CN100442915C - Scheduling Method for High Speed Data Transmission in Mobile Communication System - Google Patents

Abstract

The present invention relates to mobile communication technology and discloses a scheduling method for high-speed data transmission in a mobile communication system so that the upstream and downstream combined scheduling is realized. In the present invention, upstream and downstream associated information is comprehensively utilized, such as user transmission rate information during upstream scheduling, upstream load information, CQI information during downstream scheduling, user transmission rates, downstream code resources, power resources, etc. The upstream and downstream integrative scheduling is executed, and the scheduling is realized by the united use of identical resources; upstream and downstream transmission rates are synchronously adjusted.

Description

Translated fromChinese

移动通信系统中高速数据传输的调度方法Scheduling Method for High Speed Data Transmission in Mobile Communication System

技术领域technical field

本发明涉及移动通信技术，特别涉及第三代移动通信(The ThirdGeneration，简称“3G”)演进技术中的高速数据传输技术。The present invention relates to mobile communication technology, in particular to the high-speed data transmission technology in the third generation mobile communication (The Third Generation, referred to as "3G") evolution technology.

背景技术Background technique

第三代合作伙伴项目(3rd Generation Partnership Project，简称“3GPP”)作为移动通信领域的重要组织推动了3G技术的标准化工作，其早期的协议版本中上行和下行业务的承载都是基于专用信道，其中，R99版(Release 99，简称“R99”)中上行和下行能够达到的数据传输速率均为384千比特每秒(Kbps)。The 3rd Generation Partnership Project (3rd Generation Partnership Project, referred to as "3GPP"), as an important organization in the field of mobile communications, has promoted the standardization of 3G technology. In its early protocol versions, the bearer of uplink and downlink services is based on dedicated channels. Among them, in the R99 version (Release 99, referred to as "R99"), the data transmission rate that can be achieved in the uplink and downlink is both 384 kilobits per second (Kbps).

随着移动通信技术的发展，3G技术也在不断的发展演进。许多对流量和迟延要求较高的数据业务如视频、流媒体和下载等需要系统提供更高的传输速率和更短的时延，高速下行分组接入(High Speed Downlink Packet Access，简称“HSDPA”)和高速上行分组接入(High Speed Uplink Packet Access，简称“HSUPA”)就是3G技术的重要演进。不同于R99版本中数据包的调度和重传由无线网络控制器(Radio Network Controller，简称“RNC”)控制，HSDPA和HSUPA中数据包的调度和重传等由基站控制，这种更快速的控制可以更好的适应信道变化、减小传输时延、增加数据吞吐量。HSDPA和HSUPA分别能够提供高达14.4兆比特每秒(Mbps)和5.76Mbps的峰值速率，频谱利用率也得到很大的提高。With the development of mobile communication technology, 3G technology is also constantly evolving. Many data services that require high traffic and delay, such as video, streaming media, and downloads, require the system to provide higher transmission rates and shorter delays. High Speed Downlink Packet Access (HSDPA) ) and High Speed Uplink Packet Access (HSUPA for short) are important evolutions of 3G technology. Different from the scheduling and retransmission of data packets in the R99 version, which is controlled by the Radio Network Controller ("RNC"), the scheduling and retransmission of data packets in HSDPA and HSUPA are controlled by the base station. This faster Control can better adapt to channel changes, reduce transmission delay, and increase data throughput. HSDPA and HSUPA can provide peak rates up to 14.4 megabits per second (Mbps) and 5.76Mbps respectively, and the spectrum utilization rate has also been greatly improved.

HSDPA作为下行高速数据包接入技术在2002年被引入到3GPP第5版(Release 5，简称“R5”)的版本中。HSDPA采用更短的传输时间间隔(Transmission Timing Interval，简称“TTI”)和帧长(2ms或10ms)以实现快速自适应控制，在物理层使用自适应的编码和调制(Adaptive Modulationand Coding，简称“AMC”)和混合自动重传请求(Hybrid Auto Repeat reQuest，简称“HARQ”)，引入16阶正交调幅(Quadrature Amplitude Modulation，简称“QAM”)调制提高频谱利用率。HSDPA中，HARQ技术采用多进程，使用停等协议(Stop And Wait，简称“SAW”)，用户设备(User Equipment，简称“UE”)接收数据后反馈指示数据是否正确接收的ACK/NACK指示，以便基站(NodeB)决定重传或发送新数据。AMC技术要求UE反馈测量得到的下行的信道质量指示(Channel Quality Indicator，简称“CQI”)，以便NodeB决定下行HSDPA数据的编码速率和传输格式。As a downlink high-speed data packet access technology, HSDPA was introduced into the 3GPP Release 5 (Release 5, "R5" for short) version in 2002. HSDPA adopts shorter Transmission Timing Interval (Transmission Timing Interval, referred to as "TTI") and frame length (2ms or 10ms) to achieve fast adaptive control, and uses adaptive coding and modulation (Adaptive Modulation and Coding, referred to as " AMC") and Hybrid Auto Repeat reQuest (HARQ for short), introduce 16-order quadrature amplitude modulation (Quadrature Amplitude Modulation, "QAM" for short) modulation to improve spectrum utilization. In HSDPA, the HARQ technology adopts multi-process, uses the Stop And Wait protocol (Stop And Wait, referred to as "SAW"), and the user equipment (User Equipment, referred to as "UE") feeds back the ACK/NACK indication indicating whether the data is received correctly after receiving the data. So that the base station (NodeB) decides to retransmit or send new data. The AMC technology requires the UE to feed back the measured downlink Channel Quality Indicator (CQI) so that the NodeB can determine the coding rate and transmission format of the downlink HSDPA data.

为了实现用户下行数据的高速传输，HSDPA新增了两个下行物理信道和一个上行物理信道，它们分别是用于承载用户数据的下行的高速物理下行共享信道(High Speed Physical Downlink Control Channel，简称“HS-PDSCH”)、用于承载解调伴随数据信道HS-PDSCH所需的信令的下行的高速共享控制信道(High Speed Shared Control Channel，简称“HS-SCCH)”，以及用于承载UE的ACK/NACK和CQI等反馈信息的上行的专用物理控制信道(High Speed Dedicated Physical Control Channel，简称“HS-DPCCH”)。基站通过HS-DPCCH获知数据是否被正确接收，如果不正确，将发起重传，否则发送新数据。In order to realize the high-speed transmission of user downlink data, HSDPA adds two downlink physical channels and one uplink physical channel, which are high-speed physical downlink shared channels (High Speed Physical Downlink Control Channel, referred to as " HS-PDSCH"), a downlink high-speed shared control channel (High Speed Shared Control Channel, referred to as "HS-SCCH)" used to carry the signaling required to demodulate the accompanying data channel HS-PDSCH, and used to carry the UE's Uplink dedicated physical control channel (High Speed Dedicated Physical Control Channel, referred to as "HS-DPCCH") for feedback information such as ACK/NACK and CQI. The base station knows whether the data is received correctly through the HS-DPCCH, if not, it will initiate a retransmission, otherwise it will send new data.

