CN103297367A - Uplink data receiving processing method and device - Google Patents
Uplink data receiving processing method and device Download PDFInfo
- Publication number
- CN103297367A CN103297367A CN2012100410863A CN201210041086A CN103297367A CN 103297367 A CN103297367 A CN 103297367A CN 2012100410863 A CN2012100410863 A CN 2012100410863A CN 201210041086 A CN201210041086 A CN 201210041086A CN 103297367 A CN103297367 A CN 103297367A
- Authority
- CN
- China
- Prior art keywords
- data
- group
- user equipments
- handling
- carried out
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses an uplink data receiving processing method and device. The method comprises the steps that after received uplink data are subjected to OFDM processing, data of a first user equipment group and data of a second user equipment group are separated from the uplink data by equilibrium processing; following processing of the data of the first user equipment group and the data of the second user equipment group is divided into a plurality of processing procedures, a first processing procedure is carried out on the data of the first user equipment group, then a next processing procedure is carried out on the data of the first user equipment group, and meanwhile a previous processing procedure is carried out on the data of the second user equipment group, until all the processing procedures are carried out on the data of the first user equipment group and the data of the second user equipment group respectively, and physical layer data of the first user equipment group and physical layer data of the second user equipment group are obtained. According to the uplink data receiving processing method and device, the utilization rate of an inner hardware circuit of an LTE uplink receiver supporting a Turbo-SIC is improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of receiving handling method and device of upstream data.
Background technology
Develop rapidly along with mobile service, demand for mobile network's capacity is also increasing significantly, Long Term Evolution (LTE) has greatly improved the capacity of wireless communication system owing to adopted OFDM (OFDM) technology and multiple-input and multiple-output (MIMO) technology.But meanwhile, because the introduction of above-mentioned technology causes the realization of LTE receiver to be tending towards complicated.Especially under the wireless network environment of complexity, in order to solve the signal interference problem between the multi-user, introduced in the correlation technique and comprised: least square (LS), linear minimum mean-squared error (LMMSE) and serial interference elimination multiple receiving algorithms such as (Turbo-SIC), wherein, the Turbo-SIC algorithm is had relatively high expectations to real-time, and compare several algorithms commonly used in addition, its handling process is also comparatively complicated.
Fig. 1 is the schematic diagram according to the handling process of the LTE uplink receiver of correlation technique.As shown in Figure 1, the Base-Band Processing of the uplink receiver of LTE part can be divided into ofdm signal reception, channel estimating, equilibrium, inverse discrete Fourier transform (IDFT) usually, separate processing modules such as channel interleaving, demodulation descrambling and turbo decoder.Fig. 2 is the schematic diagram that carries out the Turbo-SIC processing according to the employing LTE uplink receiver of correlation technique.As shown in Figure 2, in Fig. 1, also need modules such as newly-increased scrambling modulation, channel interleaving, discrete Fourier transform (DFT) and Interference Cancellation on the basis of handling process.
Although the signal that adopts the Turbo-SIC processing can effectively reduce between the user disturbs, because present each communication chip manufacturer does not also have the commercial product of ripe support LTE Turbo-SIC.Therefore, based on above consideration, in the LTE of correlation technique communication system, how using the LTE uplink receiver of supporting Turbo-SIC that the upstream data that receives is handled is problem demanding prompt solution.
Summary of the invention
The invention provides a kind of receiving handling method and device of upstream data, to solve problem how to use the LTE uplink receiver of supporting Turbo-SIC that the upstream data that receives is handled in the correlation technique at least.
A kind of receiving handling method of upstream data is provided according to an aspect of the present invention.
Receiving handling method according to upstream data of the present invention comprises: after the upstream data that receives is carried out the orthogonal frequency division multiplex OFDM processing, from upstream data, isolate the data of first group of user equipments and the data of second group of user equipments by equilibrium treatment, wherein, first group of user equipments and second group of user equipments are the group of user equipments of matching mutually; The subsequent treatment of the data of first group of user equipments and second group of user equipments is divided into a plurality of handling processes, at first the data of first group of user equipments are carried out first handling process, then when the data of first group of user equipments are carried out next handling process, the data of second group of user equipments are carried out a last handling process, execute all handling processes up to data to first group of user equipments and second group of user equipments respectively, obtain the physical layer data of first group of user equipments and the physical layer data of second group of user equipments.
Preferably, after the data of the data of from upstream data, isolating first group of user equipments by equilibrium treatment and second group of user equipments, also comprise: when having idle IDFT nuclear in the inverse discrete Fourier transform IDFT nuclear formation of presetting, respectively the data of first group of user equipments and the data of second group of user equipments are carried out the IDFT processing.
Preferably, the data of first group of user equipments are carried out first handling process comprise: when having idle RAM in the default random access memory ram formation, the data of first group of user equipments after handling through IDFT are separated channel interleaving handle; To carrying out the demodulation scramble process through the data of separating first group of user equipments after channel interleaving is handled; To deciphering processing through the data of first group of user equipments after the demodulation scramble process.
Preferably, in that being carried out next handling process, the data of first group of user equipments comprise: exist in the formation of DFT nuclear when having idle RAM in idle DFT and the RAM sequence when default discrete fourier changes, the data of first group of user equipments after handling through decoding are carried out channel interleaving handle; Data to first group of user equipments after handling through channel interleaving are carried out the scrambling modulation treatment; Handle carrying out DFT through the data of first group of user equipments after the scrambling modulation treatment; Simultaneously, the data of second group of user equipments are carried out a last handling process comprise: when having idle RAM in the RAM formation, the data of second group of user equipments after handling through IDFT are separated channel interleaving handle; To carrying out the demodulation scramble process through the data of separating second group of user equipments after channel interleaving is handled; To deciphering processing through the data of second group of user equipments after the demodulation scramble process.
