Summary of the invention
In view of this, the embodiment of the invention provides a kind of control information transmission method, reduces HS-SCCH and sends and receive number of times, saves resource, reduces the system descending interference level;
A kind of control information sending method also is provided, has reduced HS-SCCH and send number of times, saved system resource;
A kind of control information method of reseptance is provided again, has reduced the number of times that UE receives HS-SCCH, saved the UE power consumption, reduced the system descending interference level.
In addition, the embodiment of the invention also provides transmitting terminal and the receiving terminal of realizing said method.
The control information transmission method that the embodiment of the invention provides, comprise: with the high-speed physical downlink shared channel (HS-PDSCH) HS-PDSCH control information of a plurality of Transmission Time Interval TTI of correspondence, be arranged among the high speed downlink packet access shared control channel HS-SCCH and send to user terminal UE, described HS-PDSCH control information comprises: time control information and decoding control information;
Described UE obtains described control information from described HS-SCCH;
Be defined as the information of a plurality of TTI of described UE distribution according to described time control information;
According to the information of a plurality of TTI that determine, on the HS-PDSCH of correspondence, receive data block, and decode to receiving data block according to described decoding control information.
The control information sending method that the embodiment of the invention provides comprises:
High-speed physical downlink shared channel (HS-PDSCH) HS-PDSCH control information with a plurality of Transmission Time Interval TTI of correspondence, be arranged among the high speed downlink packet access shared control channel HS-SCCH and send to user terminal UE, described HS-PDSCH control information comprises: time control information and decoding control information.
The control information method of reseptance that the embodiment of the invention provides comprises:
User terminal UE monitors the TTI that issues HS-SCCH, obtains the HS-PDSCH control information that described HS-SCCH carries;
Be defined as the information of a plurality of TTI of described UE distribution according to the time control information in the described HS-PDSCH control information;
According to the information of a plurality of TTI that determine, on the HS-PDSCH of correspondence, receive data block, and decode to receiving data block according to the decoding control information in the described HS-PDSCH control information.
The transmitting terminal that the embodiment of the invention provides comprises:
Control information is provided with the unit, is used for the HS-PDSCH control information with a plurality of Transmission Time Interval TTI of correspondence, is arranged among the HS-SCCH;
Information transmitting unit, the HS-SCCH that is used for being provided with the HS-PDSCH control information sends to user terminal UE.
The receiving terminal that the embodiment of the invention provides comprises:
The control information acquiring unit is used to monitor the TTI that issues HS-SCCH, obtains the HS-PDSCH control information that described HS-SCCH carries;
The information determining unit is used for the information that time control information according to described HS-PDSCH control information is defined as a plurality of TTI that described UE distributes;
Data Receiving and decoding unit are used for the information according to a plurality of TTI of determining, from the HS-PDSCH reception data block of correspondence, and decode to receiving data block according to the decoding control information in the described HS-PDSCH control information.
By the description of above technical scheme as can be known, the control information transmission method that the embodiment of the invention provides, when UE sends control information, HS-PDSCH control information with a plurality of Transmission Time Interval TTI of correspondence, be arranged among the HS-SCCH and send to UE, make HS-SCCH expand to a plurality of TTI from a TTI, send number of times thereby reduce HS-SCCH to the control cycle of HS-PDSCH, reach the saving resource, reduce descending disturb purpose.
In the control information transmission method that the embodiment of the invention provides, UE monitors the TTI that issues HS-SCCH, obtains the HS-PDSCH control information that HS-SCCH carries; And be defined as the information of a plurality of TTI that this UE distributes according to the time control information that is obtained; UE can be according to the information of a plurality of TTI that determine afterwards, receives data block from the HS-PDSCH of correspondence, and decode to receiving data block according to the decoding control information that is obtained.
Therefore, utilize method provided by the invention, UE can only monitor a TTI, is retrieved as the HS-PDSCH control information of a plurality of TTI correspondences of UE distribution from a HS-SCCH, therefore can reduce the number of times that UE monitors HS-SCCH, save the UE power consumption, reduce the system descending interference level.
Embodiment
For making purpose of the present invention, technical scheme and beneficial effect clearer,, the present invention is done detailed description further below in conjunction with embodiment and accompanying drawing.
