CN103974430A - Data transmission method and device - Google Patents
Data transmission method and device Download PDFInfo
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Abstract
The invention discloses a data transmission method and device which are used for solving the problem that data transmission of multiple processes cannot be supported in the prior art. The data transmission method includes receiving control channel configuration information of each data transmission process, and receiving a plurality of transmission parameter sets and corresponding relation information between the transmission parameter sets and dispatch related information; detecting the dispatch information on the corresponding control channel of each data transmission process according to the control channel configuration information of each data transmission process; determining the transmission parameter sets corresponding to the currently dispatched data transmission processes according to the detected dispatch information and the corresponding relation information of the transmission parameter sets and the dispatch related information; receiving and detecting data corresponding to the currently dispatched data transmission processes according to the detected dispatch information and the currently dispatch data transmission processes.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of data transmission method and device.
Background technology
(inter-eNodeB) cooperative multipoint transmission (Coordinated Multi-Pointtransmission between evolved base station, CoMP) in scene, due to backhaul (backhaul) time delay with hold quantitative limitation, can not be in time between base station mutual all information.In order to obtain CoMP gain under this scene, particularly in the time that schedule information is cannot be in time mutual, multiple base stations same subscriber equipmenies of independent scheduling (UE) simultaneously, thereby raising user's transmission performance.For this class UE, its community separately, multiple base stations and scheduling configuration information need to be notified in base station.For the transfer of data of different base station scheduling, the configuration information using also can be different.
Multi-point cooperative transmission (Coordinated Multipoint Transmission/Reception, CoMP) technology refers to the cooperation between the multiple transfer points that separate on geographical position.In general, multiple transfer points are base stations of different districts, or multiple RRH(Remote Radio Head of same cell base station control).By the cooperation transmission between multiple transfer points, can effectively reduce the interference between different transfer points, improve the particularly throughput of cell edge UE of UE.Descending multi-point cooperative transmission technical scheme is mainly divided into two classes: cooperative scheduling/wave beam forming (CS/CB, cooperative scheduling/cooperativebeamforming) and Combined Treatment (Joint processing).
Cooperative scheduling is by the coordination of the time between transfer point, frequency and space resources, avoids or reduces interference each other.The interference of minizone is the principal element of restriction community marginal user performance, and therefore cooperative scheduling, by reducing the interference of minizone, can improve the performance of Cell Edge User.Combined Treatment scheme comprises the switching of dynamic transmission point and combines the two kinds of modes that send.During dynamic transmission point switches, base station can be switched the transfer point to user's transmitted signal dynamically, thereby selects optimum transfer point transmission data at every turn.Switch in order to realize dynamic transfer point, base station need to obtain by feedback channel the channel information of multiple optional communities, or obtains the channel information of optimal transmission point.In associating delivery plan, multiple transfer points send data to user simultaneously, receive signal to strengthen user, possible interference signal is converted into useful signal, thereby improves user's signal and interference and noise ratio (Signal to Interference plus Noise Ratio, SINR).
To the mainly prerequisite based on desirable backhaul of the research of CoMP technology, that is to say at present, can suppose that optical fiber connects between transfer point, the clog-free information interaction of carrying out of milli, does not need to consider backhaul time delay and holds quantitative limitation.Now, the A/N of user feedback and channel condition information (Channel State Information corresponding to each transfer point, CSI) can concentrate on the base station of Serving cell and carry out Combined Treatment and scheduling, the data and the schedule information that then according to scheduling result, needs are sent are notified to other each cooperation points.This desirable be the prerequisite of carrying out above-described various cooperative transmission technology alternately, so this class cooperation is generally all to carry out between the transfer point in multiple minizones or a macro base station coverage area of same BTS management.If but cooperative transmission is to carry out, in fact the backhaul between base station can not ensure it is desirable, probably there is larger propagation delay time and capacity limit between different base station.Now, the information of mutual all needs in time between base station, particularly Combined Treatment technology of above-described cooperative transmission technology, will be difficult to carry out.In this scene, need to consider some other cooperative transmission technology, so that user still can obtain the gain of multipoint cooperative, this class cooperative transmission technology is called " inter-eNodeB CoMP ", is wherein relatively typically multi-flow multi-process transmission technology.
Descending multi-flow transmission plan allows multiple base stations to dispatch independently a user simultaneously, thereby improve user's transmission performance, and the resource utilization of each community, dispatched users is carried out with resource and configuration information separately in its basic skills Shi Liangge community, and user detects and respective feedback the schedule information of multiple communities and transmission data simultaneously.The roughly flow process of this scheme is as follows:
Serving BS determines that user uses the transmission plan of multi-flow, and between base station the information of interactive user and each base station;
Between each base station, carry out user data distribution;
User's scheduling is independently carried out in each base station;
User detects the control channel of each process and corresponding transfer of data respectively in a subframe, and measures the channel information of each base station, feedback CSI information and A/N information.