Preferably, in that being carried out next handling process, the data of first group of user equipments comprise: when having idle RAM in the RAM formation, the upstream data of data by first group of user equipments after handling through DFT before to equilibrium treatment carries out interference-cancellation process, obtains first and disturbs and eliminate data; Disturb the elimination data to carry out equilibrium treatment to first; Simultaneously, the data of second group of user equipments are carried out a last handling process to be comprised: when having the RAM that has the free time in idle DFT and the RAM sequence in the formation of DFT nuclear, the data of second group of user equipments after handling through decoding are carried out channel interleaving handle; Data to second group of user equipments after handling through channel interleaving are carried out the scrambling modulation treatment; Handle carrying out DFT through the data of second group of user equipments after the scrambling modulation treatment.
Preferably, in that being carried out next handling process, the data of first group of user equipments comprise: when having idle RAM in the RAM formation, disturb first and to eliminate data and carry out IDFT and handle; Disturbing the elimination data to separate channel interleaving to first after handling through IDFT handles; To carrying out the demodulation scramble process through the first interference elimination data of separating after channel interleaving is handled; To disturbing the elimination data to decipher processing through first after the demodulation scramble process, obtain the physical layer data of second group of user equipments; Simultaneously, the data of second group of user equipments are carried out a last handling process to be comprised: when having idle RAM in the RAM formation, by the data of second group of user equipments after handling through DFT, the upstream data before the equilibrium treatment is carried out interference-cancellation process, obtain second and disturb the elimination data; Disturb the elimination data to carry out equilibrium treatment to second.
Preferably, after the second interference elimination data were carried out equilibrium treatment, said method also comprised: when having idle RAM in the RAM formation, disturb the elimination data to carry out the IDFT processing to second; Disturbing the elimination data to separate channel interleaving to second after handling through IDFT handles; To carrying out the demodulation scramble process through the second interference elimination data of separating after channel interleaving is handled; To disturbing the elimination data to decipher processing through second after the demodulation scramble process, obtain the physical layer data of first group of user equipments.
Preferably, before the data of the data of isolating first group of user equipments by equilibrium treatment from upstream data and second group of user equipments, said method also comprises: first group of user equipments and second group of user equipments are merged into a virtual subdistrict group.
According to a further aspect in the invention, provide a kind of receiving and processing device of upstream data,
Receiving and processing device according to upstream data of the present invention comprises: the OFDM module is used for that the upstream data that receives is carried out OFDM and handles; Balance module, be used for after upstream data is handled through OFDM, from upstream data, isolate the data of the data of first group of user equipments and second group of user equipments and export buffer memory to by equilibrium treatment, wherein, first group of user equipments and second group of user equipments are the group of user equipments of matching mutually; Processing module, be used for the subsequent treatment of the data of first group of user equipments and second group of user equipments is divided into a plurality of handling processes, at first the data of first group of user equipments are carried out first handling process, then when the data of first group of user equipments are carried out next handling process, the data of second group of user equipments are carried out a last handling process, execute all handling processes up to data to first group of user equipments and second group of user equipments respectively, obtain the physical layer data of first group of user equipments and the physical layer data of second group of user equipments.
Preferably, said apparatus also comprises: inverse discrete Fourier transform IDFT module is used for respectively the data of first group of user equipments and the data of second group of user equipments being carried out the IDFT processing and being exported buffer memory to.
Preferably, above-mentioned processing module comprises: separate the channel interleaving module, be used for that the data of first group of user equipments after handling through IDFT are separated channel interleaving and handle; The demodulation descrambling module is used for carrying out the demodulation scramble process through the data of separating first group of user equipments after channel interleaving is handled; Decoding module is used for handling and export to buffer memory to deciphering through the data of first group of user equipments after the demodulation scramble process.
Preferably, above-mentioned processing module also comprises: the channel interleaving module is used for that the data of first group of user equipments after handling through decoding are carried out channel interleaving and handles; The scrambling modulation module is used for the data of first group of user equipments after handling through channel interleaving are carried out the scrambling modulation treatment; Discrete fourier changes the DFT module, is used for handling and export to buffer memory to carrying out DFT through the data of first group of user equipments after the scrambling modulation treatment; Separate the channel interleaving module, be used for that also the data of second group of user equipments after handling through IDFT are separated channel interleaving and handle; The demodulation descrambling module also is used for carrying out the demodulation scramble process through the data of separating second group of user equipments after channel interleaving is handled; Decoding module also is used for handling and export to buffer memory to deciphering through the data of second group of user equipments after the demodulation scramble process.
Preferably, above-mentioned processing module also comprises: the Interference Cancellation module, and be used for data by first group of user equipments after handling through the DFT upstream data before to equilibrium treatment and carry out interference-cancellation process, obtain first and disturb and eliminate data; Balance module also is used for disturbing the elimination data to carry out equilibrium treatment and export buffer memory to first; The channel interleaving module is used for that also the data of second group of user equipments after handling through decoding are carried out channel interleaving and handles; The scrambling modulation module also is used for the data of second group of user equipments after handling through channel interleaving are carried out the scrambling modulation treatment; The DFT module also is used for handling and export to buffer memory to carrying out DFT through the data of second group of user equipments after the scrambling modulation treatment.
Preferably, above-mentioned IDFT module also is used for disturbing the elimination data to carry out IDFT to first and handles; Separate the channel interleaving module, also separate the channel interleaving processing for data are eliminated in first interference after handling through IDFT; The demodulation descrambling module is used for that also data are eliminated in first interference after channel interleaving is handled through solution and carries out the demodulation scramble process; Decoding module also is used for eliminating data and deciphering processing disturbing through first after the demodulation scramble process, obtains the physical layer data of second group of user equipments and reports; The Interference Cancellation module also is used for the data by second group of user equipments after handling through DFT, and the upstream data before the equilibrium treatment is carried out interference-cancellation process, obtains second interference and eliminates data; Balance module also is used for disturbing the elimination data to carry out equilibrium treatment and export buffer memory to second.
