，即上述SRS符號與被調度子訊框之間至少相隔25us，若CCA結果表示通道為空閒，則UE存取通道從被調度子訊框邊界處開始上行傳輸。或者上述LBT檢測可以是在空SRS符號的起始位置開始執行CCA檢測，隨機回退(back off)計數器開始執行倒計數，若在被調度子訊框邊界前通道檢測為空閒，且回退(back off)計數器倒計時為0，則UE存取通道從被調度子訊框邊界處上行傳輸，否則UE本次存取失敗，放棄發送上行資料。其中，上述LBT檢測方式可以是由基地台配置給UE的，當然在一些場景中不排除UE主動選擇LBT檢測的方式，對此作實施例不作限定。In addition, in this embodiment, the LBT detection may be performed at least 25us before the scheduled sub-frame boundary, that is, the SRS symbol and the scheduled sub-frame are separated by at least 25us. If the CCA result indicates that the channel is idle , The UE access channel starts uplink transmission from the border of the scheduled sub-frame. Alternatively, the above LBT detection may start CCA detection at the beginning of an empty SRS symbol, and a random back off counter starts counting down. If the channel is detected to be idle before the scheduled sub-frame boundary, and the rollback ( back off) When the counter counts down to 0, the UE access channel is transmitted upstream from the border of the scheduled sub-frame. Otherwise, the UE fails to access this time and gives up sending uplink data. The above-mentioned LBT detection method may be configured by the base station to the UE. Of course, in some scenarios, it is not excluded that the UE actively selects the LBT detection method, which is not limited in the embodiment.
另外，上述SRS符號可以是子訊框中的最後一個符號，或者SRS符號可以是子訊框其他的符號，對此本實施例不作限定。In addition, the above SRS symbol may be the last symbol in the sub frame, or the SRS symbol may be other symbols in the sub frame, which is not limited in this embodiment.
可選的，上述實施方式中，上述將該被調度子訊框的前一個子訊框的資源作為進行該LBT檢測的檢測資源的步驟，可以包括：將該被調度子訊框的前一個子訊框的空閒資源作為進行該LBT檢測的檢測資源。Optionally, in the foregoing embodiment, the step of using the resource of the previous sub-frame of the scheduled sub-frame as the detection resource for the LBT detection may include: the previous sub-frame of the scheduled sub-frame The idle resources of the frame are used as the detection resources for performing the LBT detection.
該實施方式中，可以實現在被調度子訊框的前一個子訊框的空閒資源作為上述檢測資源，例如：將前一個子訊框中空閒的符號作為上述檢測資源。該實施方式中，同樣可以實現在被調度子訊框的邊界開始上行傳輸，即不需要為被調度子訊框配置LBT資源。另外，該實施方式中LBT檢測的實施方式可以參考上面實施方式中介紹的LBT檢測，此處不作贅述。In this implementation manner, the idle resources in the previous sub-frame of the scheduled sub-frame can be implemented as the above-mentioned detection resources, for example, the symbols in the previous sub-frame are idle as the above-mentioned detection resources. In this embodiment, it can also be implemented at the beginning of the border of the scheduled sub-frame.Line transmission, that is, there is no need to configure LBT resources for the scheduled subframes. In addition, for the implementation of the LBT detection in this embodiment, reference may be made to the LBT detection introduced in the foregoing embodiment, and details are not described herein.
作為一種可選的實施方式中，上述根據該指示資訊確定進行LBT檢測的檢測資源，包括：若該指示資訊指示該被調度子訊框配置有LBT資源，將該被調度子訊框中配置的LBT資源作為進行該LBT操作的檢測資源。In an optional implementation manner, the above-mentioned determining the detection resource for performing LBT detection according to the instruction information includes: if the instruction information indicates that the scheduled sub-frame is configured with LBT resources, The LBT resource is used as a detection resource for performing the LBT operation.
該實施方式中，上述指示資訊可以是顯性式或者隱性式指示上述被調度子訊框配置有LBT資源。其中，顯性式可以理解為上述指示資訊明確指示上述被調度子訊框配置有LBT資源，隱性式可以理解為上述指示資訊隱含指示上述被調度子訊框配置有LBT資源，例如：上述指示資訊包括LBT資源配置欄位，但該欄位內部為1或2，該1或2可以表示1或2個符號作為上述LBT資源。In this embodiment, the indication information may be an explicit or implicit indication that the scheduled sub-frame is configured with an LBT resource. Wherein, the explicit form can be understood as the indication information clearly indicating that the scheduled sub-frame is configured with LBT resources, and the implicit form can be understood as the indication information implicitly indicates that the scheduled sub-frame is configured with LBT resources, for example, the above The instruction information includes an LBT resource configuration field, but the field is internally 1 or 2. The 1 or 2 may indicate 1 or 2 symbols as the above LBT resource.