Each base station receives from user's confirmation (ACK) and CSI feedback, and independently carries out mixed automatic retransfer (HARQ, Hybrid-ARQ) and control;
Wherein, the link that descending control/transfer of data is carried out to user respectively in each base station is called a transmission process (corresponding to an arrow in figure).Bring in from user, a process is just corresponding to a down control channel and downstream data channel; Bring in from base station, a process is just corresponding to Yi Ge community.In the base station that participates in cooperating, the base station at place, user attaching community is called serving BS or Serving cell, and the base station of cooperation is called cooperative base station or cooperation cell with it, is co-operating relations between these base stations.Base station/the community of cooperation can have one or more, is typically and only has a cooperative base station end situation.Generally, user by down control channel corresponding to multiple base stations carried out to blind check, to obtain multiple base stations schedule information separately, thereby detects the downlink data of multiple base-station transmissions respectively according to schedule information respectively.
In sum, prior art scheme cannot be supported the transfer of data of multiple processes, and, in prior art, only have a process to adopt independently control channel configuration parameter and transformation parameter at every turn.
Summary of the invention
The embodiment of the present invention provides a kind of data transmission method and device, cannot support the problem of the transfer of data of multiple processes in order to solve prior art, realize in the transfer of data of multi-process, different processes can adopt different control channel configuration parameter and set of transmission parameters, make UE obtain control channel configuration parameter and set of transmission parameters by different modes, and the channel different with transformation parameter group demodulation according to control channel configuration parameter.
A kind of data transmission method that the embodiment of the present invention provides comprises:
Receive the control channel configuration information of each data-transfer process, receive the correspondence relationship information of multiple set of transmission parameters and set of transmission parameters and scheduling relevant information;
According to the control channel configuration information of each data-transfer process, on control channel corresponding to each data-transfer process, detect schedule information respectively;
According to the schedule information detecting and described set of transmission parameters and the correspondence relationship information of dispatching relevant information, determine the set of transmission parameters corresponding to data-transfer process of current scheduling;
Receive and detect the data corresponding to data-transfer process of current scheduling according to set of transmission parameters corresponding to the data-transfer process of the schedule information detecting and current scheduling.
A kind of data transmission method that the embodiment of the present invention provides comprises:
Determine the correspondence relationship information of the control channel configuration information of each data-transfer process, multiple set of transmission parameters and set of transmission parameters and scheduling relevant information;
The control channel configuration information of each data-transfer process is notified to user equipment (UE), the correspondence relationship information of multiple set of transmission parameters and set of transmission parameters and scheduling relevant information is notified to UE, so that UE determines respectively the set of transmission parameters corresponding to data-transfer process of described current scheduling according to the schedule information detecting on control channel corresponding to the data-transfer process of current scheduling;
According to the set of transmission parameters corresponding to data-transfer process of the control channel configuration information of the data-transfer process of current scheduling and current scheduling, the control channel corresponding by the data-transfer process of current scheduling sends data to UE.
A kind of data transmission device that the embodiment of the present invention provides, comprising:
Receiving element, for receiving the control channel configuration information of each data-transfer process, receives the correspondence relationship information of multiple set of transmission parameters and set of transmission parameters and scheduling relevant information;
Detect schedule information unit, for according to the control channel configuration information of each data-transfer process, on control channel corresponding to each data-transfer process, detect schedule information respectively;
Set of transmission parameters determining unit, for according to the schedule information detecting and described set of transmission parameters and the correspondence relationship information of dispatching relevant information, determines the set of transmission parameters corresponding to data-transfer process of current scheduling;
Data Detection unit, for receiving and detect the data corresponding to data-transfer process of current scheduling according to the set of transmission parameters corresponding to data-transfer process of the schedule information detecting and current scheduling.
A kind of data transmission device that the embodiment of the present invention provides, comprising:
Determining unit, for determining control channel configuration information, multiple set of transmission parameters and the set of transmission parameters of each data-transfer process and the correspondence relationship information of scheduling relevant information;
Notification unit, for the control channel configuration information of each data-transfer process is notified to user equipment (UE), the correspondence relationship information of multiple set of transmission parameters and set of transmission parameters and scheduling relevant information is notified to UE, so that UE determines respectively the set of transmission parameters corresponding to data-transfer process of described current scheduling according to the schedule information detecting on control channel corresponding to the data-transfer process of current scheduling;
Data transmission unit, for according to the set of transmission parameters corresponding to data-transfer process of the control channel configuration information of the data-transfer process of current scheduling and current scheduling, the control channel corresponding by the data-transfer process of current scheduling sends data to UE.