Preferably, above-mentioned IDFT module also is used for disturbing the elimination data to carry out IDFT to second and handles; Separate the channel interleaving module, also separate the channel interleaving processing for data are eliminated in second interference after handling through IDFT; The demodulation descrambling module is used for that also data are eliminated in second interference after channel interleaving is handled through solution and carries out the demodulation scramble process; Decoding module also is used for eliminating data and deciphering processing disturbing through second after the demodulation scramble process, obtains the physical layer data of first group of user equipments and reports.
By the present invention, at first, the upstream data that the LTE uplink receiver of supporting Turbo-SIC is received carries out the OFDM processing; Secondly, will be through the upstream data of OFDM processing by equilibrium treatment with the data of isolating first group of user equipments and the data of second group of user equipments; Then, the subsequent treatment of the data of first group of user equipments and second group of user equipments is divided into a plurality of handling processes, the data of the data of first group of user equipments and second group of user equipments are carried out each handling process successively according to precedence, all execute all handling processes until the data of first group of user equipments and the data of second group of user equipments, finally obtain the physical layer data of the physical layer data of first group of user equipments and second group of user equipments and report, solved problem how to use the LTE uplink receiver of supporting Turbo-SIC that the upstream data that receives is handled in the correlation technique, and then improved the utilance of the LTE uplink receiver internal hardware circuit of existing support Turbo-SIC, save the power consumption of receiver, reduced the hardware and software cost of receiver.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the handling process of the LTE uplink receiver of correlation technique;
Fig. 2 is the schematic diagram that carries out the Turbo-SIC processing according to the employing LTE uplink receiver of correlation technique;
Fig. 3 is the flow chart according to the receiving handling method of the upstream data of the embodiment of the invention;
Fig. 4 is the flow chart of the receiving handling method of upstream data according to the preferred embodiment of the invention;
Fig. 5 is the structured flowchart according to the receiving and processing device of the upstream data of the embodiment of the invention;
Fig. 6 is the structured flowchart of the receiving and processing device of upstream data according to the preferred embodiment of the invention; And
Fig. 7 is the schematic diagram of the receiving and processing device course of work of upstream data according to the preferred embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Fig. 3 is the flow chart according to the receiving handling method of the upstream data of the embodiment of the invention.As shown in Figure 3, this method mainly comprises following processing:
Step S302: the upstream data that receives is carried out after OFDM handles, from upstream data, isolate the data of first group of user equipments and the data of second group of user equipments by equilibrium treatment, wherein, first group of user equipments and second group of user equipments are the group of user equipments of matching mutually;
Step S304: the subsequent treatment of the data of first group of user equipments and second group of user equipments is divided into a plurality of handling processes, at first the data of first group of user equipments are carried out first handling process, then when the data of first group of user equipments are carried out next handling process, the data of second group of user equipments are carried out a last handling process, execute all handling processes up to data to first group of user equipments and second group of user equipments respectively, obtain the physical layer data of first group of user equipments and the physical layer data of second group of user equipments.
In the correlation technique, lack solution how to use the problem that the LTE uplink receiver of supporting Turbo-SIC handles the upstream data that receives.Adopt method as shown in Figure 3, the LTE of Turbo-SIC uplink receiver carries out the OFDM processing to upstream data after, by equilibrium treatment with the data of first group of user equipments and the data separating of second group of user equipments, owing in subsequent processes, comprise a plurality of handling processes, and same flow process only can be handled the data of one of them subscriber equipment at synchronization, therefore, second group of user equipments and second group of user equipments need to carry out each handling process successively according to sequencing, when the data of first group of user equipments are carried out next handling process, the data of second group of user equipments are carried out a last handling process, execute all handling processes up to data to first group of user equipments and second group of user equipments respectively, finally obtain the physical layer data of the physical layer data of first group of user equipments and second group of user equipments and report.Solved the problem that the LTE uplink receiver of what use support Turbo-SIC is handled the upstream data that receives in the correlation technique thus, and then improved the utilance of the LTE uplink receiver internal hardware circuit of existing support Turbo-SIC, accelerated to support the LTE uplink receiver of Turbo-SIC to the processing speed of upstream data.
In a preferred embodiment, can be by different configurations, realization to the up single single output of input of LTE (SISO)/single many outputs of input (SIMO), multiple-input and multiple-output (MIMO) etc. the support of several scenes, and can be implemented in mixing under above-mentioned each scene and receive and handle.In this preferred embodiment, by the method for LTE uplink receiver realization Turbo-SIC algorithm, other receiving algorithms of compatible SISO/SIMO and multi-user's multiple-input and multiple-output (MU-MIMO) simultaneously.This preferred embodiment is under the prerequisite that does not influence systematic function, and the method for data reconstruction is provided when providing a kind of LTE uplink receiver to use the Turbo-SIC algorithm.Save area and power consumption is considered based on hardware, when increasing Turbo-SIC and handle, the hardware handles unit shown in multiplexing as much as possible Fig. 1 and Fig. 2.
In preferred implementation process, before the data of the data of isolating first group of user equipments by equilibrium treatment from upstream data and second group of user equipments, said method can further include: first group of user equipments and second group of user equipments are merged into a virtual subdistrict group.
In a preferred embodiment, first group of user equipments and second group of user equipments are merged into a virtual subdistrict group can increase the multiplexing of hardware circuit in the LTE uplink receiver of supporting Turbo-SIC, improved in the correlation technique, when the upstream data of first group of user equipments and the transmission of second group of user equipments is handled, need to handle earlier after the data of one of them subscriber equipment, in the data of handling another subscriber equipment successively, the hardware circuit utilance is low, the defective that processing speed is slow can be handled first group of user equipments and second group of user equipments simultaneously jointly.
Preferably, at step S302, isolate from upstream data by equilibrium treatment after the data of the data of first group of user equipments and second group of user equipments, can also comprise:
Step S1: when having idle IDFT nuclear in the IDFT nuclear formation of presetting, respectively the data of first group of user equipments and the data of second group of user equipments are carried out the IDFT processing.
Preferably, in step S304, the data of first group of user equipments are carried out first handling process can comprise following processing:
When having idle RAM in the default RAM formation,
Step S2: the data of first group of user equipments after handling through IDFT are separated channel interleaving handle;
Step S3: to carrying out the demodulation scramble process through the data of separating first group of user equipments after channel interleaving is handled;
Step S4: to deciphering processing through the data of first group of user equipments after the demodulation scramble process.