HSDPA中，可以使用的下行的码资源和功率资源是多个用户共享的，基站需要针对下行码资源和功率资源进行调度，以实现在动态复杂的无线环境下使多用户更有效地使用无线资源，提高整个扇区的吞吐量。在实施HSDPA分组调度时，调度算法会根据事先掌握的信息，如每个TTI内可用的码资源和功率资源、UE上报的无线信道质量CQI、ACK/NACK以及将要传送数据块的优先级等，在多用户中实施快速调度和无线资源的最优使用，提高频谱的使用效率。In HSDPA, the available downlink code resources and power resources are shared by multiple users. The base station needs to schedule the downlink code resources and power resources to enable multiple users to use wireless resources more effectively in a dynamic and complex wireless environment. , to increase the throughput of the entire sector. When implementing HSDPA packet scheduling, the scheduling algorithm will be based on the information obtained in advance, such as the available code resources and power resources in each TTI, the wireless channel quality CQI reported by the UE, ACK/NACK, and the priority of the data block to be transmitted, etc. Implement fast scheduling and optimal use of wireless resources among multiple users, and improve spectrum utilization efficiency.

HSDPA将优化网络以减少每比特的费用。对运营商来说，引进HSDPA将可以增加网络承载数据服务的容量、增强频谱效率、提高硬件资源的利用率、提高网络建设的有效性；对普通用户来说，HSDPA意味着更高的数据传输速率、更短的服务反应时间和更可靠的服务。HSDPA will optimize the network to reduce the cost per bit. For operators, the introduction of HSDPA will increase the capacity of the network to carry data services, enhance spectrum efficiency, improve the utilization of hardware resources, and improve the effectiveness of network construction; for ordinary users, HSDPA means higher data transmission speed, shorter service response times and more reliable service.

HSUPA作为高速上行数据包接入技术，在2004年引入到了3GPP第6版(Release 6，简称“R6”)的版本中。类似于HSDPA，HSUPA采用更短的TTI和帧长(2ms或10ms)以实现快速自适应控制，使用HARQ和基于基站的快速上行调度技术，提高了上行的频谱效率。As a high-speed uplink data packet access technology, HSUPA was introduced into 3GPP Release 6 (Release 6, "R6" for short) in 2004. Similar to HSDPA, HSUPA adopts shorter TTI and frame length (2ms or 10ms) to achieve fast adaptive control, and uses HARQ and base station-based fast uplink scheduling technology to improve uplink spectral efficiency.

为了实现用户上行数据的高效率传输，HSUPA新增加了两个上行物理信道和三个下行物理信道，它们分别是用于承载用户数据的上行增强专用数据传输信道(Enhanced-DCH Dedicated Physical Data Channel，简称“E-DPDCH”)、用于传输伴随物理层信令，为E-DPDCH解调提供伴随信令的上行增强专用控制信道(Enhanced-DCH Dedicated Physical ControlChannel，简称“E-DPCCH”)，用于控制用户的上行传输速率的绝对授权信道(Enhanced-DCH Absolute Grant Channel，简称“E-AGCH”)和相对授权信道(Enhanced-DCH Relative Grand Channel，简称“E-RGCH”)，以及用于指示上行进程数据传输是否正确的重传指示信道(E-DCH Hybrid ARQIndicator Channel，简称“E-HICH”)。其中，E-AGCH只在服务无线连接小区存在，用于指示用户上行可以传输的最大传输速率，调节的频率比较低；E-RGCH在服务无线连接和非服务无线连接小区都可以存在，用于指示用户按一定步长调整上行传输速率，调整的频率比较高，最高可达每TTI一次。HSUPA中，用户通过E-HICH获知数据是否被正确接收，如果不正确，将发起重传，否则发送新数据。In order to achieve high-efficiency transmission of user uplink data, HSUPA has newly added two uplink physical channels and three downlink physical channels, which are the uplink Enhanced-DCH Dedicated Physical Data Transmission Channel (Enhanced-DCH Dedicated Physical Data Channel, "E-DPDCH" for short), used to transmit physical layer signaling, and provide an uplink Enhanced Dedicated Control Channel (Enhanced-DCH Dedicated Physical Control Channel, "E-DPCCH" for short) accompanying signaling for E-DPDCH demodulation. The Absolute Grant Channel (Enhanced-DCH Absolute Grant Channel, referred to as "E-AGCH") and the Relative Grant Channel (Enhanced-DCH Relative Grand Channel, referred to as "E-RGCH") are used to control the user's uplink transmission rate, and are used to indicate The retransmission indicator channel (E-DCH Hybrid ARQIndicator Channel, referred to as "E-HICH") of whether the uplink process data transmission is correct. Among them, the E-AGCH only exists in the serving wireless connection cell, and is used to indicate the maximum transmission rate that the user can transmit uplink, and the adjusted frequency is relatively low; the E-RGCH can exist in both the serving wireless connection and the non-serving wireless connection cell, and is used for Instruct the user to adjust the uplink transmission rate according to a certain step size, and the adjustment frequency is relatively high, up to once per TTI. In HSUPA, the user knows whether the data is received correctly through E-HICH, if not, it will initiate retransmission, otherwise send new data.

和HSDPA不同的是，HSUPA中，用户上行码资源和功率资源是每个用户独享的，基站不需要针对上行码资源和功率资源进行调度。但是HSUPA中上行各个用户统一的传输速率会在基站接收端产生对应的干扰，基站在允许的干扰范围内可以保障用户的解调性能，但是干扰超过设定的范围，就可能使得某些用户的解调性能无法保障，因此HSUPA基站调度的基本原则是控制和允许用户在基站接收端带来的干扰水平。基站上行快速调度根据当前小区的干扰水平与设定门限，确定用户上行允许的传输数据速率，并在干扰水平过高时能够快速的下调用户上行的数据传输速率，使得上行干扰在设定的目标范围内。Different from HSDPA, in HSUPA, user uplink code resources and power resources are exclusively shared by each user, and the base station does not need to schedule uplink code resources and power resources. However, the uniform transmission rate of each uplink user in HSUPA will cause corresponding interference at the receiving end of the base station. The base station can guarantee the demodulation performance of the user within the allowed interference range, but if the interference exceeds the set range, some users may The demodulation performance cannot be guaranteed, so the basic principle of HSUPA base station scheduling is to control and allow the interference level caused by users at the receiving end of the base station. Base station uplink fast scheduling determines the user's uplink transmission data rate according to the current cell interference level and the set threshold, and can quickly lower the user's uplink data transmission rate when the interference level is too high, so that the uplink interference is within the set target within range.

HSDPA和HSUPA技术将以低成本提供高性能的服务，为实现真正大规模的市场化应用的移动网际互连协议(Internet Protocol，简称“IP”)多媒体提供了可能。由于VoIP是IMS和全IP网的主要驱动，也是固定和无线二网合一的关键，因此对于移动未来的发展至关重要，基于HSDPA/HSUPA的分组语音(Voice over IP，简称“VoIP”)无疑是将来最有发展潜力的解决方案，在HSDPA/HSUPA这样高带宽情况下，VoIP可以提供比电路交换更高的容量。HSDPA and HSUPA technologies will provide high-performance services at low cost, making it possible to realize mobile Internet Protocol (Internet Protocol, "IP") multimedia for real large-scale market applications. Since VoIP is the main driver of IMS and all-IP networks, and is also the key to the integration of fixed and wireless networks, it is very important for the future development of mobile. Voice over IP based on HSDPA/HSUPA (Voice over IP, referred to as "VoIP") It is undoubtedly the solution with the most development potential in the future. In the case of high bandwidth such as HSDPA/HSUPA, VoIP can provide higher capacity than circuit switching.