The embodiment of the present invention, receives the control channel configuration information of each data-transfer process, receives the correspondence relationship information of multiple set of transmission parameters and set of transmission parameters and scheduling relevant information; According to the control channel configuration information of each data-transfer process, on control channel corresponding to each data-transfer process, detect schedule information respectively; According to the schedule information detecting and described set of transmission parameters and the correspondence relationship information of dispatching relevant information, determine the set of transmission parameters corresponding to data-transfer process of current scheduling; Receive and detect the data corresponding to data-transfer process of current scheduling according to set of transmission parameters corresponding to the data-transfer process of the schedule information detecting and current scheduling, thereby solution prior art cannot be supported the problem of the transfer of data of multiple processes, realize in the transfer of data of multi-process, different processes can adopt different control channel configuration parameter and set of transmission parameters, make UE obtain control channel configuration parameter and set of transmission parameters by different modes, and the channel different with transformation parameter group demodulation according to control channel configuration parameter.
Brief description of the drawings
The schematic flow sheet of a kind of data transmission method that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of a kind of data transmission method that Fig. 2 provides for the embodiment of the present invention;
The structural representation of a kind of data transmission device that Fig. 3 provides for the embodiment of the present invention;
The structural representation of a kind of data transmission device that Fig. 4 provides for the embodiment of the present invention.
Embodiment
In order correctly to carry out the detection of the corresponding control channel of each process and data channel, user need to know the transformation parameter configuration information (comprising control channel configuration parameter and set of transmission parameters) of respective cell, each base station.In order to ensure that user can correctly detect control channel and the data channel of each base station, transformation parameter configuration information need to just be notified user before transmission starts, and needs to configure respectively for each possible transmission process.Therefore, the embodiment of the present invention provides a kind of data transmission method and device, cannot support the problem of the transfer of data of multiple processes in order to solve prior art, realize in the transfer of data of multi-process, different processes can adopt different control channel configuration parameter and set of transmission parameters, make UE obtain control channel configuration parameter and set of transmission parameters by different modes, and the channel different with transformation parameter group demodulation according to control channel configuration parameter.
In the embodiment of the present invention, UE is down control channel corresponding to the each base station of blind check respectively, the default set of transmission parameters corresponding according to the control channel that schedule information detected, or the transformation parameter indication information in the schedule information obtaining according to detection, obtain transformation parameter corresponding to transfer of data of dispatching each base station, thereby carry out Data Detection.
The technical scheme embodiment of the present invention being provided below in conjunction with accompanying drawing describes.
In base station side, referring to Fig. 1, a kind of data transmission method that the embodiment of the present invention provides, comprising:
The correspondence relationship information of S101, the control channel configuration information of determining each data-transfer process, multiple set of transmission parameters and set of transmission parameters and scheduling relevant information;
Wherein, scheduling relevant information can be for detecting the control channel of schedule information, also can be the transformation parameter indication information in schedule information, described set of transmission parameters can be specially with the correspondence relationship information of scheduling relevant information: the correspondence relationship information of set of transmission parameters and control channel, or the correspondence relationship information of transformation parameter indication information in set of transmission parameters and schedule information.
S102, the control channel configuration information of each data-transfer process is notified to user equipment (UE), the correspondence relationship information of multiple set of transmission parameters and set of transmission parameters and scheduling relevant information is notified to UE, so that UE determines respectively the set of transmission parameters corresponding to data-transfer process of described current scheduling according to the schedule information detecting on control channel corresponding to the data-transfer process of current scheduling;
UE is according to schedule information control channel being detected, and the correspondence relationship information of set of transmission parameters and control channel, determines corresponding set of transmission parameters; Or, base station notifies the schedule information of each process to UE, wherein, in the schedule information of each process, comprise transformation parameter indication information, this transformation parameter indication information is used to indicate set of transmission parameters corresponding to this process, UE is according to transformation parameter indication information, and the correspondence relationship information of set of transmission parameters and transformation parameter indication information, determines corresponding set of transmission parameters.
In the present invention, can preserve set of transmission parameters and the correspondence relationship information of dispatching relevant information in base station and UE in advance, or base station is notified set of transmission parameters and the correspondence relationship information of scheduling relevant information to UE in advance.
S103, according to the set of transmission parameters corresponding to data-transfer process of the control channel configuration information of the data-transfer process of current scheduling and current scheduling, the control channel corresponding by the data-transfer process of current scheduling sends schedule information, and sends data by corresponding data channel to UE.