Preferably, in step S304, in that being carried out next handling process, the data of first group of user equipments can comprise following operation:
When having the RAM that has the free time in idle DFT and the RAM sequence in the formation of DFT nuclear,
Step S5: the data of first group of user equipments after handling through decoding are carried out channel interleaving handle;
Step S6: the data to first group of user equipments after handling through channel interleaving are carried out the scrambling modulation treatment;
Step S7: change the DFT processing to carry out discrete fourier through the data of first group of user equipments after the scrambling modulation treatment;
Simultaneously, the data of second group of user equipments are carried out a last handling process and can comprise following operation:
When having idle RAM in the RAM formation,
Step S2: the data of second group of user equipments after handling through IDFT are separated channel interleaving handle;
Step S3: to carrying out the demodulation scramble process through the data of separating second group of user equipments after channel interleaving is handled;
Step S4: to deciphering processing through the data of second group of user equipments after the demodulation scramble process.
Preferably, in step S304, in that being carried out next handling process, the data of first group of user equipments can comprise following operation:
When having idle RAM in the RAM formation,
Step S8: the upstream data of the data by first group of user equipments after handling through DFT before to equilibrium treatment carries out interference-cancellation process, obtains first and disturbs and eliminate data;
Step S9: disturb the elimination data to carry out equilibrium treatment to first;
Simultaneously, the data of second group of user equipments are carried out a last handling process and can comprise following operation:
When having the RAM that has the free time in idle DFT and the RAM sequence in the formation of DFT nuclear,
Step S5: the data of second group of user equipments after handling through decoding are carried out channel interleaving handle;
Step S6: the data to second group of user equipments after handling through channel interleaving are carried out the scrambling modulation treatment;
Step S7: handle carrying out DFT through the data of second group of user equipments after the scrambling modulation treatment.
Preferably, in step S304, in that being carried out next handling process, the data of first group of user equipments can comprise following processing:
When having idle RAM in the RAM formation,
Step S1: disturb the elimination data to carry out IDFT to first and handle;
Step S2: disturb the elimination data to separate channel interleaving to first after handling through IDFT and handle;
Step S3: to carrying out the demodulation scramble process through the first interference elimination data of separating after channel interleaving is handled;
Step S4: to disturbing the elimination data to decipher processing through first after the demodulation scramble process, obtain the physical layer data of second group of user equipments;
Simultaneously, the data of second group of user equipments are carried out a last handling process and can comprise following processing:
When having idle RAM in the RAM formation,
Step S8: by the data of second group of user equipments after handling through DFT, the upstream data before the equilibrium treatment is carried out interference-cancellation process, obtain second and disturb the elimination data;
Step S9: disturb the elimination data to carry out equilibrium treatment to second.
Preferably, in step S304, after the second interference elimination data were carried out equilibrium treatment, said method can also comprise following processing:
When having idle RAM in the RAM formation,
Step S1: disturb the elimination data to carry out IDFT to second and handle;
Step S2: disturb the elimination data to separate channel interleaving to second after handling through IDFT and handle;
Step S3: to carrying out the demodulation scramble process through the second interference elimination data of separating after channel interleaving is handled;
Step S4: to disturbing the elimination data to decipher processing through second after the demodulation scramble process, obtain the physical layer data of first group of user equipments.
Below in conjunction with preferred embodiment shown in Figure 4 above-mentioned preferred implementation process is further described.
Fig. 4 is the flow chart of the receiving handling method of upstream data according to the preferred embodiment of the invention.As shown in Figure 4, this handling process can comprise following treatment step:
In the preferred embodiment, current treatment system can be LTE Frequency Division Duplexing (FDD) (FDD) system, user's number can be 5, be U1, U2, U3, U4 and U5 successively, these five users belong to different residential quarters respectively, and for example: U1 belongs to residential quarter 0, U2 and belongs to that residential quarter 1, U3 belong to residential quarter 2, U4 belongs to residential quarter 3 and U5 belongs to residential quarter 4.Wherein, the shared bandwidth of U1 is 50 Resource Block (RB), adopts the working method of SIMO; U2 and U3 pairing, shared bandwidth is respectively 25RB, adopts the working method of MU-MIMO, and receiving algorithm is LMMSE; U4 and U5 pairing, shared bandwidth is respectively 25RB, adopts the working method of MU-MIMO, and receiving algorithm is Turbo-SIC.The LTE uplink receiver adopts 4 antennas to receive the upstream data that above-mentioned user sends, modulation system is 64QAM, Cyclic Prefix (CP) type is normal CP, no sounding pilot signal, no physics uplink control channel (PUCCH), UCI is arranged, and wherein, this UCI can comprise: spatial moment rank of matrix (RI), channel quality indication (CQI)/precoding codebook indication (PMI) and acknowledgement indicator position (ACK).
Step S402:LTE uplink receiver is buffer memory after the baseband I Q data of 4 antennas that receive the RRU transmission, after the OFDM demodulation process, pilot signal on symbol 3 and 10 is carried out the measurement of correlation of channel estimating and physical layer, and with the channel estimation value that estimates the Data Position of other symbol is finished channel estimating;
Step S404: 5 users are merged into the virtual subdistrict group of a 20M, detect in current random asccess memory (RAM) formation whether idle RAM resource is arranged, if having, continue execution in step S406; If no, then continue to wait for;
Need to prove, can realize time division multiplexing in order to make to each module shown in Fig. 1 and Fig. 2, in a preferred embodiment of the invention, before the Turbo decoding module, in the front and back of DFT/IDFT module and after balance module, be provided with buffer memory RAM, so that the multi-user can serial use each reuse module, wherein, in the hardware circuit of former receiver, only before the Turbo decoding module and after the IDFT module, there is the buffer memory RAM of deinterleaving processing.Therefore, need plan the use of RAM again, wherein, the size of RAM can be the data volume size of a LTE 20M bandwidth, and the specification of each RAM is the same.