The control information transmission method that the embodiment of the invention provides comprises: with the HS-PDSCH control information of a plurality of TTI of correspondence, be arranged among the HS-SCCH and send to UE, wherein the HS-PDSCH control information comprises: time control information and decoding control information;
UE obtains described HS-PDSCH control information from described HS-SCCH, and is defined as the information of a plurality of TTI of self distributing according to wherein time control information; According to the information of a plurality of TTI that determine, on the HS-PDSCH of correspondence, receive data block, and decode to receiving data block according to the decoding control information in the HS-PDSCH control information that obtains.
Here, the decoding control information that is arranged among the HS-SCCH is determined by actual needs, can comprise: decoded informations such as modulation system, transmission block size and coded system, UE can adopt this decoding control information at a plurality of TTI according to time control information decision, decodes from the data block that the HS-PDSCH of correspondence receives.Method provided by the invention is compared with prior art distinguished and is, is provided with the time control information of a plurality of TTI that are characterized by the UE distribution in a HS-SCCH.The time control information that is arranged among the HS-SCCH can be three parameters that are characterized by a plurality of TTI that UE distributes: repetition period RP, repeat length RL and periodicity NP, wherein periodicity NP can be an option, when not having periodicity NP, indication cycle is an endless, in the next time of continuously effective before changing.
A kind of concrete implementation can for:
Control word is set in HS-SCCH, and this control word comprises: repetition period RP, repeat length RL and periodicity NP are unit, for example RP=4 with TTI; RL=2; It is 2 TTI among per 4 TTI that NP=3 is expressed as resource that the represented UE of corresponding wireless network temporary identity (H-RNTI) assigns, repeats 3 times and has assigned 6 TTI to this UE altogether in 12 continuous TTI.If do not comprise NP=3 in the control word, the resource that then is expressed as the represented UE appointment of corresponding H-RNTI is 2 TTI among per 4 TTI, do not have the number of repetition restriction, the number that is to say the TTI that distributes to UE is infinite, till the resource that next time changes to the UE distribution.Need to prove, specifically in per 4 TTI, select any 2 TTI to distribute to this UE and be configured by high-level signaling.
Be arranged among the HS-SCCH time control information can also for: with one group of control word that parameter is corresponding, described one group of parameter is used to be characterized by a plurality of TTI that UE distributes, and specifically comprises: three parameters of repetition period RP, repeat length RL and periodicity NP; Perhaps include only two parameters of repetition period RP and repeat length RL.In this case, need set in advance the corresponding relation of control word and parameter group, and the corresponding relation that is provided with is saved among the UE or by network disposes to UE by high-level signaling.If parameter group includes only repetition period RP and two parameters of repeat length RL, then being arranged on time control information among the HS-SCCH, to may further include the expression resource allocation duration that sets in advance be the information of endless, such as a predefined special value, this condition is in the next time of continuously effective before changing.
The step that UE is defined as the information of a plurality of TTI of self distributing is: UE is according to the time control information that obtains from HS-SCCH and the corresponding relation of preservation, is defined as the information of a plurality of TTI that this UE distributes.
An instantiation is as described below: the control word RDI that sets in advance of supposition is as shown in table 1 with the corresponding relation of RP, RL and NP, then when RDI is 5, the repetition period RP of correspondence is 4, repeat length RL be 2 and periodicity NP be 3.In this case, the resource of assigning for the represented UE of corresponding H-RNTI is 2 TTI among per 4 TTI, and wherein concrete which 2 TTI are disposed by high-level signaling, repeat 3 times and have assigned 6 TTI to this UE altogether in 12 continuous TTI.