Preferably, determine the control channel configuration information of each data-transfer process, comprising:
Control channel configuration information using the control channel configuration information of each community of participation collaboration data transmission as data-transfer process corresponding to this community.
Control channel described in the embodiment of the present invention can be PDCCH or ePDCCH.For example,, if the information such as control channel is PDCCH, and control channel configuration information can comprise community ID, PDCCH symbolic number; If control channel is ePDCCH, control channel configuration information can comprise that ePDCCH resource location, resource primary sign, DMRS port, DMRS serial ID, ePDCCH are with information such as location instructions.
Preferably, the control channel configuration information of described each data-transfer process and multiple set of transmission parameters by same instruction field notice to UE.
Every group of transformation parameter, can comprise a transformation parameter, also can comprise multiple transformation parameters.
If each process is corresponding to one group of transformation parameter, the set of transmission parameters that the control channel configuration information of each process is corresponding with each process can together with indicate, for example can indicate by same instruction territory;
Wherein, the set of transmission parameters that the transformation parameter indication information comprising in the schedule information of different processes can be corresponding identical, set of transmission parameters that also can be corresponding different.Such as, suppose that the transformation parameter indication information comprising in the schedule information of each process takies 2 bits, there are 4 kinds of values, respectively corresponding 4 set of transmission parameters, 4 different transformation parameter indication information values of 4 of process 1 different transformation parameter indication information values and process 2 can correspond to 4 identical set of transmission parameters, now only need to configure 4 set of transmission parameters, be that different set of transmission parameters corresponding to process can be identical, also can correspond to different set of transmission parameters, now need to configure 8 set of transmission parameters, be different set of transmission parameters difference corresponding to process.
Preferably, each set of transmission parameters comprises one or more in following transformation parameter:
Resource Unit (Resource Element, RE) mapping configuration, specifically comprise the S of ZP CSIR configuration, public reference signal (Common Reference Signal, CRS) configuration and the information such as multicast single-frequency network (Multicast Broadcast Single Frequency Network, MBSFN) sub-frame configuration;
Antenna port, with location indication information, comprises and CSIR S configuration or the CRS configuration of physical down link sharing channel (Physical DownlinkShared Channel, PDSCH)/demodulated reference signal (DMRS) with location;
Transmission bandwidth indication information;
PDSCH scrambling mark (ID) indication information;
DMRS scramble sequence ID indication information;
Transfer of data corresponding A/N resource indication information;
Physical mixed automatic re-transmission indicating channel (ePHICH) resource indication information of physical mixed automatic re-transmission indicating channel (PHICH, Physical Hybrid-ARQ IndicatorChannel)/enhancing;
Survey by reference signal (Sounding Reference Signal, SRS) resource indication information used the aperiodic that control channel is corresponding.
In UE side, referring to Fig. 2, a kind of data transmission method that the embodiment of the present invention provides, comprising:
S201, receive the control channel configuration information of each data-transfer process, receive the correspondence relationship information of multiple set of transmission parameters and set of transmission parameters and scheduling relevant information;
User equipment (UE) receives control channel configuration information and the schedule information of each data-transfer process, according to the control channel at the schedule information place detecting, and the correspondence relationship information of set of transmission parameters and scheduling relevant information, determine the set of transmission parameters corresponding to data-transfer process of current scheduling; Or, receive control channel configuration information and the schedule information of each data-transfer process, wherein, in the schedule information of each data-transfer process, comprise the transformation parameter indication information that is used to indicate set of transmission parameters corresponding to this data-transfer process;
S202, according to the control channel configuration information of each data-transfer process, on control channel corresponding to each data-transfer process, detect schedule information respectively;
S203, correspondence relationship information according to the schedule information that detects and described set of transmission parameters with scheduling relevant information, determine the set of transmission parameters corresponding to data-transfer process of current scheduling;
That is to say, UE is according to the control channel at the schedule information place detecting, and the correspondence relationship information of set of transmission parameters and scheduling relevant information, determine the set of transmission parameters corresponding to data-transfer process of current scheduling, the set of transmission parameters corresponding according to each process, obtains transformation parameter corresponding to transfer of data that the control channel of corresponding process is dispatched; Or, UE is according to the transformation parameter indication information comprising in the schedule information detecting in the control channel of each process, according to the transformation parameter indication information of the set of transmission parameters setting in advance and the correspondence relationship information of set of transmission parameters, determine corresponding set of transmission parameters, obtain set of transmission parameters corresponding to transfer of data that the control channel of corresponding process is dispatched;
S204, receive and detect the data corresponding to data-transfer process of current scheduling according to the set of transmission parameters corresponding to data-transfer process of the schedule information that detects and current scheduling.