In the preferred embodiment, adopt the queue management method of a kind of RAM, can be by independent RAM resource management module being set so that above-mentioned RAM is carried out unified management, wherein, all RAM are ranked, the flag information that whether has been used according to each RAM and the function of the current support of this RAM manage each RAM.If the RAM resource is occupied always, show that then the serial process operation of certain reusable module just is in operation, needs are carried out subsequent operation after waiting for that correlation module disposes again.So both can reduce the complexity of scheduling, and can in the process that follow-up capacity promotes, only need need not change other module by the quantity that increases RAM and realize correlation function again.
Step S406: channel estimation value and IQ data are sent into balance module, balance module is dispatched according to UE, use the correlation reception algorithm to obtain 5 user's data, in 5 user's data buffer memory to 2 block RAMs, wherein, with U1, U2, U4 leaves in wherein in the block RAM, and with U3, U5 leaves in another block RAM;
Step S408: detect in the current IDFT/DFT nuclear formation whether idle IDFT/DFT nuclear resource is arranged, if having, then continue execution in step S410; If no, then continue to wait for;
In a preferred embodiment, because the bottleneck that current system capacity promotes is the IDFT/DFT module, the data handling procedure of all UE all needs through above-mentioned module, therefore, also can adopt the way to manage of formation to manage for the DFT/IDFT module, in follow-up handling process, only need increase the DFT/IDFT module simply just can be so that the disposal ability of system be promoted, and then increases the capacity of system.
Step S410: carry out 5 users' IDFT conversion successively, the result is deposited get back among the RAM that uses before;
Step S412: successively U1, U2 and U3 serial are separated channel interleaving processing, demodulation scramble process, UCI dissection process and Turbo decoding processing, and the result after will handling reports;
Step S414: whether in current RAM formation have idle RAM resource, if having, then continue execution in step S416 if detecting; If no, then continue to wait for;
Step S416: the solution channel interleaving, demodulation descrambling, UCI of carrying out U4 is resolved and Turbo decoding is handled, and with the decode results buffer memory to RAM;
Step S418: whether in current RAM and IDFT/DFT nuclear formation have idle RAM and IDFT/DFT nuclear, if having, then continue execution in step S420 if detecting; If no, then continue to wait for;
Simultaneously, whether in current RAM formation have idle RAM resource, if having, then continue execution in step S420 if detecting; If no, then continue to wait for;
Step S420: channel interleaving, the scrambling modulation and the DFT that carry out U4 handle, with the result buffer memory to RAM; Simultaneously, the solution channel interleaving, demodulation descrambling, UCI of carrying out U5 is resolved and Turbo decoding is handled, and with the decode results buffer memory to RAM;
Step S422: whether in current RAM formation have idle RAM resource, if having, then continue execution in step S424 if detecting; If no, then continue to wait for;
Simultaneously, detect whether idle RAM and IDFT/DFT nuclear are arranged in the formation of current RAM and IDFT/DFT nuclear, if any, execution in step S424 then continued; If no, then continue to wait for;
Step S424: carry out Interference Cancellation and the equilibrium treatment of U4, with the result buffer memory to RAM; Simultaneously, channel interleaving, the scrambling modulation and the DFT that carry out U5 handle, with the result buffer memory to RAM;
Step S426: carry out solution channel interleaving, demodulation descrambling and the Turbo decoding of U4, obtain final result and report; Simultaneously, whether in current RAM formation have idle RAM resource, if having, then continue execution in step S428 if detecting; If no, then continue to wait for;
Step S428: carry out Interference Cancellation and the equilibrium treatment of U5, with the result buffer memory to RAM;
Step S430: carry out solution channel interleaving, demodulation descrambling and the Turbo decoding of U5, obtain final result and report.
Fig. 5 is the structured flowchart according to the receiving and processing device of the upstream data of the embodiment of the invention.As shown in Figure 5, the receiving and processing device of this upstream data mainly comprises: OFDM module 10 is used for that the upstream data that receives is carried out OFDM and handles; Balance module 20, be used for after upstream data is handled through OFDM, from upstream data, isolate the data of the data of first group of user equipments and second group of user equipments and export buffer memory to by equilibrium treatment, wherein, first group of user equipments and second group of user equipments are the group of user equipments of matching mutually; Processing module 30, be used for the subsequent treatment of the data of first group of user equipments and second group of user equipments is divided into a plurality of handling processes, at first the data of first group of user equipments are carried out first handling process, then when the data of first group of user equipments are carried out next handling process, the data of second group of user equipments are carried out a last handling process, execute all handling processes up to data to first group of user equipments and second group of user equipments respectively, obtain the physical layer data of first group of user equipments and the physical layer data of second group of user equipments.
Adopt device as shown in Figure 5, solved problem how to use the LTE uplink receiver of supporting Turbo-SIC that the upstream data that receives is handled in the correlation technique, and then improved the utilance of the LTE uplink receiver internal hardware circuit of existing support Turbo-SIC, save the power consumption of receiver, reduced the hardware and software cost of receiver.
Preferably, as shown in Figure 6, said apparatus can also comprise: IDFT module 40 is used for respectively the data of first group of user equipments and the data of second group of user equipments being carried out the IDFT processing and being exported buffer memory to.
Preferably, as shown in Figure 6, above-mentioned processing module 30 can comprise: separate channel interleaving module 300, be used for that the data of first group of user equipments after handling through IDFT are separated channel interleaving and handle; Demodulation descrambling module 302 is used for carrying out the demodulation scramble process through the data of separating first group of user equipments after channel interleaving is handled; Decoding module 304 is used for handling and export to buffer memory to deciphering through the data of first group of user equipments after the demodulation scramble process.