該實施方式中，上述LBT資源可以是CCA gap，其中，該CCA gap可以是1-2個OFDM符號，具體大小需要基地台配置。其中，該實施方式中，步驟203可以是在上述CCA gap進行LBT檢測，以存取通道。例如：UE可以在被調度子訊框中用於上行傳輸的資源的邊界之前的至少25us處開始執行CCA，此時CCA起點與終點完全在用於上行傳輸的資源起點之前的一個符號範圍內，若CCA結果通道為空閒，UE存取通道使用不完整(partial)子訊框進行上行傳輸。其中，上述被調度子訊框中用於上行傳輸的資源可以理解為被調度子訊框的實體上行通道資源，例如：PUSCH資源。另外，上述LBT檢測還可以是UE從CCA gap的起始位置開始執行LBT檢測，執行回退(back off)計數器倒計時，若在被調度子訊框中用於上行傳輸的資源的邊界前通道檢測為空閒，且回退(back off)計數器倒計時為0，則UE存取通道進行上行傳輸，否則UE本次存取失敗，放棄發送上行資料。該實施方式可以實現在子訊框邊界之前的CCA gap內執行LBT檢測，以避免了SRS阻塞上行資料傳輸所造成的資源浪費。其中，上述LBT檢測方式可以是由基地台配置給UE的，當然在一些場景中不排除UE主動選擇LBT檢測的方式，對此作實施例不作限定。In this embodiment, the LBT resource may be a CCA gap, where the CCA gap may be 1-2 OFDM symbols, and the specific size needs to be configured by the base station. In this embodiment, step 203 may be performing LBT detection on the CCA gap to access the channel. For example, the UE may start performing CCA at least 25us before the boundary of the resources used for uplink transmission in the scheduled subframe. At this time, the CCA start point and end point are completely within a symbol range before the resource start point for uplink transmission. If the CCA result channel is idle, the UE access channel uses partial subframes for uplink transmission. The resources used for uplink transmission in the scheduled subframes can be understood as the physical uplink channel resources of the scheduled subframes, such as PUSCH resources. In addition, the above LBT detection may also be performed by the UE from the beginning of the CCA gap to perform the LBT detection, and the countdown of the back off counter is performed.The channel before the boundary is detected as idle and the back off counter counts down to 0, then the UE accesses the channel for uplink transmission, otherwise the UE fails to access this time and gives up sending uplink data. This implementation manner can implement LBT detection within the CCA gap before the border of the sub-frame, to avoid resource waste caused by SRS blocking uplink data transmission. The above-mentioned LBT detection method may be configured by the base station to the UE. Of course, in some scenarios, it is not excluded that the UE actively selects the LBT detection method, which is not limited in the embodiment.
另外，在一些場景中，如果上述指示資訊指示上述被調度子訊框配置有LBT資源，本實施例中並不排除，UE同樣也可以使用被調度子訊框的前一個訊框的資源作為進行LBT檢測的檢測資源，只是使用上述配置的LBT資源作為上述檢測資源的實施方式為優先的實施方式。以及在一些場景中，上述指示資訊還可以指示按預先協商的確定規則確定上述檢測資源，UE就可以使用該確定規則確定上述檢測資源。其中，該確定規則可以是UE與基地台預先協商好的，如確定規則可以是使用被調度子訊框的前一個子訊框的資源作為上述檢測資源，或者確定規則可以是使用被調度子訊框前的一個或者多個資源作為上述檢測資源。In addition, in some scenarios, if the indication information indicates that the scheduled sub-frame is configured with LBT resources, this embodiment is not excluded, and the UE can also use the resource of the previous frame of the scheduled sub-frame as the process. The detection resource for the LBT detection is only an implementation that uses the configured LBT resource as the detection resource as a preferred implementation. And in some scenarios, the above instruction information may also indicate that the detection resource is determined according to a pre-negotiated determination rule, and the UE may use the determination rule to determine the detection resource. The determination rule may be pre-negotiated by the UE and the base station. For example, the determination rule may use the resource of the previous sub-frame of the scheduled sub-frame as the detection resource, or the determination rule may use the scheduled sub-frame. One or more resources in front of the box are used as the detection resources.
可選的，該實施方式中，上述方法還可以包括如下步驟：接收該基地台發送的指示佔用SRS符號進行上行傳輸的信號；上述在被調度子訊框中使用該通道向該基地台進行上行傳輸的步驟，可以包括：根據該信號在被調度子訊框中包括SRS符號在內的資源中使用該通道向該基地台進行上行傳輸。Optionally, in this embodiment, the method may further include the following steps: receiving a signal sent by the base station indicating that the SRS symbol is occupied for uplink transmission; and using the channel in the scheduled subframe to perform uplink to the base station The step of transmitting may include: using the channel to perform uplink transmission to the base station in the resource including the SRS symbol in the scheduled subframe according to the signal.