在网络同时支持HSDPA和HSUPA时，既需要考虑上行的基站快速调度，也需要考虑下行的基站快速调度，如何实现上行和下行统一的调度就是需要解决的一个问题。When the network supports HSDPA and HSUPA at the same time, it is necessary to consider not only the fast scheduling of the uplink base station, but also the fast scheduling of the downlink base station. How to realize the unified scheduling of the uplink and downlink is a problem that needs to be solved.

现有技术方案中，基站分别独立地进行上行和下行的快速调度。In the prior art solution, the base station performs uplink and downlink fast scheduling independently.

下行的HSDPA的基站快速调度算法根据用户下行数据缓存队列优先级、容量、发送数据等待时间长度、CQI等信息对下行用户进行优先级用户排队，优先级高的用户才会被调度发送下行数据，被调度的用户将会被分配下行码资源和功率资源，并确定用户数据格式。HSDPA的基站调度算法只考虑下行资源的分配和使用，没有考虑上行业务状况。The downlink HSDPA base station fast scheduling algorithm queues downlink users according to the user's downlink data buffer queue priority, capacity, waiting time for sending data, CQI and other information, and users with high priority will be scheduled to send downlink data. The scheduled users will be allocated downlink code resources and power resources, and the user data format will be determined. The base station scheduling algorithm of HSDPA only considers the allocation and use of downlink resources, and does not consider the uplink business conditions.

上行的HSUPA的基站快速调度算法根据当前接收的带宽内总功率，确定上行干扰水平，并和设定的目标接收带宽内总功率进行比较，根据剩下的余量判定上行用户允许增加的干扰水平。基站根据用户的上行速率请求，是否满意的指示信息以及数据重传次数等信息，确定调整的用户和上行数据传输速率，并预测调整后的传输速率给基站接收端增加的干扰水平，使得上行快速调度后，基站小区接收的总上行干扰水平在设定的目标值以下。HSUPA的基站调度算法只考虑上行干扰水平，没有考虑用户下行业务状况。The uplink HSUPA base station fast scheduling algorithm determines the uplink interference level according to the total power in the current received bandwidth, compares it with the total power in the set target receiving bandwidth, and determines the allowed increase of interference level for uplink users according to the remaining margin . The base station determines the adjusted user and uplink data transmission rate according to the user's uplink rate request, indication information on whether it is satisfactory, and the number of data retransmission times, and predicts the interference level that the adjusted transmission rate will add to the base station's receiving end, making the uplink fast After scheduling, the total uplink interference level received by the cell of the base station is below the set target value. The base station scheduling algorithm of HSUPA only considers the uplink interference level, and does not consider the user's downlink business status.

在实际应用中，上述方案存在以下问题：现有技术方案会造成资源浪费、并且不利于保障用户的传输速率、无法保证用户的服务质量(Quality ofService，简称“QoS”)、在用户业务同时使用HSDPA和HSUPA时，尤其是在小区支持用户数规格很大的情况下，这些问题更加严重。In practical application, the above scheme has the following problems: the existing technical scheme will cause waste of resources, and is not conducive to guaranteeing the user's transmission rate, cannot guarantee the user's quality of service (Quality of Service, referred to as "QoS"), and simultaneously uses For HSDPA and HSUPA, these problems are more serious especially when the number of users supported by the cell is very large.

造成这种情况的主要原因在于，现有技术方案独立地进行上行和下行的调度，没有综合考虑上行和下行的业务状况，可能会造成用户的上行和下行数据传输速率不匹配，无法保证用户的QoS。同时，由于没有综合利用上行和下行的调度信息以优化数据传输，无法更好保证用户的传输速率，并且对于同一用户分别进行上行和下行的快速调度增加了调度资源的消耗，造成系统资源的浪费，尤其是在小区支持用户数规格很大，多小区用户调度等处理对资源要求比较高时，如果上行和下行的基站快速调度独立进行，会导致资源比较大的浪费，无法充分利用时延小和数据传输速率更高等方面带来的好处。The main reason for this situation is that the existing technical solutions independently perform uplink and downlink scheduling, without comprehensive consideration of uplink and downlink service conditions, which may cause a mismatch between the user's uplink and downlink data transmission rates, and cannot guarantee the user's QoS. At the same time, since the uplink and downlink scheduling information is not comprehensively used to optimize data transmission, the user's transmission rate cannot be better guaranteed, and the fast scheduling of uplink and downlink for the same user increases the consumption of scheduling resources, resulting in a waste of system resources , especially when the number of users supported by the cell is large, and the resource requirements for multi-cell user scheduling are relatively high, if the fast scheduling of the uplink and downlink base stations is performed independently, it will cause a relatively large waste of resources and cannot make full use of the small delay. and the benefits of higher data transfer rates.

发明内容Contents of the invention

有鉴于此，本发明的主要目的在于提供一种移动通信系统中高速数据传输的调度方法，使得上行和下行的联合调度得以实现。In view of this, the main purpose of the present invention is to provide a scheduling method for high-speed data transmission in a mobile communication system, so that joint scheduling of uplink and downlink can be realized.

为实现上述目的，本发明提供了一种移动通信系统中高速数据传输的调度方法，包含以下步骤：To achieve the above object, the invention provides a scheduling method for high-speed data transmission in a mobile communication system, comprising the following steps:

A对使用高速数据传输的用户进行优先级排队；A prioritizes queuing for users using high-speed data transmission;

B根据所述用户当前的信道质量和上行负载决定该用户下行高速数据传输的传输速率，根据所述用户当前的信道质量、上行负载和调度请求决定该用户上行高速数据传输的传输速率；B determines the transmission rate of the user's downlink high-speed data transmission according to the user's current channel quality and uplink load, and determines the user's uplink high-speed data transmission transmission rate according to the user's current channel quality, uplink load and scheduling request;

C根据用户的优先级排队，依次为用户分配上行高速数据传输资源和下行高速数据传输资源，包括：根据步骤B所决定的上行高速数据传输的传输速率，为所述用户上行链路分配上行高速数据传输资源，根据步骤B所决定的下行高速数据传输的传输速率，为所述用户下行链路分配下行高速数据传输资源。C queues up according to the user's priority, and sequentially allocates uplink high-speed data transmission resources and downlink high-speed data transmission resources to users, including: according to the transmission rate of uplink high-speed data transmission determined in step B, allocates uplink high-speed data transmission resources for the user's uplink The data transmission resource is to allocate the downlink high-speed data transmission resource for the downlink of the user according to the transmission rate of the downlink high-speed data transmission determined in step B.

其中，在所述步骤C之前，还包含以下步骤：Wherein, before the step C, the following steps are also included:

如果所述上行高速数据传输或所述下行高速数据传输的传输速率改变，则同步调整对应用户的所述下行高速数据传输或所述上行高速数据传输的传输速率。If the transmission rate of the uplink high-speed data transmission or the downlink high-speed data transmission changes, synchronously adjust the downlink high-speed data transmission or the uplink high-speed data transmission transmission rate of the corresponding user.