Preferably, as shown in Figure 6, above-mentioned processing module 30 can also comprise: channel interleaving module 306 is used for that the data of first group of user equipments after handling through decoding are carried out channel interleaving and handles; Scrambling modulation module 308 is used for the data of first group of user equipments after handling through channel interleaving are carried out the scrambling modulation treatment; DFT module 310 is used for handling and export to buffer memory to carrying out DFT through the data of first group of user equipments after the scrambling modulation treatment; Separate channel interleaving module 300, be used for that also the data of second group of user equipments after handling through IDFT are separated channel interleaving and handle; Demodulation descrambling module 302 also is used for carrying out the demodulation scramble process through the data of separating second group of user equipments after channel interleaving is handled; Decoding module 304 also is used for handling and export to buffer memory to deciphering through the data of second group of user equipments after the demodulation scramble process.
Preferably, as shown in Figure 6, above-mentioned processing module 30 can also comprise: Interference Cancellation module 312, and be used for data by first group of user equipments after handling through the DFT upstream data before to equilibrium treatment and carry out interference-cancellation process, obtain first and disturb and eliminate data; Balance module 20 also is used for disturbing the elimination data to carry out equilibrium treatment and export buffer memory to first; Channel interleaving module 306 is used for that also the data of second group of user equipments after handling through decoding are carried out channel interleaving and handles; Scrambling modulation module 308 also is used for the data of second group of user equipments after handling through channel interleaving are carried out the scrambling modulation treatment; DFT module 310 also is used for handling and export to buffer memory to carrying out DFT through the data of second group of user equipments after the scrambling modulation treatment.
Preferably, as shown in Figure 6, in said apparatus, IDFT module 40 also is used for disturbing the elimination data to carry out IDFT to first and handles; Separate channel interleaving module 300, also separate the channel interleaving processing for data are eliminated in first interference after handling through IDFT; Demodulation descrambling module 302 is used for that also data are eliminated in first interference after channel interleaving is handled through solution and carries out the demodulation scramble process; Decoding module 304 also is used for eliminating data and deciphering processing disturbing through first after the demodulation scramble process, obtains the physical layer data of second group of user equipments and reports; Interference Cancellation module 312 also is used for the data by second group of user equipments after handling through DFT, and the upstream data before the equilibrium treatment is carried out interference-cancellation process, obtains second interference and eliminates data; Balance module 20 also is used for disturbing the elimination data to carry out equilibrium treatment and export buffer memory to second.
Preferably, as shown in Figure 6, in said apparatus, IDFT module 40 also is used for disturbing the elimination data to carry out IDFT to second and handles; Separate channel interleaving module 300, also separate the channel interleaving processing for data are eliminated in second interference after handling through IDFT; Demodulation descrambling module 302 is used for that also data are eliminated in second interference after channel interleaving is handled through solution and carries out the demodulation scramble process; Decoding module 304 also is used for eliminating data and deciphering processing disturbing through second after the demodulation scramble process, obtains the physical layer data of first group of user equipments and reports.
Be further described below in conjunction with preferred embodiment shown in Figure 7 receiving and processing device to above-mentioned upstream data.
Fig. 7 is the schematic diagram of the receiving and processing device course of work of upstream data according to the preferred embodiment of the invention.As shown in Figure 7, in the preferred embodiment, the working method of said apparatus is as follows:
Step S1, the LTE uplink receiver to the upstream data that receives remove CP, after fixedly OFDM such as compensate of frequency deviation and automatic gain control (AGC) gain process handles, carry out the processing of fast Fourier transform (FFT) and data are carried out unit buffer memory according to antenna in cell, simultaneously pilot data is sent into signal estimation module and carried out channel estimating;
Step S2 together sends channel estimation value and data into balance module and carries out equilibrium treatment, and balanced back adopts the mode of MU-MIMO that two users U1 is separated with U2, deposits in respectively and carries out buffer memory in two block RAMs;
Step S3, carry out the processing of IDFT successively according to UE with depositing data in buffer in, processing mode is two IDFT nuclears of exampleization, two time slot parallel processings, after finishing dealing with through IDFT, data are deposited among the buffer memory two block cache RAM that use among the step S2 again, and wherein, counting of IDFT is the shared subcarrier number of user;
Step S4, after the IDFT data buffer memory of U1 is finished, data are separated the channel interleaving processing to be read from buffer memory RAM, carry out the demodulation descrambling successively, ascending control information (UCI) part is carried out the UCI dissection process and the UCI information of the U1 that obtains is reported business software, carry out Turbo decoding and handle finishing data behind the demodulation descrambling, obtain soft bit information;
Step S5 with the U1 soft bit information that step S4 obtains, carries out depositing in after scrambling is modulated buffer memory RAM successively and carries out the channel interleaving processing, and carry out the DFT conversion for counting with the subcarrier number of U1, and the result behind the DFT is deposited among the buffer memory RAM; After the Turbo decoding of U1 is finished dealing with, start user 2 processing, with data cached the reading after user's 2 equilibriums, carry out successively step S3 and step S4 IDFT, separate channel interleaving, demodulation descrambling, UCI resolves and processing such as Turbo decoding, and the data after U2Turbo decoding handled are carried out successively depositing in after scrambling is modulated and are waited among the buffer memory RAM;
Step S6, send into interference cancellation module and disturb elimination depositing U1 data among the buffer memory RAM among the step S5 in, (comprising: the component with U1 the upstream data that U1 and U2 send) balances out in the RB data, obtain U2 ' data, again U2 ' data are carried out equilibrium treatment, the processing of repeating step S3 and step S4 is followed successively by processing such as IDFT, demodulation descrambling and Turbo decoding, and the result after will handling reports business software, obtains the physical layer final result of user U2 and reports;
Step S7, carry out after interference elimination treatment finishes in U2 ' data, carrying out the interference of U2 data eliminates, obtain U1 ' data, and to the processing such as IDFT, demodulation descrambling and Turbo decoding among the U1 ' data repeating step S6, obtain the physical layer final result of user U1 and report, finish the handling process of whole Turbo-SIC.