實施方式中，可以實現使用子訊框的SRS符號進行上行傳輸，因為一些場景中SRS符號沒有調度SRS傳輸，從而使用該SRS符號進行上行傳輸，以避免浪費空SRS符號。另外，該實施方式中，在被調度子訊框的前一個子訊框沒有調度任何SRS傳輸時，UE還可以使用前一個子訊框的SRS符號進行上行傳輸，例如：如圖4所示，基地台在SRS子訊框沒有調度SRS符號傳輸SRS，基地台在被調度訊框預留的CCA gap用於LBT檢測通道存取，這樣通過上述信號可以指示UE1和UE2進行上行傳輸佔用SRS子訊框的SRS符號，從而SRS子訊框傳輸的是完整子訊框，而不是原標準13個符號不完整(partial)子訊框，其中，附圖中以上行傳輸為上行資料進行舉例說明。In the embodiment, uplink transmission using the SRS symbol of the sub-frame can be realized.Because SRS symbols are not scheduled for SRS transmission in some scenarios, the SRS symbols are used for uplink transmission to avoid wasting empty SRS symbols. In addition, in this embodiment, when no SRS transmission is scheduled in the previous subframe of the scheduled subframe, the UE may also use the SRS symbol of the previous subframe to perform uplink transmission. For example, as shown in FIG. 4, The base station does not schedule SRS symbols to transmit SRS in the SRS sub frame. The CCA gap reserved by the base station in the scheduled frame is used for LBT detection channel access. In this way, the above signals can be used to instruct UE1 and UE2 to perform uplink transmission to occupy SRS subs The SRS symbol of the frame, so that the SRS sub-frame transmits a complete sub-frame, instead of the original standard 13-part partial sub-frame. In the figure, the upper line transmission is uplink data for illustration.
同樣，該實施方式中，上述SRS符號可以是子訊框中的最後一個符號，或者SRS符號可以是子訊框其他的符號，對此本實施例不作限定。Similarly, in this implementation manner, the SRS symbol may be the last symbol in the sub frame, or the SRS symbol may be another symbol in the sub frame, which is not limited in this embodiment.
需要說明的是，上述介紹的多種可選的實施方式可以相互結合實現，以可以單獨實現，對此不作限定。It should be noted that the multiple optional implementations described above may be implemented in combination with each other so as to be implemented separately, which is not limited thereto.
需要說明的是，上述方法可以應用於非授權頻段LTE(即LTE-U或者U-LTE)，即上述通道可以是非授權頻段的通道。另外，上述方法可以應用於圖1所示的網路結構中的UE。It should be noted that the above method can be applied to an unlicensed frequency band LTE (ie, LTE-U or U-LTE), that is, the above channel can be a channel of an unlicensed frequency band. In addition, the above method can be applied to UEs in the network structure shown in FIG. 1.
本實施例，接收基地台發送的指示資訊，並根據該指示資訊確定進行LBT檢測的檢測資源，在該檢測資源進行該LBT檢測存取通道，並在被調度子訊框中使用該通道向該基地台進行上行傳輸。這樣可以實現根據在指示資訊確定的檢測資源進行LBT存取通道，從而可以避免出現無法存取通道的子訊框，以節約傳輸資源，進而解決了傳輸資源浪費的問題。In this embodiment, the instruction information sent by the base station is received, and a detection resource for performing LBT detection is determined according to the instruction information. The LBT detection access channel is performed on the detection resource, and the channel is used to send the message to the dispatched sub-frame. The base station performs uplink transmission. In this way, the LBT access channel can be implemented according to the detection resources determined in the instruction information, thereby avoiding the occurrence of sub-frames that cannot access the channel, thereby saving transmission resources, and thereby solving the problem of wasted transmission resources.
基於圖1所示的網路結構，本發明一些實施例提供另一種上行傳輸方法，如圖5所示，包括以下步驟：Based on the network structure shown in FIG. 1, some embodiments of the present invention provide anotherThe line transmission method, as shown in FIG. 5, includes the following steps:
501、向UE發送指示資訊，以使該UE根據該指示資訊確定進行LBT檢測的檢測資源，在該檢測資源進行該LBT檢測存取通道。501. Send instruction information to a UE, so that the UE determines a detection resource for performing LBT detection according to the instruction information, and performs the LBT detection access channel on the detection resource.
502、接收該UE在被調度子訊框中使用該通道進行的上行傳輸。502. Receive uplink transmission performed by the UE using the channel in a scheduled subframe.
其中，步驟501和502的實施方式可以參見圖2所示實施例中關於步驟201、202和203的實施方式，此處不再贅述。For the implementation of steps 501 and 502, reference may be made to the implementation of steps 201, 202, and 203 in the embodiment shown in FIG. 2, and details are not described herein again.
作為一種可選的實施方式，該指示資訊可以指示該被調度子訊框沒有配置LBT資源，以使該UE將該被調度子訊框的前一個子訊框的資源作為進行該LBT檢測的檢測資源。As an optional implementation manner, the indication information may indicate that the scheduled sub-frame is not configured with LBT resources, so that the UE uses the resource of the previous sub-frame of the scheduled sub-frame as a detection for performing the LBT detection. Resources.