此外在所述方法中，所述步骤A中，所述用户包括时延敏感业务用户和时延不敏感业务用户。In addition, in the method, in the step A, the users include delay-sensitive service users and delay-insensitive service users.

此外在所述方法中，对所述时延不敏感业务用户进行所述优先级排队时，优先级从高到低依次为：同时存在上下行高速数据传输业务的用户、仅存在下行高速数据传输业务的用户和仅存在上行高速数据传输业务的用户。In addition, in the method, when performing the priority queuing for the time-delay-insensitive service users, the priority from high to low is as follows: users who have both uplink and downlink high-speed data transmission services, users who only have downlink high-speed data transmission services business users and users who only have uplink high-speed data transmission services.

此外在所述方法中，对每种所述业务的用户进行所述优先级排队时，还包含以下步骤：In addition, in the method, when performing the priority queuing for the users of each of the services, the following steps are also included:

A1为信道质量好的用户设置较高优先级；A1 sets a higher priority for users with good channel quality;

A2根据所述用户的传输时延信息对所述步骤A1中优先级排队的结果进行调整。A2 adjusts the result of priority queuing in step A1 according to the transmission delay information of the user.

此外在所述方法中，所述优先级排队按照上下行链路的最小传输时间间隔TTI进行刷新。In addition, in the method, the priority queue is refreshed according to the minimum transmission time interval TTI of the uplink and downlink.

此外在所述方法中，若所述上行负载过大，对于需要上下行速率匹配的业务，禁止提高下行高速数据传输的传输速率；若所述信道质量差，则禁止提高上行高速数据传输的传输速率。In addition, in the method, if the uplink load is too large, it is forbidden to increase the transmission rate of downlink high-speed data transmission for services that require matching of uplink and downlink rates; if the channel quality is poor, it is forbidden to increase the transmission rate of uplink high-speed data transmission. rate.

此外在所述方法中，所述步骤C中，所述资源包含下行码资源和功率资源，所述资源动态配置。In addition, in the method, in the step C, the resources include downlink code resources and power resources, and the resources are dynamically configured.

此外在所述方法中，所述上行高速数据传输和所述下行高速数据传输的服务小区为一个小区，基站更软切换小区的上行速率调整和下行硬切换数据传输统一处理。In addition, in the method, the serving cell for the uplink high-speed data transmission and the downlink high-speed data transmission is one cell, and the uplink rate adjustment of the base station's softer handover cell and the downlink hard handover data transmission are uniformly processed.

此外，所述方法在第三代移动通信及其演进方案中使用，所述上行高速数据传输和所述下行高速数据传输分别为高速上行分组接入和高速下行分组接入。In addition, the method is used in the third-generation mobile communication and its evolution scheme, and the uplink high-speed data transmission and the downlink high-speed data transmission are high-speed uplink packet access and high-speed downlink packet access respectively.

通过比较可以发现，本发明的技术方案与现有技术的主要区别在于，综合利用上行和下行的相关信息，例如上行调度时的用户传输速率信息、上行负载信息以及下行调度时的CQI信息，用户传输速率，下行码资源和功率资源等信息等，进行上行和下行的综合调度，将该调度统一使用相同的资源实现，并且对上行和下行传输速率进行同步调整。Through comparison, it can be found that the main difference between the technical solution of the present invention and the prior art lies in the comprehensive use of uplink and downlink related information, such as user transmission rate information during uplink scheduling, uplink load information, and CQI information during downlink scheduling. Information such as transmission rate, downlink code resources and power resources, etc., carry out comprehensive scheduling of uplink and downlink, and use the same resources to realize the scheduling, and adjust the transmission rate of uplink and downlink synchronously.

这种技术方案上的区别，带来了较为明显的有益效果，即首先，由于本发明方案综合了上下行的相关信息，调度时使用更多的参考信息从而可以使得调度算法更准确，更有利于保证用户的传输速率，保障用户的QoS；The difference in this technical solution brings more obvious beneficial effects, that is, firstly, because the solution of the present invention integrates the relevant information of uplink and downlink, more reference information is used during scheduling, so that the scheduling algorithm can be more accurate and more efficient. It is beneficial to ensure the user's transmission rate and guarantee the user's QoS;

第二，本发明方案只需要一套调度资源就可以实现上下行业务的同时调度，因此更加节省基站的调度资源，节约运营商的业务成本；Second, the solution of the present invention only needs one set of scheduling resources to realize the simultaneous scheduling of uplink and downlink services, thus saving the scheduling resources of the base station and the business cost of the operator;

第三，本发明上下行同步调度和调整的方式避免了上下行速率不匹配的情况，避免速率不匹配造成的资源浪费和传输质量下降；Third, the method of uplink and downlink synchronous scheduling and adjustment in the present invention avoids the situation that the uplink and downlink rates do not match, and avoids resource waste and transmission quality degradation caused by rate mismatch;

第四，对于承载的实时业务，本发明调度方案能够更好的提供性能保障，为高速数据业务承载实时业务提供了可能，可以更好的满足未来移动通信的发展。Fourth, for the real-time services carried, the scheduling scheme of the present invention can better provide performance guarantee, provide the possibility for high-speed data services to carry real-time services, and can better meet the development of future mobile communications.

附图说明Description of drawings

图1是根据本发明第一较佳实施例的移动通信系统中高速数据传输的调度方法的流程；Fig. 1 is the process flow of the scheduling method of high-speed data transmission in the mobile communication system according to the first preferred embodiment of the present invention;

图2是根据本发明第二较佳实施例的对用户进行优先级排队的流程。Fig. 2 is a flowchart of priority queuing for users according to the second preferred embodiment of the present invention.

具体实施方式Detailed ways

为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明作进一步地详细描述。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

本发明方案融合基站上行调度和下行调度的方法，针对用户而非单独的上行业务或下行业务进行调度。The scheme of the present invention integrates the methods of base station uplink scheduling and downlink scheduling, and performs scheduling for users instead of individual uplink services or downlink services.

对于被调度的用户，其上行和下行链路的传输速率可以同步调整，并且上行或下行链路的传输速率通过综合考虑上行和下行的相关信息再确定。For the scheduled users, their uplink and downlink transmission rates can be adjusted synchronously, and the uplink or downlink transmission rates are re-determined by comprehensively considering the uplink and downlink related information.

为了方便的实现联合调度，本发明还将上行高速数据包接入的服务小区和下行高速数据包接入的服务小区统一为一个小区，由该小区的调度器确定用户上下行数据的传输。In order to realize joint scheduling conveniently, the present invention also unifies the service cell for uplink high-speed data packet access and the service cell for downlink high-speed data packet access into one cell, and the scheduler of the cell determines the transmission of user uplink and downlink data.