Preferably, described scheduling relevant information is specially the control channel that schedule information detected;
The correspondence relationship information of the schedule information that described basis detects and described set of transmission parameters and scheduling relevant information, determine and specifically comprise the set of transmission parameters corresponding to data-transfer process of current scheduling:
According to the control channel at the schedule information place detecting, and the correspondence relationship information of set of transmission parameters and scheduling relevant information, determine the set of transmission parameters corresponding to data-transfer process of current scheduling.
Preferably, described scheduling relevant information is specially the transformation parameter indication information in schedule information;
The correspondence relationship information of the schedule information that described basis detects and described set of transmission parameters and scheduling relevant information, determine and specifically comprise the set of transmission parameters corresponding to data-transfer process of current scheduling:
Obtain the transformation parameter indication information comprising in described schedule information according to the schedule information detecting;
According to the correspondence relationship information of described transformation parameter indication information and described set of transmission parameters and transformation parameter indication information, determine the set of transmission parameters corresponding to data-transfer process of current scheduling.
Preferably, a described set of transmission parameters is used for a data-transfer process, or for multiple different data-transfer process.
Preferably, the control channel configuration information of described each data-transfer process and multiple set of transmission parameters are received and are obtained by the same instruction territory of network side.
Preferably, each set of transmission parameters comprises one or more in following transformation parameter:
Resource Unit RE mapping configuration;
Antenna port is with location indication information;
Transmission bandwidth indication information;
Physical down link sharing channel PDSCH scrambling mark indication information;
Demodulated reference signal DMRS scramble sequence mark indication information;
Corresponding positive acknowledgement/Negative Acknowledgement the resource indication information of transfer of data;
The physical mixed automatic re-transmission indicating channel ePHICH resource indication information of physical mixed automatic re-transmission indicating channel PHICH or enhancing;
Survey the resource indication information used with reference signal SRS the aperiodic that control channel is corresponding.
The scheme that the embodiment of the present invention provides can be for downlink data transmission, also can be for transmitting uplink data.
Provide the explanation of two specific embodiments below.
Embodiment 1:
Suppose the current cooperation multi-process transmission that has three base station participating users, community corresponding to three processes (process 1/2/3) is respectively Serving cell, cooperation cell 1 and cooperation cell 2.
Serving BS notifies user current in multi-process transmission mode and have three processes by high-level signaling;
The ePDCCH configuration information of serving BS using the ePDCCH configuration information of Serving cell and cooperation cell as each process is by RRC signaling user;
Serving BS is by 3 set of transmission parameters of RRC signaling user (set of transmission parameters 1/2/3), and each process is corresponding one by one with a set of transmission parameters;
User receives ePDCCH configuration information and the set of transmission parameters corresponding to each process of three processes;
User is according to the ePDCCH configuration information receiving, respectively the DCI schedule information in the ePDCCH of three processes of blind check;
User detects after the DCI schedule information in the ePDCCH of certain process, by the parameter in set of transmission parameters corresponding this process, is defined as the transfer of data transformation parameter used that this DCI schedule information is dispatched.Such as, DCI schedule information, the transformation parameter using the parameter in corresponding set of transmission parameters 1 as dispatched transfer of data are arrived in user's blind check in the ePDCCH of process 1;
User, according to the DCI schedule information of each process and determined transformation parameter, receives and detects the transfer of data of each process;
Embodiment 2:
Suppose the current cooperation multi-process transmission that has two base station participating users, community corresponding to two processes (process 1/2) is respectively Serving cell and cooperation cell.
Serving BS notifies user current in multi-process transmission mode and have two processes by high-level signaling;
The PDCCH configuration information of serving BS using the PDCCH configuration information of Serving cell and cooperation cell as each process is by RRC signaling user;
Serving BS is by 4 set of transmission parameters of RRC signaling user (set of transmission parameters 1/2/3/4), and the different values of the transformation parameter indication information comprising in the schedule information of a process correspond respectively to a set of transmission parameters.Suppose that the transformation parameter indication information comprising in the schedule information of each process has 2 bits, there are 4 values, can indicate 4 kinds of information, each value is corresponding to a set of transmission parameters (corresponding states is as following table), and set of transmission parameters corresponding to the indication information of two processes is identical.
User receives the PDCCH configuration information of two processes, and the indicated corresponding set of transmission parameters of state (totally 4 set of transmission parameters) of the transformation parameter indication information comprising in the schedule information of each process;
User is according to the PDCCH configuration information receiving, respectively the DCI schedule information in the PDCCH of two processes of blind check;
User detects after the DCI schedule information in the PDCCH of certain process, find indicated set of transmission parameters corresponding to state of transformation parameter indication information comprising in this DCI schedule information, by the parameter in this set of transmission parameters, be defined as the transfer of data transformation parameter used that this DCI schedule information is dispatched.Such as, DCI format2D information is arrived in user's blind check in the PDCCH of process 1, and the transformation parameter indication information value 01 comprising in DCI format2D information, the transformation parameter using the parameter in set of transmission parameters 2 corresponding in upper table as dispatched transfer of data;
User, according to the DCI schedule information of each process and determined transformation parameter, receives and detects the transfer of data of each process.