可選的，該實施方式中，上述檢測資源可以為該被調度子訊框的前一個子訊框的SRS符號；或者上述檢測資源可以為該被調度子訊框的前一個子訊框的空閒資源。Optionally, in this embodiment, the detection resource may be an SRS symbol of a previous sub-frame of the scheduled sub-frame; or the detection resource may be an idleness of a previous sub-frame of the scheduled sub-frame. Resources.
其中，該實施方式可以參見圖2所示的實施例中關於指示資訊指示該被調度子訊框沒有配置LBT資源的實施方式，此處不再贅述。The implementation manner may refer to the implementation manner of the indication information indicating that the scheduled sub-frame is not configured with LBT resources in the embodiment shown in FIG. 2, and details are not described herein again.
作為一種可選的實施方式，上述指示資訊可以指示該被調度子訊框配置有LBT資源，以使該UE將該被調度子訊框中配置的LBT資源作為進行該LBT操作的檢測資源。As an optional implementation manner, the foregoing indication information may indicate that the scheduled subframe is configured with an LBT resource, so that the UE uses the LBT resource configured in the scheduled subframe as a detection resource for performing the LBT operation.
可選的，該實施方式中，上述方法還可以包括如下步驟：向該UE發送指示佔用SRS符號進行上行傳輸的信號；上述接收該UE在被調度子訊框中使用該通道進行的上行傳輸的步驟，可以包括：接收該UE根據該信號在被調度子訊框中包括SRS符號在內的資源中使用該通道進行的上行傳輸。Optionally, in this embodiment, the method may further include the following steps: sending a signal to the UE indicating that the SRS symbol is occupied for uplink transmission; and receiving the uplink transmission by the UE using the channel in the scheduled subframe. The step may include: receiving, by the UE, using resources in the scheduled sub-frame including the SRS symbol according to the signal.Uplink transmission using this channel.
其中，該實施方式可以參見圖2所示的實施例中關於指示資訊指示該被調度子訊框配置的LBT資源的實施方式，此處不再贅述。For this implementation manner, reference may be made to the implementation manner of the indication information indicating the LBT resource configured by the scheduled subframe in the embodiment shown in FIG. 2, and details are not described herein again.
需要說明的是，上述方法可以應用於非授權頻段LTE(即LTE-U或者U-LTE)，即上述通道可以是非授權頻段的通道。另外，上述方法可以應用於圖1所示的網路結構中的基地台。It should be noted that the above method can be applied to an unlicensed frequency band LTE (ie, LTE-U or U-LTE), that is, the above channel can be a channel of an unlicensed frequency band. In addition, the above method can be applied to a base station in the network structure shown in FIG. 1.
本實施例，向UE發送指示資訊，以使UE根據該指示資訊確定進行LBT檢測的檢測資源，在該檢測資源進行該LBT檢測存取通道，接收該UE在被調度子訊框中使用該通道進行的上行傳輸。這樣可以實現通過指示資訊使UE確定的檢測資源進行LBT存取通道，從而可以避免出現無法存取通道的子訊框，以節約傳輸資源，進而解決了傳輸資源浪費的問題。In this embodiment, instruction information is sent to the UE, so that the UE determines a detection resource for performing LBT detection according to the instruction information, performs the LBT detection access channel on the detection resource, and receives the UE to use the channel in the scheduled subframe. Upstream transmission. In this way, the detection information determined by the UE can be used to implement the LBT access channel through the instruction information, thereby avoiding the occurrence of sub-frames that cannot access the channel, thereby saving transmission resources, and thereby solving the problem of wasted transmission resources.
參見圖6，圖中示出一種UE的結構，該UE包括如下模組：第一接收模組61，用於接收基地台發送的指示資訊；確定模組62，用於根據該指示資訊確定進行LBT檢測的檢測資源；傳輸模組63，用於在該檢測資源進行該LBT檢測存取通道，並在被調度子訊框中使用該通道向該基地台進行上行傳輸。Referring to FIG. 6, a structure of a UE is shown. The UE includes the following modules: a first receiving module 61 configured to receive instruction information sent by a base station; and a determination module 62 configured to determine an operation based on the instruction information. Detection resources for LBT detection; a transmission module 63, configured to perform the LBT detection access channel on the detection resources, and use the channel to perform uplink transmission to the base station in the scheduled subframe.
作為一種可選的實施方式，該確定模組62可以用於若該指示資訊指示該被調度子訊框沒有配置LBT資源，將該被調度子訊框的前一個子訊框的資源作為進行該LBT檢測的檢測資源。As an optional implementation manner, the determining module 62 may be configured to: if the instruction information indicates that the scheduled sub-frame is not configured with LBT resources, use the resource of the previous sub-frame of the scheduled sub-frame as the Detection resources for LBT detection.