首先，由于本发明针对用户进行调度，而且上行和下行链路的传输速率可以同步调整，因此可以避免出现用户上下行传输不匹配的情况，保证用户的QoS；同时，由于本发明方案上行和下行统一进行调度，上行和下行调度使用统一的调度资源进行，可以避免现有技术中上行和下行独立调度时分别使用不同的调度资源造成的资源浪费。First of all, since the present invention performs scheduling for users, and the transmission rate of the uplink and downlink can be adjusted synchronously, it can avoid the situation that the user's uplink and downlink transmission do not match, and guarantee the user's QoS; Unified scheduling, uplink and downlink scheduling is performed using unified scheduling resources, which can avoid resource waste caused by using different scheduling resources when uplink and downlink are independently scheduled in the prior art.

为了更好的说明本发明，下面结合本发明较佳实施例和附图进行说明。In order to better illustrate the present invention, the following description will be made in conjunction with the preferred embodiments of the present invention and the accompanying drawings.

根据本发明第一较佳实施例的移动通信系统中高速数据传输的调度方法的流程如图1所示。The flow of the scheduling method for high-speed data transmission in the mobile communication system according to the first preferred embodiment of the present invention is shown in FIG. 1 .

首先，进入步骤110，对用户进行优先级排队。其中，用户优先级排队时，主要考虑用户优先级、业务类型、CQI指示以及用户QoS等。需要说明的是，在实际情况中，优先级排队的方法很多，并且可能会根据实际传输情况进行动态调整。在本发明第一较佳实施例中，优先级排队的主要原则是尽量满足用户QoS并尽量增加系统的吞吐率。First, enter step 110, and perform priority queuing for users. Wherein, user priority queuing mainly considers user priority, service type, CQI indication, and user QoS. It should be noted that, in actual situations, there are many methods for priority queuing, which may be dynamically adjusted according to actual transmission conditions. In the first preferred embodiment of the present invention, the main principle of priority queuing is to satisfy user QoS and increase system throughput as much as possible.

接着进入步骤120，综合上行和下行相关信息决定上行和下行传输速率。其中，上行相关信息可以是上行负载余量和用户的调度请求信息，下行相关信息可以是UE反馈的CQI指示。Then enter step 120, and determine the uplink and downlink transmission rates based on the uplink and downlink related information. Wherein, the uplink related information may be the uplink load margin and user scheduling request information, and the downlink related information may be the CQI indication fed back by the UE.

在本发明第一较佳实施例中，根据UE上报的当前CQI以及当前上行负载余量决定下行传输速率。与现有技术仅根据UE上报的当前CQI决定下行传输速率的方式相比，本发明还考虑了和上行数据传输有关的上行负载余量，这主要是考虑到如果当前上行负载已经过高或者过载，对于有些需要上下行速率匹配的业务，下行的传输速率不允许提升，否则下行速率提升会进一步增大上行负载，造成系统上行性能下降。例如，传输控制协议/网际互连协议(Transmission Control Protocol/Internet Protocol，简称“TCP/IP”)需要反馈信息，下行TCP/IP传输速率的提升会造成相应上行反馈信息的增加，从而增加上行负载，此时如果上行负载已经过大，即使下行可以提高传输速率，也不应该允许。本领域的普通技术人员理解，现有技术方案独立对下行和上行进行调度，可能出现上行负载已经过高的情况下仍然提升下行传输速率的情况，将会大大恶化上行传输质量，造成系统总的业务质量下降，从而造成用户满意度的降低。In the first preferred embodiment of the present invention, the downlink transmission rate is determined according to the current CQI reported by the UE and the current uplink load headroom. Compared with the prior art which only determines the downlink transmission rate based on the current CQI reported by the UE, the present invention also considers the uplink load margin related to the uplink data transmission, mainly considering that if the current uplink load is too high or overloaded , for some services that require uplink and downlink rate matching, the downlink transmission rate is not allowed to increase, otherwise the downlink rate increase will further increase the uplink load, resulting in system uplink performance degradation. For example, the Transmission Control Protocol/Internet Protocol (Transmission Control Protocol/Internet Protocol, referred to as "TCP/IP") needs feedback information, and the increase in the downlink TCP/IP transmission rate will cause an increase in the corresponding uplink feedback information, thereby increasing the uplink load. , at this time, if the uplink load is already too large, even if the downlink can increase the transmission rate, it should not be allowed. Those of ordinary skill in the art understand that the existing technical solutions independently schedule the downlink and uplink, and it may happen that the downlink transmission rate is still increased when the uplink load is already too high, which will greatly deteriorate the quality of uplink transmission, resulting in overall system failure. Service quality declines, resulting in a decrease in user satisfaction.

在本发明第一较佳实施例中，根据UE上报的当前CQI指示、当前上行负载余量以及用户上行的调度请求信息联合决定上行传输速率。与现有技术仅根据当前上行负载余量以及用户上行的调度请求信息决定上行传输速率的方式相比，本发明方案还考虑了和下行数据传输有关的UE上报的当前CQI指示决定上行传输速率，这主要是考虑到如果CQI指示当前信道质量比较差，则即使用户上行的调度请求信息希望能够提供很高的上行数据传输也不允许，因为过高的数据速率将导致解调性能无法得到保障。一般来说，在下行没有发射分集时，CQI指示值增加3个等级可以用于评估上行能够达到的传输速率。此外，本发明第一较佳实施例中，还根据当前上行负载余量决定是否允许进行调整，如果当前上行负载已经过载，则需要考虑降低上行数据传输速率。In the first preferred embodiment of the present invention, the uplink transmission rate is jointly determined according to the current CQI indication reported by the UE, the current uplink load margin and the user's uplink scheduling request information. Compared with the prior art which only determines the uplink transmission rate based on the current uplink load margin and the user's uplink scheduling request information, the solution of the present invention also considers the current CQI indication reported by the UE related to downlink data transmission to determine the uplink transmission rate, This is mainly because if the CQI indicates that the current channel quality is relatively poor, even if the user's uplink scheduling request information hopes to provide high uplink data transmission, it is not allowed, because the demodulation performance cannot be guaranteed due to an excessively high data rate. Generally speaking, when there is no transmit diversity in the downlink, the CQI indication value increased by 3 levels can be used to evaluate the transmission rate that can be achieved in the uplink. In addition, in the first preferred embodiment of the present invention, whether to allow adjustment is also determined according to the current uplink load margin. If the current uplink load is already overloaded, it is necessary to consider reducing the uplink data transmission rate.

接着进入步骤130，判断用户的上行或下行速率是否被改变，如果是则进入步骤140，否则进入步骤150。在本发明第一较佳实施例中，如果用户的上行或下行速率被改变，则对于对称的数据业务、TCP/IP这种上下行速率需要同步提高或降低的业务等，为了避免资源浪费，防止出现上下行速率不匹配的情况，本发明方案需要对该用户对应的下行或上行速率进行调整。Then enter step 130, judge whether the uplink or downlink rate of the user has been changed, if yes, enter step 140, otherwise enter step 150. In the first preferred embodiment of the present invention, if the user's uplink or downlink rate is changed, then for symmetrical data services, such as TCP/IP, the uplink and downlink rates need to be synchronously increased or decreased, etc., in order to avoid waste of resources, To prevent the uplink and downlink rates from not matching, the solution of the present invention needs to adjust the downlink or uplink rate corresponding to the user.