In UE side, referring to Fig. 3, a kind of data transmission device that the embodiment of the present invention provides, comprising:
Receiving element 11, for receiving the control channel configuration information of each data-transfer process, receives the correspondence relationship information of multiple set of transmission parameters and set of transmission parameters and scheduling relevant information;
Detect schedule information unit 12, for according to the control channel configuration information of each data-transfer process, on control channel corresponding to each data-transfer process, detect schedule information respectively;
Set of transmission parameters determining unit 13, for according to the schedule information detecting and described set of transmission parameters and the correspondence relationship information of dispatching relevant information, determines the set of transmission parameters corresponding to data-transfer process of current scheduling;
Data Detection unit 14, for receiving and detect the data corresponding to data-transfer process of current scheduling according to the set of transmission parameters corresponding to data-transfer process of the schedule information detecting and current scheduling.
Preferably, described scheduling relevant information is specially the control channel that schedule information detected;
Described set of transmission parameters determining unit 13, specifically for:
According to the control channel at the schedule information place detecting, and the correspondence relationship information of set of transmission parameters and scheduling relevant information, determine the set of transmission parameters corresponding to data-transfer process of current scheduling.
Preferably, described scheduling relevant information is specially the transformation parameter indication information in schedule information;
Described set of transmission parameters determining unit 13, specifically for:
Obtain the transformation parameter indication information comprising in described schedule information according to the schedule information detecting;
According to the correspondence relationship information of described transformation parameter indication information and described set of transmission parameters and transformation parameter indication information, determine the set of transmission parameters corresponding to data-transfer process of current scheduling.
Preferably, a described set of transmission parameters is used for a data-transfer process, or for multiple different data-transfer process.
Preferably, the control channel configuration information of described each data-transfer process and multiple set of transmission parameters are received and are obtained by the same instruction territory of network side.
Preferably, each set of transmission parameters comprises one or more in following transformation parameter:
Resource Unit RE mapping configuration;
Antenna port is with location indication information;
Transmission bandwidth indication information;
Physical down link sharing channel PDSCH scrambling mark indication information;
Demodulated reference signal DMRS scramble sequence mark indication information;
Corresponding positive acknowledgement/Negative Acknowledgement the resource indication information of transfer of data;
The physical mixed automatic re-transmission indicating channel ePHICH resource indication information of physical mixed automatic re-transmission indicating channel PHICH or enhancing;
Survey the resource indication information used with reference signal SRS the aperiodic that control channel is corresponding.
Referring to Fig. 4, in base station side, a kind of data transmission device that the embodiment of the present invention provides, comprising:
Determining unit 21, for determining control channel configuration information, multiple set of transmission parameters and the set of transmission parameters of each data-transfer process and the correspondence relationship information of scheduling relevant information;
Notification unit 22, for the control channel configuration information of each data-transfer process is notified to user equipment (UE), the correspondence relationship information of multiple set of transmission parameters and set of transmission parameters and scheduling relevant information is notified to UE, so that UE determines respectively the set of transmission parameters corresponding to data-transfer process of described current scheduling according to the schedule information detecting on control channel corresponding to the data-transfer process of current scheduling;
Data transmission unit 23, for according to the set of transmission parameters corresponding to data-transfer process of the control channel configuration information of the data-transfer process of current scheduling and current scheduling, the control channel corresponding by the data-transfer process of current scheduling sends data to UE.
Preferably, when described determining unit 21 is determined the control channel configuration information of each data-transfer process, specifically for:
Control channel configuration information using the control channel configuration information of each community of participation collaboration data transmission as data-transfer process corresponding to this community.
Preferably, described notification unit 22 by the control channel configuration information of each data-transfer process and multiple set of transmission parameters by same instruction field notice to UE.