可選的，該實施方式中，確定模組62用於將該被調度子訊框的前一個子訊框的SRS符號作為進行該LBT檢測的檢測資源；或者確定模組62可以用於將該被調度子訊框的前一個子訊框的空閒資源作為進行該LBT檢測的檢測資源。Optionally, in this embodiment, the determination module 62 is configured to use the SRS symbol of the previous subframe of the scheduled subframe as the detection resource for performing the LBT detection; or the determination module 62 may be configured to use the The idle resource of the previous subframe of the scheduled subframe isDetection resources for performing this LBT detection.
作為一種可選的實施方式，確定模組62可以用於若該指示資訊指示該被調度子訊框配置有LBT資源，將該被調度子訊框中配置的LBT資源作為進行該LBT操作的檢測資源。As an optional implementation manner, the determining module 62 may be configured to, if the indication information indicates that the scheduled sub-frame is configured with an LBT resource, use the LBT resource configured in the scheduled sub-frame as a detection for performing the LBT operation. Resources.
可選的，該實施方式中，如圖7所示，該UE還可以包括：第二接收模組64，用於接收該基地台發送的指示佔用SRS符號進行上行傳輸的信號；該傳輸模組63可以用於根據該信號在被調度子訊框中包括SRS符號在內的資源中使用該通道向該基地台進行上行傳輸。Optionally, in this embodiment, as shown in FIG. 7, the UE may further include a second receiving module 64 for receiving a signal sent by the base station indicating that the SRS symbol is occupied for uplink transmission; the transmission module 63 may be used to perform uplink transmission to the base station using the channel in the resources including the SRS symbol in the scheduled subframe according to the signal.
本實施例中，上述UE可以是圖1-圖5所示的實施例中的UE，且圖1-圖5所示的實施例中，UE的任何實施方式都可以被本實施例中的UE所實現，這裡不再贅述。上述UE可以節約傳輸資源。In this embodiment, the UE may be the UE in the embodiment shown in FIG. 1 to FIG. 5, and in the embodiment shown in FIG. 1 to FIG. 5, any implementation manner of the UE may be used by the UE in this embodiment. The implementation is not repeated here. The above UE can save transmission resources.
參見圖8，圖中示出一種基地台的結構，該基地台包括如下模組：第一發送模組81，用於向UE發送指示資訊，以使該UE根據該指示資訊確定進行LBT檢測的檢測資源，在該檢測資源進行該LBT檢測存取通道。Referring to FIG. 8, a structure of a base station is shown. The base station includes the following modules: a first sending module 81 for sending instruction information to a UE, so that the UE determines the LBT detection based on the instruction information. Detection resource, and the LBT detection access channel is performed on the detection resource.
接收模組82，用於接收該UE在被調度子訊框中使用該通道進行的上行傳輸。The receiving module 82 is configured to receive uplink transmission performed by the UE using the channel in a scheduled subframe.
作為一種可選的實施方式，上述指示資訊可以指示該被調度子訊框沒有配置LBT資源，以使該UE將該被調度子訊框的前一個子訊框的資源作為進行該LBT檢測的檢測資源。As an optional implementation manner, the foregoing indication information may indicate that the scheduled sub-frame is not configured with LBT resources, so that the UE uses the resource of the previous sub-frame of the scheduled sub-frame as detection for performing the LBT detection. Resources.
可選的，該實施方式中，上述檢測資源可以為該被調度子訊框的前一個子訊框的SRS符號；或者上述檢測資源可以為該被調度子訊框的前一個子訊框的空閒資源。Optionally, in this implementation manner, the detection resource may be the scheduled subsupplier.The SRS symbol of the previous sub-frame of the frame; or the detection resource may be an idle resource of the previous sub-frame of the scheduled sub-frame.
作為一種可選的實施方式，上述指示資訊可以指示該被調度子訊框配置有LBT資源，以使該UE將該被調度子訊框中配置的LBT資源作為進行該LBT操作的檢測資源。As an optional implementation manner, the foregoing indication information may indicate that the scheduled subframe is configured with an LBT resource, so that the UE uses the LBT resource configured in the scheduled subframe as a detection resource for performing the LBT operation.
可選的，該實施方式，如圖9所示，上述基地台還可以包括：第二發送模組83，用於向該UE發送指示佔用SRS符號進行上行傳輸的信號；接收模組82可以用於接收該UE根據該信號在被調度子訊框中包括SRS符號在內的資源中使用該通道進行的上行傳輸。Optionally, in this embodiment, as shown in FIG. 9, the above base station may further include: a second sending module 83 configured to send a signal to the UE indicating that the SRS symbol is occupied for uplink transmission; the receiving module 82 may use For receiving the uplink transmission performed by the UE using the channel in the resources including the SRS symbol in the scheduled subframe according to the signal.
本實施例中，上述基地台可以是圖1-圖5所示的實施例中的基地台，且圖1-圖5所示的實施例中基地台的任何實施方式都可以被本實施例中的基地台所實現，這裡不再贅述。上述基地台可以節約傳輸資源。In this embodiment, the above base station may be the base station in the embodiment shown in FIG. 1 to FIG. 5, and any implementation manner of the base station in the embodiment shown in FIG. 1 to FIG. 5 may be used in this embodiment. The implementation of the base station is not repeated here. The above base stations can save transmission resources.