In the preferred embodiment, need be reused Turbo decoding module, DFT/IDFT module and balance module, just can play the purpose that reduces resource occupation.The characteristics of the delay requirement of analytical system and module self, can allow Turbo decoding module, DFT/IDFT module and balance module that the user is carried out the serial process operation, therefore, can time division multiplexing Turbo decoding module when handling by the user, DFT module and balance module, can be reused Turbo decoding module, DFT/IDFT module and balance module like this.Moreover, carry out the formation management by RAM resource and IDFT nuclear to original solution channel interleaving, it can be handled for the data of Turbo-SIC uses, follow-up increase disposal ability and capacity, only need the RAM resource of the resource reconciliation channel interleaving of the corresponding IDFT nuclear of increase just can realize, thereby increased the utilance of original resource, saved area power consumption and cost.
From above description, as can be seen, above-described embodiment has been realized following technique effect (need to prove that these effects are effects that some preferred embodiment can reach): a plurality of residential quarters are merged into the virtual subdistrict group, by original RAM resource and IDFT nuclear are carried out the formation management, it can be handled for the data of Turbo-SIC uses, if follow-up disposal ability and the capacity that needs to increase said apparatus, the resource and the RAM resource that only need to increase corresponding IDFT nuclear just can realize, promote the efficient that scheduling and hardware identification code utilize, saved the processing delay of receiver.Be to guarantee to carry out the optimization of system configuration under the prerequisite of systematic function and capacity, increase reusability and the utilance of module, thereby reduce taking of system resource.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and be carried out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. the receiving handling method of a upstream data is characterized in that, comprising:
The upstream data that receives is carried out after orthogonal frequency division multiplex OFDM handles, from described upstream data, isolate the data of first group of user equipments and the data of second group of user equipments by equilibrium treatment, wherein, described first group of user equipments and described second group of user equipments are the group of user equipments of matching mutually;
The subsequent treatment of the data of described first group of user equipments and described second group of user equipments is divided into a plurality of handling processes, at first the data of described first group of user equipments are carried out first handling process, then when the data of described first group of user equipments are carried out next handling process, the data of described second group of user equipments are carried out a last handling process, execute all handling processes up to data to described first group of user equipments and described second group of user equipments respectively, obtain the physical layer data of described first group of user equipments and the physical layer data of described second group of user equipments.
2. method according to claim 1 is characterized in that, after the data of the data of isolating described first group of user equipments by described equilibrium treatment from described upstream data and described second group of user equipments, also comprises:
When having idle IDFT nuclear in the inverse discrete Fourier transform IDFT nuclear formation of presetting, respectively the data of described first group of user equipments and the data of described second group of user equipments are carried out the IDFT processing.
3. method according to claim 2 is characterized in that, the data of described first group of user equipments is carried out first handling process comprise:
When having idle RAM in the default random access memory ram formation,
The data of first group of user equipments after handling through described IDFT are separated channel interleaving to be handled;
Data to first group of user equipments after handling through described solution channel interleaving are carried out the demodulation scramble process;
To deciphering processing through the data of first group of user equipments after the described demodulation scramble process.
4. method according to claim 3 is characterized in that,
In that being carried out described next handling process, the data of described first group of user equipments comprise:
When having the RAM that has the free time in idle DFT and the described RAM sequence in the default discrete fourier variation DFT nuclear formation,
The data of first group of user equipments after handling through described decoding are carried out channel interleaving to be handled;
Data to first group of user equipments after handling through described channel interleaving are carried out the scrambling modulation treatment;
Handle carrying out DFT through the data of first group of user equipments after the described scrambling modulation treatment;
Simultaneously, the data of described second group of user equipments being carried out a described last handling process comprises:
When having idle RAM in the described RAM formation,
The data of second group of user equipments after handling through described IDFT are separated channel interleaving to be handled;
Data to second group of user equipments after handling through described solution channel interleaving are carried out the demodulation scramble process;
To deciphering processing through the data of second group of user equipments after the described demodulation scramble process.
5. method according to claim 4 is characterized in that,
In that being carried out described next handling process, the data of described first group of user equipments comprise:
When having idle RAM in the described RAM formation,
The described upstream data of data by first group of user equipments after handling through described DFT before to equilibrium treatment carries out interference-cancellation process, obtains first and disturbs and eliminate data;
Disturb the elimination data to carry out equilibrium treatment to described first;
Simultaneously, the data of described second group of user equipments being carried out a described last handling process comprises:
When having the RAM that has the free time in idle DFT and the described RAM sequence in the formation of described DFT nuclear,
The data of second group of user equipments after handling through described decoding are carried out channel interleaving to be handled;
Data to second group of user equipments after handling through described channel interleaving are carried out the scrambling modulation treatment;
Handle carrying out DFT through the data of second group of user equipments after the described scrambling modulation treatment.
6. method according to claim 5 is characterized in that,
In that being carried out described next handling process, the data of described first group of user equipments comprise:
When having idle RAM in the described RAM formation,
Disturbing the elimination data to carry out IDFT to described first handles;
Disturbing the elimination data to separate channel interleaving to described first after handling through described IDFT handles;
Disturb the elimination data to carry out the demodulation scramble process to described first after handling through described solution channel interleaving;
To disturbing the elimination data to decipher processing through described first after the described demodulation scramble process, obtain the described physical layer data of described second group of user equipments;
Simultaneously, the data of described second group of user equipments being carried out a described last handling process comprises:
When having idle RAM in the described RAM formation,
By the data of second group of user equipments after handling through described DFT, the described upstream data before the equilibrium treatment is carried out interference-cancellation process, obtain second and disturb the elimination data;
Disturb the elimination data to carry out equilibrium treatment to described second.
7. method according to claim 6 is characterized in that,
After the described second interference elimination data were carried out equilibrium treatment, described method also comprised:
When having idle RAM in the described RAM formation,
Disturbing the elimination data to carry out IDFT to described second handles;
Disturbing the elimination data to separate channel interleaving to second after handling through described IDFT handles;
Disturb the elimination data to carry out the demodulation scramble process to second after handling through described solution channel interleaving;
To disturb the elimination data to decipher processing through second after the described demodulation scramble process, obtain the described physical layer data of described first group of user equipments.