In sum, the present invention proposes a kind of multi-process data transmission method and device, user is down control channel corresponding to the each base station of blind check respectively, the default set of transmission parameters corresponding according to the control channel that schedule information detected, or the transformation parameter indication information in the schedule information obtaining according to detection, obtain transformation parameter corresponding to transfer of data of dispatching each base station, thereby carry out Data Detection.The present invention can allow user know transformation parameter corresponding to each transmission process, thereby carries out corresponding Data Detection; Can support the dynamic switching of transfer point, user does not need to know the base station/community of current transmission data.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (20)
1. a data transmission method, is characterized in that, the method comprises:
Receive the control channel configuration information of each data-transfer process, receive the correspondence relationship information of multiple set of transmission parameters and set of transmission parameters and scheduling relevant information;
According to the control channel configuration information of each data-transfer process, on control channel corresponding to each data-transfer process, detect schedule information respectively;
According to the schedule information detecting and described set of transmission parameters and the correspondence relationship information of dispatching relevant information, determine the set of transmission parameters corresponding to data-transfer process of current scheduling;
Receive and detect the data corresponding to data-transfer process of current scheduling according to set of transmission parameters corresponding to the data-transfer process of the schedule information detecting and current scheduling.
2. the method for claim 1, is characterized in that, described scheduling relevant information is specially the control channel that schedule information detected;
The correspondence relationship information of the schedule information that described basis detects and described set of transmission parameters and scheduling relevant information, determine and specifically comprise the set of transmission parameters corresponding to data-transfer process of current scheduling:
According to the control channel at the schedule information place detecting, and the correspondence relationship information of set of transmission parameters and scheduling relevant information, determine the set of transmission parameters corresponding to data-transfer process of current scheduling.
3. method according to claim 1, is characterized in that, described scheduling relevant information is specially the transformation parameter indication information in schedule information;
The correspondence relationship information of the schedule information that described basis detects and described set of transmission parameters and scheduling relevant information, determine and specifically comprise the set of transmission parameters corresponding to data-transfer process of current scheduling:
Obtain the transformation parameter indication information comprising in described schedule information according to the schedule information detecting;
According to the correspondence relationship information of described transformation parameter indication information and described set of transmission parameters and transformation parameter indication information, determine the set of transmission parameters corresponding to data-transfer process of current scheduling.
4. method according to claim 3, is characterized in that, a described set of transmission parameters is used for a data-transfer process, or for multiple different data-transfer process.
5. method according to claim 1, is characterized in that, the control channel configuration information of described each data-transfer process and multiple set of transmission parameters are received and obtained by the same instruction territory of network side.
6. according to the method described in the arbitrary claim of claim 1-5, it is characterized in that, each set of transmission parameters comprises one or more in following transformation parameter:
Resource Unit RE mapping configuration;
Antenna port is with location indication information;
Transmission bandwidth indication information;
Physical down link sharing channel PDSCH scrambling mark indication information;
Demodulated reference signal DMRS scramble sequence mark indication information;
Corresponding positive acknowledgement/Negative Acknowledgement the resource indication information of transfer of data;
The physical mixed automatic re-transmission indicating channel ePHICH resource indication information of physical mixed automatic re-transmission indicating channel PHICH or enhancing;
Survey the resource indication information used with reference signal SRS the aperiodic that control channel is corresponding.
7. a data transmission method, is characterized in that, the method comprises:
Determine the correspondence relationship information of the control channel configuration information of each data-transfer process, multiple set of transmission parameters and set of transmission parameters and scheduling relevant information;
The control channel configuration information of each data-transfer process is notified to user equipment (UE), the correspondence relationship information of multiple set of transmission parameters and set of transmission parameters and scheduling relevant information is notified to UE, so that UE determines respectively the set of transmission parameters corresponding to data-transfer process of described current scheduling according to the schedule information detecting on control channel corresponding to the data-transfer process of current scheduling;
According to the set of transmission parameters corresponding to data-transfer process of the control channel configuration information of the data-transfer process of current scheduling and current scheduling, the control channel corresponding by the data-transfer process of current scheduling sends schedule information to UE, and sends data by corresponding data channel to UE.
8. method according to claim 7, is characterized in that, determines the control channel configuration information of each data-transfer process, comprising:
Control channel configuration information using the control channel configuration information of each community of participation collaboration data transmission as data-transfer process corresponding to this community.
9. method according to claim 8, is characterized in that, the control channel configuration information of described each data-transfer process and multiple set of transmission parameters by same instruction field notice to UE.
10. according to the method described in the arbitrary claim of claim 7-9, it is characterized in that, each set of transmission parameters comprises one or more in following transformation parameter:
Resource Unit RE mapping configuration;
Antenna port is with location indication information;
Transmission bandwidth indication information;
Physical down link sharing channel PDSCH scrambling mark indication information;
Demodulated reference signal DMRS scramble sequence mark indication information;
Corresponding positive acknowledgement/Negative Acknowledgement the resource indication information of transfer of data;
The physical mixed automatic re-transmission indicating channel ePHICH resource indication information of physical mixed automatic re-transmission indicating channel PHICH or enhancing;
Survey the resource indication information used with reference signal SRS the aperiodic that control channel is corresponding.