參見圖10，圖中示出一種UE的結構，該UE包括：處理器1000、收發機1010、記憶體1020、使用者介面1030和匯流排介面，其中：處理器1000，用於讀取記憶體1020中的程式，執行下列過程：通過收發機1010接收基地台發送的指示資訊；根據該指示資訊確定進行LBT檢測的檢測資源；在該檢測資源進行該LBT檢測存取通道，並在被調度子訊框中使用該通道向該基地台進行上行傳輸。Referring to FIG. 10, a structure of a UE is shown. The UE includes: a processor 1000, a transceiver 1010, a memory 1020, a user interface 1030, and a bus interface. The processor 1000 is used to read the memory. The program in 1020 executes the following processes: receiving the instruction information sent by the base station through the transceiver 1010; determining the detection resource for performing LBT detection according to the instruction information; performing the LBT detection access channel on the detection resource, and The channel is used for uplink transmission to the base station in the frame.
其中，收發機1010，用於在處理器1000的控制下接收和發送資料。The transceiver 1010 is configured to receive and send data under the control of the processor 1000.
在圖10中，匯流排架構可以包括任意數量的互聯的匯流排和橋接器，具體由處理器1000代表的一個或多個處理器和記憶體1020代表的記憶體的各種電路連結在一起。匯流排架構還可以將諸如週邊設備、穩壓器和功率管理電路等之類的各種其他電路連結在一起，這些都是本領域所公知的，因此，本文不再對其進行進一步描述。匯流排介面提供介面。收發機1010可以是多個元件，即包括發送機和接收機，提供用於在傳輸介質上與各種其他裝置通信的單元。針對不同的使用者設備，使用者介面1030還可以是能夠外接內接需要設備的介面，連接的設備包括但不限於小鍵盤、顯示器、揚聲器、麥克風、操縱桿等。In FIG. 10, the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 1000 and various circuits of the memory represented by the memory 1020 are connected together. The bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art, and therefore, they will not be further described herein. The bus interface provides an interface. The transceiver 1010 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium. For different user equipments, the user interface 1030 may also be an interface capable of externally connecting internally required devices. The connected devices include, but are not limited to, a keypad, a display, a speaker, a microphone, a joystick, and the like.
處理器1000負責管理匯流排架構和通常的處理，記憶體1020可以儲存處理器1000在執行操作時所使用的資料。The processor 1000 is responsible for managing the bus structure and general processing. The memory 1020 can store data used by the processor 1000 when performing operations.
作為一種可選的實施方式，處理器1000執行的上述根據該指示資訊確定進行LBT檢測的檢測資源，可以包括：若該指示資訊指示該被調度子訊框沒有配置LBT資源，將該被調度子訊框的前一個子訊框的資源作為進行該LBT檢測的檢測資源。As an optional implementation manner, the foregoing detection resource determined by the processor 1000 for performing LBT detection according to the instruction information may include: if the instruction information indicates that the scheduled sub-frame is not configured with an LBT resource, the scheduled sub-frame The resource of the previous sub-frame of the frame is used as the detection resource for performing the LBT detection.
可選的，該實施方式中，處理器1000執行的將該被調度子訊框的前一個子訊框的資源作為進行該LBT檢測的檢測資源，可以包括：將該被調度子訊框的前一個子訊框的探測參考信號SRS符號作為進行該LBT檢測的檢測資源；或者將該被調度子訊框的前一個子訊框的空閒資源作為進行該LBT檢測的檢測資源。Optionally, in this embodiment, the resource of the previous sub-frame of the scheduled sub-frame executed by the processor 1000 as the detection resource for performing the LBT detection may include: The SRS symbol of the sounding reference signal of one subframe is used as the detection resource for performing the LBT detection; or the idle resource of the previous subframe of the scheduled subframe is used as the detection resource for the LBT detection.
作為一種可選的實施方式，處理器1000執行的根據該指示資訊確定進行LBT檢測的檢測資源，可以包括：若該指示資訊指示該被調度子訊框配置有LBT資源，將該被調度子訊框中配置的LBT資源作為進行該LBT操作的檢測資源。As an optional implementation manner, the information executed by the processor 1000 according to the instructionThe determination of the detection resource for performing LBT detection may include: if the instruction information indicates that the scheduled sub-frame is configured with LBT resources, using the LBT resource configured in the scheduled sub-frame as a detection resource for performing the LBT operation.
可選的，該實施方式中，處理器1000還可以執行下列過程：接收該基地台發送的指示佔用SRS符號進行上行傳輸的信號；處理器1000執行的在被調度子訊框中使用該通道向該基地台進行上行傳輸，可以包括：根據該信號在被調度子訊框中包括SRS符號在內的資源中使用該通道向該基地台進行上行傳輸。Optionally, in this embodiment, the processor 1000 may further perform the following process: receiving a signal sent by the base station indicating that the SRS symbol is occupied for uplink transmission; using the channel in the scheduled subframe by the processor 1000 The base station performing uplink transmission may include: using the channel to perform uplink transmission to the base station according to the signal in resources including the SRS symbol in the scheduled subframe.