如果用户的上行或下行速率被改变，则在步骤140中，同步调整该用户对应的下行或上行速率。其中，同步调度的总体原则是当用户下行链路数据传输被调度时，同时考虑上行链路数据传输速率是否需要调整。本领域的普通技术人员可以理解，这种同步调整很有实际意义，因为信道质量指示可以同时反映出上下行信道的质量好坏，尤其对于对称的上下行数据业务(包括时延敏感业务)，下行数据速率根据信道质量做调整后，上行也应该做相应的调整；此外，如果用户只有下行数据业务，则因为TCP/IP数据传输时，上行需要传送确认信息给服务器，如果下行数据业务传输速率越高，要求上行反馈的传输速率也越高，一般来说，下行TCP/IP数据峰值速率达到2Mbps左右，则上行传输峰值速率需要达到384Kbps。由于系统是根据信道质量好坏提供可以达到的数据传输速率，因此下行速率波动可能比较大，为了使得上行传输数据匹配下行数据传输的需求，在联合调度时，如果出现较长时间的高速传输，则相应需要提高上行传输的速率，这样提高了上行反馈服务器确认信息的传输速率，减小环回传输时延。If the uplink or downlink rate of the user is changed, then in step 140, the corresponding downlink or uplink rate of the user is adjusted synchronously. Wherein, the general principle of synchronous scheduling is to consider whether the uplink data transmission rate needs to be adjusted when the user downlink data transmission is scheduled. Those skilled in the art can understand that this synchronization adjustment is very practical, because the channel quality indicator can reflect the quality of the uplink and downlink channels at the same time, especially for symmetrical uplink and downlink data services (including delay-sensitive services), After the downlink data rate is adjusted according to the channel quality, the uplink should also be adjusted accordingly; in addition, if the user only has downlink data services, because the uplink needs to send confirmation information to the server during TCP/IP data transmission, if the downlink data service transmission rate The higher the value, the higher the transmission rate required for uplink feedback. Generally speaking, the peak rate of downlink TCP/IP data reaches about 2Mbps, and the peak rate of uplink transmission needs to reach 384Kbps. Since the system provides the achievable data transmission rate according to the quality of the channel, the downlink rate may fluctuate greatly. In order to make the uplink transmission data match the downlink data transmission requirements, during joint scheduling, if there is a long period of high-speed transmission, Correspondingly, the uplink transmission rate needs to be increased, so as to increase the transmission rate of the uplink feedback server confirmation information and reduce the loopback transmission delay.

在步骤150中，根据用户的优先级排队和被分配的速率为该用户配置传输需要的资源。In step 150, resources required for transmission are configured for the user according to the user's priority queuing and allocated rate.

在本发明第一较佳实施例中，步骤150中，首先，根据调度确定的用户上行传输速率，为用户上行链路分配HSUPA资源，包括：用户上行链路允许到达基站接收端的干扰水平，为了实现HSUPA需要的下行功率和下行码道等资源。如果用户上行传输数据速率不需要做调整，则E-AGCH、E-RGCH不发送，即不需要发送这两个信道的下行功率和码道资源；如果需要反馈当前HSUPA上行数据接收正确与否指示信道的确认信息，则需要占用下行码资源和功率资源。可以根据当前在线的HSUPA用户动态确定下行信道占用的资源，并根据HSUPA用户的增删情况确定码资源和功率资源的实际使用量，从而避免采用固定下行码资源和功率资源分配带来的资源浪费。In the first preferred embodiment of the present invention, in step 150, first, according to the user uplink transmission rate determined by the scheduling, allocate HSUPA resources for the user uplink, including: the interference level that the user uplink allows to reach the receiving end of the base station, in order Resources such as downlink power and downlink code channels needed to realize HSUPA. If the user's uplink transmission data rate does not need to be adjusted, E-AGCH and E-RGCH are not sent, that is, there is no need to send the downlink power and code channel resources of these two channels; if it is necessary to feedback whether the current HSUPA uplink data is received correctly or not The confirmation information of the channel needs to occupy the downlink code resources and power resources. The resources occupied by the downlink channel can be dynamically determined according to the current online HSUPA users, and the actual usage of code resources and power resources can be determined according to the addition and deletion of HSUPA users, thereby avoiding resource waste caused by fixed downlink code resource and power resource allocation.

接着，根据调度确定的用户下行传输速率，为用户下行链路分配HSDPA需要的码资源和功率资源。需要说明的是，在本发明第一较佳实施例中，根据下行剩余的码资源和功率资源，确定是否可以满足下行的传输速率，如果无法满足，将还需要调整下行传输速率。Next, according to the downlink transmission rate of the user determined by the scheduling, code resources and power resources required by HSDPA are allocated for the downlink of the user. It should be noted that, in the first preferred embodiment of the present invention, it is determined whether the downlink transmission rate can be satisfied according to the remaining downlink code resources and power resources, and if not, the downlink transmission rate needs to be adjusted.

最后，根据用户的队列优先级，依次给用户按照上述的方法分配上行资源和下行资源。以下行码资源和功率资源为基准，如果上行负载资源首先被耗尽，则考虑针对优先级队列用户，根据传输速率和平均重传次数，计算

最大的用户，根据配置的用户传输格式集，选择其中更小的用户上行传输速率，如果还不能满足要求，按照相同原则选取第二个需要降速的用户，进行相同处理，依次类推，直到满足上行负载资源的要求。这样，针对下行资源和上行资源继续调度用户，直到资源用尽。其中，TFC_{UL_i}为上行数据传输速率，RSN_{avg_i}为平均重传次数。Finally, according to the queue priority of the user, uplink resource and downlink resource are allocated to the user sequentially according to the above method. Based on the downlink code resources and power resources, if the uplink load resources are exhausted first, consider the priority queue users, according to the transmission rate and the average number of retransmissions, calculate

For the largest user, select the smaller user’s uplink transmission rate according to the configured user transmission format set. If it still cannot meet the requirements, select the second user who needs to reduce the speed according to the same principle, and perform the same processing, and so on, until it meets the requirements. Requirements for upstream load resources. In this way, users are continuously scheduled for downlink resources and uplink resources until the resources are exhausted. Among them, TFC_{UL_i} is the uplink data transmission rate, and RSN_{avg_i} is the average number of retransmissions.

基于本发明第一较佳实施例，在本发明第二较佳实施例中，对用户进行优先级排队的流程如图2所示。Based on the first preferred embodiment of the present invention, in the second preferred embodiment of the present invention, the flow of priority queuing for users is shown in FIG. 2 .

首先，进入步骤210，根据CQI和上下行时延进行时延敏感业务用户的优先级排队。在该步骤中，首先根据用户反馈的CQI进行优先级排队，信道质量好的用户优先级高；接着，为了保证时延敏感业务的时延满足要求，还根据允许的空口传输最大时延T_{Uu_MaxDelay}以及用户上下行数据等待发送数据时延T_{UL_Wait}和T_{DL_Wait}进行优先级排队的修正，如果$\frac{T_{\mathrm{UL}\_\mathrm{wait}}+T_{\mathrm{DL}\_\mathrm{wait}}}{T_{\mathrm{Uu}\_\mathrm{MaxDelay}}}\≥C_{\mathrm{threshold},}$其中C_threshold为设定门限，则该用户设为最高优先级。First, enterstep 210, perform priority queuing for delay-sensitive service users according to the CQI and uplink and downlink delays. In this step, priority queuing is first performed according to the CQI fed back by users, and users with good channel quality have high priority; then, in order to ensure that the delay of delay-sensitive services meets the requirements, the maximum delay T_{Uu_MaxDelay} of air interface transmission is also allowed And the user's uplink and downlink data waiting to send data delays T_{UL_Wait} and T_{DL_Wait} for priority queuing correction, if$\frac{T_{\mathrm{UL}\_\mathrm{wait}}+T_{\mathrm{DL}\_\mathrm{wait}}}{T_{u\_\mathrm{MaxDelay}}}\&Greater\; Equal;C_{\mathrm{threshold},}$ Where C_threshold is the set threshold, the user is set as the highest priority.