RDI RP RL NP
0 1 1 2
1 2 1 2
2 2 2 2
3 4 1 2
4 4 2 1
5 4 2 3
6 8 1 3
7 8 2 3
8 1 1 3
9 2 1 3
10 2 2 3
11 4 1 3
12 4 2 2
13 4 4 2
14 8 1 2
15 8 2 2
Table 1
In addition, the parameter that is used for being characterized by the parameter group of a plurality of TTI that UE distributes also can all not be arranged in the entrained time control information of HS-SCCH, but with partial parameters by the mode of system broadcasts or in call establishment configuration give UE.The parameter group here comprises: RP, RL and NP; Perhaps include only RP and RL.Therefore, the control information transmission method that provides of the embodiment of the invention can further include:
The partial parameters of parameter parameter group that will be used for being characterized by a plurality of TTI that UE distributes is in the mode of system broadcasts, or UE is given in configuration in call establishment;
Correspondingly, the time control information that is arranged among the HS-SCCH is: in the described parameter group, do not dispose the parameter of giving UE by the way.
If the time control information that is arranged among the HS-SCCH is: with one group of control word that parameter is corresponding, then this group parameter can comprise the whole of the parameter group that is characterized by a plurality of TTI that UE distributes, also can include only partial parameters wherein, remaining parameter can dispose by the mode of system broadcasts or in call establishment and give UE.Therefore, the control information transmission method that provides of the embodiment of the invention can further include:
To be characterized by partial parameters in the parameter group of a plurality of TTI that UE distributes, or UE is given in configuration in call establishment in the mode of system broadcasts;
Correspondingly, the time control information that is arranged among the HS-SCCH is: in described parameter group, do not dispose the control word of the parameter correspondence of giving UE by the way.Here, control word and by the way configuration set in advance for the corresponding relation between the parameter of UE.
Simultaneously, can correctly resolve to a plurality of TTI of its distribution in order to make UE, this method also comprises:
With the control word that sets in advance and by the way configuration be saved among the UE for the corresponding relation between the parameter of UE, or dispose to UE by high-level signaling by network, the step that then is defined as the information of a plurality of TTI that this UE distributes is:
UE in conjunction with the parameter that obtains, is defined as the information of a plurality of TTI of this UE distribution according to the corresponding relation of the time control information that obtains from HS-SCCH and self preservation from system broadcasts or call establishment.
Need to prove, the control information transmission method that the embodiment of the invention provides needs to guarantee, the parameter group that is used for being expressed as a plurality of TTI that UE distributes must have one at least by HS-SCCH dynamic-configuration in time, to adapt to the real-time change of service traffics.For the UE under the Enhanced CELL_FACH state,, therefore NP or RL can be fixed as the HARQ the number of transmissions because the HARQ the number of transmissions is fixed.
The control information sending method that the embodiment of the invention provides comprises:
With the HS-PDSCH control information of a plurality of TTI of correspondence, be arranged among the HS-SCCH and send to UE, wherein the HS-PDSCH control information comprises: time control information and decoding control information.
Fig. 1 is the flow chart of control information sending method specific embodiment one of the present invention, adopts RP, RL and the NP parameter group as a plurality of TTI that are expressed as the UE distribution among this embodiment, and this flow process comprises:
Step 101, NodeB determines and need transmit HS-PDSCH to UE at a plurality of TTI.
Step 102, NodeB generates the HS-PDSCH control information according to a plurality of TTI that distribute for UE, and comprising: time control information and decoding control information, wherein time control information comprises: repetition period RP, repeat length RL and periodicity NP.
Here, need to prove that time control information also can include only one or two among RP, RL and the NP, the parameter that does not wherein comprise then by system broadcasts, perhaps disposes to UE at call establishment.
Step 103, NodeB is carried at the HS-PDSCH control information that generates among the HS-SCCH and is handed down to UE.
Fig. 2 is the flow chart of control information sending method specific embodiment two of the present invention, adopts RP, RL and the NP parameter group as a plurality of TTI that are expressed as the UE distribution among this embodiment, and this flow process comprises:
Step 201, NodeB determines and need transmit HS-PDSCH to UE at a plurality of TTI.
Step 202, NodeB generates the HS-PDSCH control information according to a plurality of TTI that distribute for UE, comprise: time control information and decoding control information, wherein time control information is: control word, the corresponding one group of parameter of this control word comprises: repetition period RP, repeat length RL and periodicity NP.
Here, need to prove that one group of parameter of control word correspondence also can be one or two among RP, RL and the NP, the parameter that does not wherein comprise then by system broadcasts, perhaps disposes to UE by call establishment.
Step 203, NodeB is carried at the HS-PDSCH control information that generates among the HS-SCCH and is handed down to UE.