11. 1 kinds of data transmission devices, is characterized in that, this device comprises:
Receiving element, for receiving the control channel configuration information of each data-transfer process, receives the correspondence relationship information of multiple set of transmission parameters and set of transmission parameters and scheduling relevant information;
Detect schedule information unit, for according to the control channel configuration information of each data-transfer process, on control channel corresponding to each data-transfer process, detect schedule information respectively;
Set of transmission parameters determining unit, for according to the schedule information detecting and described set of transmission parameters and the correspondence relationship information of dispatching relevant information, determines the set of transmission parameters corresponding to data-transfer process of current scheduling;
Data Detection unit, for receiving and detect the data corresponding to data-transfer process of current scheduling according to the set of transmission parameters corresponding to data-transfer process of the schedule information detecting and current scheduling.
12. devices according to claim 11, is characterized in that, described scheduling relevant information is specially the control channel that schedule information detected;
Described set of transmission parameters determining unit, specifically for:
According to the control channel at the schedule information place detecting, and the correspondence relationship information of set of transmission parameters and scheduling relevant information, determine the set of transmission parameters corresponding to data-transfer process of current scheduling.
13. devices according to claim 11, is characterized in that, described scheduling relevant information is specially the transformation parameter indication information in schedule information;
Described set of transmission parameters determining unit, specifically for:
Obtain the transformation parameter indication information comprising in described schedule information according to the schedule information detecting;
According to the correspondence relationship information of described transformation parameter indication information and described set of transmission parameters and transformation parameter indication information, determine the set of transmission parameters corresponding to data-transfer process of current scheduling.
14. devices according to claim 13, is characterized in that, a described set of transmission parameters is used for a data-transfer process, or for multiple different data-transfer process.
15. devices according to claim 11, is characterized in that, the control channel configuration information of described each data-transfer process and multiple set of transmission parameters are received and obtained by the same instruction territory of network side.
16. according to the device described in the arbitrary claim of claim 11-15, it is characterized in that, each set of transmission parameters comprises one or more in following transformation parameter:
Resource Unit RE mapping configuration;
Antenna port is with location indication information;
Transmission bandwidth indication information;
Physical down link sharing channel PDSCH scrambling mark indication information;
Demodulated reference signal DMRS scramble sequence mark indication information;
Corresponding positive acknowledgement/Negative Acknowledgement the resource indication information of transfer of data;
The physical mixed automatic re-transmission indicating channel ePHICH resource indication information of physical mixed automatic re-transmission indicating channel PHICH or enhancing;
Survey the resource indication information used with reference signal SRS the aperiodic that control channel is corresponding.
17. 1 kinds of data transmission devices, is characterized in that, this device comprises:
Determining unit, for determining control channel configuration information, multiple set of transmission parameters and the set of transmission parameters of each data-transfer process and the correspondence relationship information of scheduling relevant information;
Notification unit, for the control channel configuration information of each data-transfer process is notified to user equipment (UE), the correspondence relationship information of multiple set of transmission parameters and set of transmission parameters and scheduling relevant information is notified to UE, so that UE determines respectively the set of transmission parameters corresponding to data-transfer process of described current scheduling according to the schedule information detecting on control channel corresponding to the data-transfer process of current scheduling;
Data transmission unit, for according to the set of transmission parameters corresponding to data-transfer process of the control channel configuration information of the data-transfer process of current scheduling and current scheduling, the control channel corresponding by the data-transfer process of current scheduling sends data to UE.
18. devices according to claim 17, is characterized in that, when described determining unit is determined the control channel configuration information of each data-transfer process, specifically for:
Control channel configuration information using the control channel configuration information of each community of participation collaboration data transmission as data-transfer process corresponding to this community.
19. devices according to claim 18, is characterized in that, described notification unit by the control channel configuration information of each data-transfer process and multiple set of transmission parameters by same instruction field notice to UE.
20. according to the device described in the arbitrary claim of claim 17-19, it is characterized in that, each set of transmission parameters comprises one or more in following transformation parameter:
Resource Unit RE mapping configuration;
Antenna port is with location indication information;
Transmission bandwidth indication information;
Physical down link sharing channel PDSCH scrambling mark indication information;
Demodulated reference signal DMRS scramble sequence mark indication information;
Corresponding positive acknowledgement/Negative Acknowledgement the resource indication information of transfer of data;
The physical mixed automatic re-transmission indicating channel ePHICH resource indication information of physical mixed automatic re-transmission indicating channel PHICH or enhancing;
Survey the resource indication information used with reference signal SRS the aperiodic that control channel is corresponding.
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