本實施例中，上述UE可以是圖1-圖5所示的實施例中的UE，且圖1-圖5所示的實施例中UE的任何實施方式都可以被本實施例中的UE所實現，這裡不再贅述。上述UE可以節約傳輸資源。In this embodiment, the UE may be the UE in the embodiment shown in FIG. 1 to FIG. 5, and any implementation manner of the UE in the embodiment shown in FIG. 1 to FIG. 5 may be used by the UE in this embodiment. Implementation, no longer repeat them here. The above UE can save transmission resources.
參見圖11，圖中示出一種基地台的結構，該基地台包括：處理器1100、收發機1110、記憶體1120、使用者介面1130和匯流排介面，其中：處理器1100，用於讀取記憶體1120中的程式，執行下列過程：通過收發機1110向UE發送指示資訊，以使該UE根據該指示資訊確定進行LBT檢測的檢測資源，在該檢測資源進行該LBT檢測存取通道；通過收發機1110接收該UE在被調度子訊框中使用該通道進行的上行傳輸。Referring to FIG. 11, a structure of a base station is shown. The base station includes: a processor 1100, a transceiver 1110, a memory 1120, a user interface 1130, and a bus interface. The processor 1100 is used for reading. The program in the memory 1120 executes the following process: sending instruction information to the UE through the transceiver 1110, so that the UE determines a detection resource for performing LBT detection according to the instruction information, and performs the LBT detection access channel on the detection resource; The transceiver 1110 receives uplink transmission performed by the UE using the channel in the scheduled subframe.
收發機1110，用於在處理器1100的控制下接收和發送資料。The transceiver 1110 is configured to receive and send data under the control of the processor 1100.
其中，在圖11中，匯流排架構可以包括任意數量的互聯的匯流排和橋接器，具體由處理器1100代表的一個或多個處理器和記憶體1120代表的記憶體的各種電路連結在一起。匯流排架構還可以將諸如週邊設備、穩壓器和功率管理電路等之類的各種其他電路連結在一起，這些都是本領域所公知的，因此，本文不再對其進行進一步描述。匯流排介面提供介面。收發機1110可以是多個元件，即包括發送機和收發機，提供用於在傳輸介質上與各種其他裝置通信的單元。處理器1100負責管理匯流排架構和通常的處理，記憶體1120可以儲存處理器1100在執行操作時所使用的資料。Among them, in FIG. 11, the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors and memory 1120 represented by the processor 1100.The various circuits represented by the memory are linked together. The bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art, and therefore, they will not be further described herein. The bus interface provides an interface. The transceiver 1110 may be a plurality of elements, including a transmitter and a transceiver, providing a unit for communicating with various other devices on a transmission medium. The processor 1100 is responsible for managing the bus structure and general processing. The memory 1120 can store data used by the processor 1100 when performing operations.
處理器1100負責管理匯流排架構和通常的處理，記憶體1120可以儲存處理器1100在執行操作時所使用的資料。The processor 1100 is responsible for managing the bus structure and general processing. The memory 1120 can store data used by the processor 1100 when performing operations.
作為一種可選的實施方式，上述指示資訊可以指示該被調度子訊框沒有配置LBT資源，以使該UE將該被調度子訊框的前一個子訊框的資源作為進行該LBT檢測的檢測資源。As an optional implementation manner, the foregoing indication information may indicate that the scheduled sub-frame is not configured with LBT resources, so that the UE uses the resource of the previous sub-frame of the scheduled sub-frame as detection for performing the LBT detection. Resources.
可選的，該實施方式中，上述檢測資源可以為該被調度子訊框的前一個子訊框的SRS符號；或者上述檢測資源可以為該被調度子訊框的前一個子訊框的空閒資源。Optionally, in this embodiment, the detection resource may be an SRS symbol of a previous sub-frame of the scheduled sub-frame; or the detection resource may be an idleness of a previous sub-frame of the scheduled sub-frame. Resources.
作為一種可選的實施方式，上述指示資訊可以指示該被調度子訊框配置有LBT資源，以使該UE將該被調度子訊框中配置的LBT資源作為進行該LBT操作的檢測資源。As an optional implementation manner, the foregoing indication information may indicate that the scheduled subframe is configured with an LBT resource, so that the UE uses the LBT resource configured in the scheduled subframe as a detection resource for performing the LBT operation.