The control information method of reseptance that the embodiment of the invention provides as shown in Figure 3, comprises the steps:
Step 301, UE monitors the TTI that issues HS-SCCH, obtains the HS-PDSCH control information that this HS-SCCH carries.
Step 302 is defined as the information of a plurality of TTI that this UE distributes according to the time control information in the HS-PDSCH control information that is obtained.
Step 303 according to the information of a plurality of TTI that determine, receives data block from the HS-PDSCH of correspondence, and according to the decoding control information in the HS-PDSCH control information that is obtained the data block that receives is decoded.
Wherein, the time control information that obtains from HS-SCCH may comprise: repetition period RP and/or repeat length RL and/or periodicity NP.
Wherein, can not be in these three parameters from the parameter of time control information acquisition, UE can obtain from system broadcasts, perhaps obtains in call establishment.
If the control information that obtains from HS-SCCH is a control word, then the information that is defined as a plurality of TTI that this UE distributes according to the control information that obtains is:
UE is defined as the information of a plurality of TTI of this UE distribution according to the control word that obtains and the corresponding relation of control word of having preserved and parameter group, and wherein parameter group can comprise: repetition period RP and/or repeat length RL and/or periodicity NP.
If with the partial parameters that has included only a plurality of TTI that can be expressed as the UE distribution in the control word corresponding parameters group, then for the parameter that does not comprise, UE can pass through system broadcasts, or obtains at call establishment.
In order to realize above-mentioned control information sending method, the embodiment of the invention provides a kind of transmitting terminal simultaneously, and its structural representation comprises as shown in Figure 4:
Control information is provided with the unit, is used for the HS-PDSCH control information with a plurality of Transmission Time Interval TTI of correspondence, is arranged among the HS-SCCH;
Information transmitting unit, the HS-SCCH that is used for being provided with the HS-PDSCH control information sends to UE.
The transmitting terminal here can be NodeB.
In order to realize above-mentioned control information method of reseptance, the embodiment of the invention provides a kind of receiving terminal simultaneously, and its structural representation comprises as shown in Figure 5:
The control information acquiring unit is used to monitor the TTI that issues HS-SCCH, obtains the HS-PDSCH control information that described HS-SCCH carries;
The information determining unit is used for the information that time control information according to described HS-PDSCH control information is defined as a plurality of TTI that described UE distributes;
Data Receiving and decoding unit are used for the information according to a plurality of TTI of determining, from the HS-PDSCH reception data block of correspondence, and decode to receiving data block according to the decoding control information in the described HS-PDSCH control information.
The receiving terminal here can be UE.
By above embodiment as seen, the method that adopts the embodiment of the invention to provide, when Node B determines when subsequently some TTI have HS-PDSCH to send UE to, according to a plurality of TTI rise time control information that distributes for UE, this time control information is arranged among the HS-SCCH sends to UE, so promptly reduced the number of times of Node B, also saved the expense of system on the HS-SCCH material resources to corresponding UE transmission HS-SCCH.Therefore, the HS-SCCH resource of same quantity can be supported more user in this case, improves usage factor of system resource.
For example, if a packet is divided into 2 transmission blocks, each transmission block need be transmitted 3 times, has been assigned with to be numbered totally 6 TTI of 1,2,5,6,9,10.In the prior art, NodeB need send 6 HS-SCCH to UE, and UE needs to monitor continuously 10 TTI.The method that adopts the embodiment of the invention to provide, NodeB only need send a HS-SCCH to UE, has saved 5/6 resource.UE only need monitor a TTI, has reduced the power consumption of UE greatly, has reduced the system descending interference.
Secondly, the method that adopts the embodiment of the invention to provide, the HS-SCCH number that sub-district needs is reduced significantly, because the HS-SCCH a resource shrinkage that UE takies, the HS-SCCH resource that saves uses for other UE.
In addition, in a TTI, there are two channels of HS-SCCH and HS-PDSCH to need to handle usually in the prior art, very high to the requirement of UE disposal ability.After the method that the employing embodiment of the invention provides, among most of TTI, UE only needs handle HS-PDSCH, therefore can effectively reduce the processing complexity of UE.
In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.