接着，进入步骤220，根据CQI和当前上下行传输速率及时延进行时延不敏感业务且同时存在上下行业务的用户优先级排队。在该步骤中，首先依然根据用户反馈的CQI进行优先级排队；接着，根据用户当前下行数据传输速率TFC_{DL_i}和等待时间T_{DL_Wait}、以及上行用户传输速率TFC_{UL_i}和等待时间T_{UL_Wait}进行修正，并设置TFC_{DL_i}*T_{DL_Wait}+TFC_{UL_i}*T_{UL_Wait}最大的用户优先级最高。Next, enterstep 220, perform priority queuing for users with delay-insensitive services and simultaneously have uplink and downlink services according to the CQI, current uplink and downlink transmission rates, and delays. In this step, firstly, priority queuing is still performed according to the CQI fed back by the user; then, correction is made according to the user's current downlink data transmission rate TFC_{DL_i} and waiting time T_{DL_Wait} , and uplink user transmission rate TFC_{UL_i} and waiting time T_{UL_Wait} , and The user who sets TFC_{DL_i} *T_{DL_Wait} +TFC_{UL_i} *T_{UL_Wait} to the maximum has the highest priority.

接着，进入步骤230，根据CQI和下行传输速率及时延进行时延不敏感且仅有下行业务的用户的优先级排队。由于通常下行数据业务应用是上行数据业务应用的2倍以上，因此下行数据传输的优先级比单纯的上行数据传输要更高。在该步骤中，首先根据用户反馈的CQI进行优先级排队；接着根据用户当前下行数据传输速率TFC_{DL_i}和等待时间T_{DL_Wait}，设置TFC_{DL_i}*T_{DL_Wait}最大的用户优先级最高。Next, enterstep 230, perform priority queuing for delay-insensitive and downlink-only users according to the CQI, downlink transmission rate, and delay. Since downlink data service applications are generally more than twice that of uplink data service applications, the priority of downlink data transmission is higher than pure uplink data transmission. In this step, first perform priority queuing according to the CQI fed back by the user; then according to the user's current downlink data transmission rate TFC_{DL_i} and waiting time T_{DL_Wait} , the user whose TFC_{DL_i} *T_{DL_Wait} is set to be the highest has the highest priority.

最后，进入步骤240，根据CQI和上行传输速率及时延进行时延不敏感且仅有上行业务的用户的优先级排队。在该步骤中，同样首先根据用户反馈的CQI对用户进行优先级排队；接着根据用户当前上行数据传输速率TFC_{UL_i}和等待时间T_{UL_Wait}进行优先级排队修正，设置TFC_{UL_i}*T_{UL_Wait}最大的用户优先级最高。Finally, enterstep 240, perform priority queuing for delay-insensitive and uplink-only users according to the CQI, uplink transmission rate, and delay. In this step, priority queuing is firstly performed on the user according to the CQI fed back by the user; then priority queuing correction is performed according to the user's current uplink data transmission rate TFC_{UL_i} and waiting time T_{UL_Wait} , and the user priority with the largest TFC_{UL_i} * T_{UL_Wait} is set highest level.

需要说明的是，在本发明第二较佳实施例中基础上，本发明第三较佳实施例在完成上述的用户优先级排队以后，需要根据一些数据传输的异常情况，对排好的用户优先级队列进行修正，例如，如果用户在HSUPA接入中反馈了不满意(Unhappy bit)信息，则在上述用户排好的优先级顺序中，把这些用户取出来放在优先级队列的前面。It should be noted that, on the basis of the second preferred embodiment of the present invention, after the above-mentioned user priority queuing is completed in the third preferred embodiment of the present invention, it is necessary to sort the queued users according to some abnormal situations of data transmission. The priority queue is corrected. For example, if the user feeds back the Unhappy bit information during the HSUPA access, these users are taken out and placed at the front of the priority queue in the priority order arranged by the above-mentioned users.

为了保证用户的主观感受，防止出现上下行时延都很长的情况，在本发明第四较佳实施例中，对于上下行数据传输时延敏感的业务，在充分保障上下行时延需求的情况下，如果出现了下行或者上行传输时延过大时，相应反向的传输调度需要提高优先级保障。In order to ensure the user's subjective experience and prevent the occurrence of long uplink and downlink delays, in the fourth preferred embodiment of the present invention, for services sensitive to uplink and downlink data transmission delays, the uplink and downlink delay requirements are fully guaranteed. Under certain circumstances, if the downlink or uplink transmission delay is too large, the corresponding reverse transmission scheduling needs to increase the priority guarantee.

为了保证用户优先级排队的实时性，在本发明第五较佳实施例中，用户优先级排队按照上下行链路的最小TTI进行刷新。In order to ensure the real-time performance of user priority queuing, in the fifth preferred embodiment of the present invention, user priority queuing is refreshed according to the minimum TTI of the uplink and downlink.

为了节省实现上文所述的上下行联合调度所需要的调度资源，在本发明第六较佳实施例中，HSUPA的服务小区和HSDPA的服务小区统一为一个小区，由该小区的调度器确定用户上下行数据的传输。HSUPA的服务小区和HSDPA的服务小区统一为相同的小区后，HSUPA的服务小区判定可以根据当前的HSDPA接入所在小区进行确定，从而使得HSUPA的服务小区判定就变得很简单。基站软切换/更软切换小区的上行速率调整和下行硬切换数据传输调度统一处理。更软切换所在小区的E-RGCH承载的速率调整信令取相同的值Min{RG_i}，RG取值范围为-1、0、1，不同更软切换小区独立判定调度的RG值，但是基站为了使得下行E-RGCH信道发送相同的RG值，采用Min{RG_i}原则取相同值并发送给用户，用户解调时可以采用最大比合并提高RG值的解调性能，下行硬切换时不同更软切换小区缓存中下行待发送数据实现平滑搬移到新小区，而不需要RNC的无线资源控制(Radio Resource Control，简称“RRC”)层来重传，否则会导致过大的时延。In order to save the scheduling resources needed to realize the joint uplink and downlink scheduling mentioned above, in the sixth preferred embodiment of the present invention, the serving cell of HSUPA and the serving cell of HSDPA are unified into one cell, which is determined by the scheduler of the cell Transmission of user uplink and downlink data. After the serving cell of HSUPA and the serving cell of HSDPA are unified into the same cell, the judgment of the serving cell of HSUPA can be determined according to the cell where the current HSDPA accesses, so that the judgment of the serving cell of HSUPA becomes very simple. The uplink rate adjustment of the base station soft handover/softer handover cell and the downlink hard handover data transmission scheduling are processed in a unified manner. The rate adjustment signaling carried by the E-RGCH of the cell where the softer handover is located takes the same value Min{RG_i }, and the value range of RG is -1, 0, 1. Different softer handover cells independently determine the RG value for scheduling, but In order to make the downlink E-RGCH channel send the same RG value, the base station uses the Min{RG_i } principle to take the same value and send it to the user. When the user demodulates, the maximum ratio combination can be used to improve the demodulation performance of the RG value. The downlink to-be-sent data buffered in different softer handover cells can be smoothly moved to the new cell without retransmission by the Radio Resource Control (RRC) layer of the RNC, otherwise excessive delay will be caused.