可選的，該實施方式中，處理器1100還可以執行下列過程：向該UE發送指示佔用SRS符號進行上行傳輸的信號；處理器1100執行的通過收發機1110接收該UE在被調度子訊框中使用該通道進行的上行傳輸，包括：通過收發機1110接收該UE根據該信號在被調度子訊框中包括SRS符號在內的資源中使用該通道進行的上行傳輸。Optionally, in this embodiment, the processor 1100 may further perform the following process: sending a signal indicating that the SRS symbol is occupied for uplink transmission to the UE; and the processor 1100 receives the scheduled subframe of the UE through the transceiver 1110 Uplink transmission using this channel in:The transceiver 1110 receives the uplink transmission performed by the UE using the channel in the resources including the SRS symbol in the scheduled subframe according to the signal.
本實施例中，上述基地台可以是圖1-圖5所示的實施例中的基地台，且圖1-圖5所示的實施例中基地台的任何實施方式都可以被本實施例中的基地台所實現，這裡不再贅述。上述基地台可以節約傳輸資源。In this embodiment, the above base station may be the base station in the embodiment shown in FIG. 1 to FIG. 5, and any implementation manner of the base station in the embodiment shown in FIG. 1 to FIG. 5 may be used in this embodiment. The implementation of the base station is not repeated here. The above base stations can save transmission resources.
參見圖12，圖中示出一種上行傳輸系統的結構，該系統包括：基地台121，用於向UE122發送指示資訊；UE122，用於接收基地台發送的指示資訊；UE122還用於根據該指示資訊確定進行LBT檢測的檢測資源；UE122還用於在該檢測資源進行該LBT檢測存取通道，並在被調度子訊框中使用該通道向該基地台進行上行傳輸；基地台121還用於接收UE122在該被調度子訊框中使用該通道進行的上行傳輸。Referring to FIG. 12, a structure of an uplink transmission system is shown. The system includes: a base station 121 for sending instruction information to the UE 122; a UE 122 for receiving instruction information sent by the base station; The information determines the detection resource for LBT detection; UE122 is also used to perform the LBT detection access channel on the detection resource, and use the channel in the scheduled subframe to perform uplink transmission to the base station; base station 121 is also used The receiving UE 122 uses the channel for uplink transmission in the scheduled subframe.
本實施例中，基地台121和UE122可以是圖1-圖11所示實施例中介紹的基地台和UE，其實施方式都可以參見圖1-圖11所示的實施方式，也能達到相同的技術效果，在此不再贅述。In this embodiment, the base station 121 and the UE 122 may be the base station and the UE described in the embodiments shown in FIG. 1 to FIG. 11. For implementation manners, refer to the embodiments shown in FIGS. The technical effects are not repeated here.
在本申請所提供的幾個實施例中，應該理解到，所揭露方法和裝置，可以通過其它的方式實現。例如，以上所描述的裝置實施例僅僅是示意性的，例如，該單元的劃分，僅僅為一種邏輯功能劃分，實際實現時可以有另外的劃分方式，例如多個單元或元件可以結合或者可以集成到另一個系統，或一些特徵可以忽略，或不執行。另一點，所顯示或討論的相互之間的耦合或直接耦合或通信連接可以是通過一些介面，裝置或單元的間接耦合或通信連接，可以是電性，機械或其它的形式。In the several embodiments provided in this application, it should be understood that the disclosed methods and devices may be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner. For example, multiple units or elements may be combined or integrated. To another system, or some features can be ignored or not implemented. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, devices or units.The indirect coupling or communication connection may be electrical, mechanical or other forms.
另外，在本發明各個實施例中的各功能單元可以整合在一個處理單元中，也可以是各個單元單獨物理包括，也可以兩個或兩個以上單元整合在一個單元中。上述整合的單元既可以採用硬體的形式實現，也可以採用硬體加軟體功能單元的形式實現。In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may be separately physically included, or two or more units may be integrated into one unit. The integrated unit can be implemented in the form of hardware, or in the form of hardware plus software functional units.
上述以軟體功能單元的形式實現的集成的單元，可以儲存在一個電腦可讀取儲存介質中。上述軟體功能單元儲存在一個儲存介質中，包括若干指令用以使得一台電腦設備(可以是個人電腦，伺服器，或者網路設備等)執行本發明各個實施例所述收發方法的部分步驟。而前述的儲存介質包括：USB硬碟、移動硬碟、唯讀記憶體(Read-Only Memory，簡稱ROM)、隨機存取記憶體(Random Access Memory，簡稱RAM)、磁碟或者光碟等各種可以儲存程式碼的介質。The integrated unit implemented in the form of a software functional unit may be stored in a computer-readable storage medium. The software functional unit is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform some steps of the transmitting and receiving method according to the embodiments of the present invention. The aforementioned storage media include: USB hard disks, removable hard disks, Read-Only Memory (ROM), Random Access Memory (RAM), magnetic disks, or optical disks. The medium on which the code is stored.
以上所述是本發明的優選實施方式，應當指出，對於本技術領域的普通技術人員來說，在不脫離本發明所述原理的前提下，還可以作出若干改進和潤飾，這些改進和潤飾也應視為本發明的保護範圍。The above is the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principles described in the present invention, several improvements and retouching can be made. These improvements and retouching also It should be regarded as the protection scope of the present invention.
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