虽然通过参照本发明的某些优选实施例，已经对本发明进行了图示和描述，但本领域的普通技术人员应该明白，可以在形式上和细节上对其作各种改变，而不偏离本发明的精神和范围。Although the present invention has been illustrated and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the present invention. The spirit and scope of the invention.

Claims (10)

Translated fromChinese

1.一种移动通信系统中高速数据传输的调度方法，其特征在于，包含以下步骤：1. a scheduling method for high-speed data transmission in a mobile communication system, characterized in that, comprising the following steps:A对使用高速数据传输的用户进行优先级排队；A prioritizes queuing for users using high-speed data transmission;B根据所述用户当前的信道质量和上行负载决定该用户下行高速数据传输的传输速率，根据所述用户当前的信道质量、上行负载和调度请求决定该用户上行高速数据传输的传输速率；B determines the transmission rate of the user's downlink high-speed data transmission according to the user's current channel quality and uplink load, and determines the user's uplink high-speed data transmission transmission rate according to the user's current channel quality, uplink load and scheduling request;C根据用户的优先级排队，依次为用户分配上行高速数据传输资源和下行高速数据传输资源，包括：根据步骤B所决定的上行高速数据传输的传输速率，为所述用户上行链路分配上行高速数据传输资源，根据步骤B所决定的下行高速数据传输的传输速率，为所述用户下行链路分配下行高速数据传输资源。C queues up according to the user's priority, and sequentially allocates uplink high-speed data transmission resources and downlink high-speed data transmission resources to users, including: according to the transmission rate of uplink high-speed data transmission determined in step B, allocates uplink high-speed data transmission resources for the user's uplink The data transmission resource is to allocate the downlink high-speed data transmission resource for the downlink of the user according to the transmission rate of the downlink high-speed data transmission determined in step B.2.根据权利要求1所述的移动通信系统中高速数据传输的调度方法，其特征在于，在所述步骤C之前，还包含以下步骤：2. the scheduling method of high-speed data transmission in the mobile communication system according to claim 1, is characterized in that, before described step C, also comprises the following steps:如果所述上行高速数据传输或所述下行高速数据传输的传输速率改变，则同步调整对应用户的所述下行高速数据传输或所述上行高速数据传输的传输速率。If the transmission rate of the uplink high-speed data transmission or the downlink high-speed data transmission changes, synchronously adjust the downlink high-speed data transmission or the uplink high-speed data transmission transmission rate of the corresponding user.3.根据权利要求1所述的移动通信系统中高速数据传输的调度方法，其特征在于，所述步骤A中，所述用户包括时延敏感业务用户和时延不敏感业务用户。3. The method for scheduling high-speed data transmission in a mobile communication system according to claim 1, wherein in said step A, said users include delay-sensitive service users and delay-insensitive service users.4.根据权利要求3所述的移动通信系统中高速数据传输的调度方法，其特征在于，对所述时延不敏感业务用户进行所述优先级排队时，优先级从高到低依次为：同时存在上下行高速数据传输业务的用户、仅存在下行高速数据传输业务的用户和仅存在上行高速数据传输业务的用户。4. the scheduling method of high-speed data transmission in the mobile communication system according to claim 3, it is characterized in that, when carrying out described priority queuing to described time delay insensitive service user, priority is in order from high to low: There are users with uplink and downlink high-speed data transmission services, users with only downlink high-speed data transmission services, and users with only uplink high-speed data transmission services.5.根据权利要求4所述的移动通信系统中高速数据传输的调度方法，其特征在于，对每种所述业务的用户进行所述优先级排队时，还包含以下步骤：5. the scheduling method of high-speed data transmission in the mobile communication system according to claim 4, it is characterized in that, when carrying out described priority queuing to the user of each kind of described business, also comprise the following steps:A1为信道质量好的用户设置较高优先级；A1 sets a higher priority for users with good channel quality;A2根据所述用户的传输时延信息对所述步骤A1中优先级排队的结果进行调整。A2 adjusts the result of priority queuing in step A1 according to the transmission delay information of the user.6.根据权利要求1所述的移动通信系统中高速数据传输的调度方法，其特征在于，所述优先级排队按照上下行链路的最小传输时间间隔TTI进行刷新。6. The method for scheduling high-speed data transmission in a mobile communication system according to claim 1, wherein the priority queuing is refreshed according to the minimum transmission time interval (TTI) of uplink and downlink.7.根据权利要求1所述的移动通信系统中高速数据传输的调度方法，其特征在于，若所述上行负载过大，对于需要上下行速率匹配的业务，禁止提高下行高速数据传输的传输速率；若所述信道质量差，则禁止提高上行高速数据传输的传输速率。7. The scheduling method for high-speed data transmission in a mobile communication system according to claim 1, wherein if the uplink load is too large, for services that require matching of uplink and downlink rates, it is forbidden to increase the transmission rate of downlink high-speed data transmission ; If the channel quality is poor, prohibiting increasing the transmission rate of uplink high-speed data transmission.8.根据权利要求1所述的移动通信系统中高速数据传输的调度方法，其特征在于，所述步骤C中，所述资源包含下行码资源和功率资源，所述资源动态配置。8. The scheduling method for high-speed data transmission in a mobile communication system according to claim 1, characterized in that, in the step C, the resources include downlink code resources and power resources, and the resources are dynamically configured.9.根据权利要求1所述的移动通信系统中高速数据传输的调度方法，其特征在于，所述上行高速数据传输和所述下行高速数据传输的服务小区为一个小区，基站软切换/更软切换小区的上行速率调整和下行硬切换数据传输统一由服务小区调度处理。9. The scheduling method of high-speed data transmission in the mobile communication system according to claim 1, characterized in that, the serving cell of the uplink high-speed data transmission and the downlink high-speed data transmission is one cell, and the base station soft handover/softer The uplink rate adjustment and downlink hard handover data transmission of the handover cell are uniformly scheduled and processed by the serving cell.10.根据权利要求1所述的移动通信系统中高速数据传输的调度方法，其特征在于，所述方法在第三代移动通信及其演进方案中使用，所述上行高速数据传输和所述下行高速数据传输分别为高速上行分组接入和高速下行分组接入。10. The scheduling method of high-speed data transmission in the mobile communication system according to claim 1, characterized in that, the method is used in the third generation mobile communication and its evolution scheme, and the uplink high-speed data transmission and the downlink High-speed data transmission is divided into high-speed uplink packet access and high-speed downlink packet access.

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