8. according to each described method in the claim 1 to 7, it is characterized in that before the data of the data of isolating first group of user equipments by equilibrium treatment from described upstream data and second group of user equipments, described method also comprises:
Described first group of user equipments and described second group of user equipments are merged into a virtual subdistrict group.
9. the receiving and processing device of a upstream data is characterized in that, comprising:
The orthogonal frequency division multiplex OFDM module is used for that the upstream data that receives is carried out OFDM and handles;
Balance module, be used for after described upstream data is handled through described OFDM, from described upstream data, isolate the data of the data of first group of user equipments and second group of user equipments and export buffer memory to by equilibrium treatment, wherein, described first group of user equipments and described second group of user equipments are the group of user equipments of matching mutually;
Processing module, be used for the subsequent treatment of the data of described first group of user equipments and described second group of user equipments is divided into a plurality of handling processes, at first the data of described first group of user equipments are carried out first handling process, then when the data of described first group of user equipments are carried out next handling process, the data of described second group of user equipments are carried out a last handling process, execute all handling processes up to data to described first group of user equipments and described second group of user equipments respectively, obtain the physical layer data of described first group of user equipments and the physical layer data of described second group of user equipments.
10. device according to claim 9 is characterized in that, described device also comprises:
Inverse discrete Fourier transform IDFT module is used for respectively the data of described first group of user equipments and the data of described second group of user equipments being carried out the IDFT processing and being exported described buffer memory to.
11. device according to claim 10 is characterized in that, described processing module comprises:
Separate the channel interleaving module, be used for that the data of first group of user equipments after handling through described IDFT are separated channel interleaving and handle;
The demodulation descrambling module is used for the data of first group of user equipments after handling through described solution channel interleaving are carried out the demodulation scramble process;
Decoding module is used for handling and export to described buffer memory to deciphering through the data of first group of user equipments after the described demodulation scramble process.
12. device according to claim 11 is characterized in that,
Described processing module also comprises:
The channel interleaving module is used for that the data of first group of user equipments after handling through described decoding are carried out channel interleaving and handles;
The scrambling modulation module is used for the data of first group of user equipments after handling through described channel interleaving are carried out the scrambling modulation treatment;
Discrete fourier changes the DFT module, is used for handling and export to described buffer memory to carrying out DFT through the data of first group of user equipments after the described scrambling modulation treatment;
Described solution channel interleaving module is used for that also the data of second group of user equipments after handling through described IDFT are separated channel interleaving and handles;
Described demodulation descrambling module also is used for the data of second group of user equipments after handling through described solution channel interleaving are carried out the demodulation scramble process;
Described decoding module also is used for handling and export to described buffer memory to deciphering through the data of second group of user equipments after the described demodulation scramble process.
13. device according to claim 12 is characterized in that,
Described processing module also comprises:
The Interference Cancellation module is used for data by first group of user equipments after handling through the described DFT described upstream data before to equilibrium treatment and carries out interference-cancellation process, obtains first and disturbs and eliminate data;
Described balance module also is used for disturbing the elimination data to carry out equilibrium treatment and export described buffer memory to described first;
Described channel interleaving module is used for that also the data of second group of user equipments after handling through described decoding are carried out channel interleaving and handles;
Described scrambling modulation module also is used for the data of second group of user equipments after handling through described channel interleaving are carried out the scrambling modulation treatment;
Described DFT module also is used for handling and export to described buffer memory to carrying out DFT through the data of second group of user equipments after the described scrambling modulation treatment.
14. device according to claim 13 is characterized in that,
Described IDFT module also is used for disturbing the elimination data to carry out IDFT to described first and handles;
Described solution channel interleaving module also is used for disturbing the elimination data to separate channel interleaving to described first after handling through described IDFT and handles;
Described demodulation descrambling module also is used for disturbing the elimination data to carry out the demodulation scramble process to described first after handling through described solution channel interleaving;
Described decoding module also is used for eliminating data and deciphering processing disturbing through described first after the described demodulation scramble process, obtains the described physical layer data of described second group of user equipments and reports;
Described Interference Cancellation module also is used for the data by second group of user equipments after handling through described DFT, and the described upstream data before the equilibrium treatment is carried out interference-cancellation process, obtains second interference and eliminates data;
Described balance module also is used for disturbing the elimination data to carry out equilibrium treatment and export described buffer memory to described second.
15. device according to claim 14 is characterized in that,
Described IDFT module also is used for disturbing the elimination data to carry out IDFT to described second and handles;
Described solution channel interleaving module also is used for disturbing the elimination data to separate channel interleaving to second after handling through described IDFT and handles;
The demodulation descrambling module also is used for disturbing the elimination data to carry out the demodulation scramble process to second after handling through described solution channel interleaving;
Described decoding module also is used for eliminating data and deciphering processing disturbing through second after the described demodulation scramble process, obtains the described physical layer data of described first group of user equipments and reports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100410863A CN103297367A (en) | 2012-02-22 | 2012-02-22 | Uplink data receiving processing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100410863A CN103297367A (en) | 2012-02-22 | 2012-02-22 | Uplink data receiving processing method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103297367A true CN103297367A (en) | 2013-09-11 |
Family
ID=49097700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100410863A Pending CN103297367A (en) | 2012-02-22 | 2012-02-22 | Uplink data receiving processing method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103297367A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104301274A (en) * | 2014-09-03 | 2015-01-21 | 武汉邮电科学研究院 | Uplink channel estimation method and system for multi-user scenes |
| CN106817331A (en) * | 2015-12-02 | 2017-06-09 | 华为技术有限公司 | The method and apparatus that signal of communication is processed in communication system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667903A (en) * | 2008-09-04 | 2010-03-10 | 中兴通讯股份有限公司 | Method and device for transmitting data, and method and device for retransmitting data |
| CN101902780A (en) * | 2009-05-26 | 2010-12-01 | 上海贝尔股份有限公司 | Method for wireless multi-user communication and device thereof |
| US20110051832A1 (en) * | 2009-08-26 | 2011-03-03 | Qualcomm Incorporated | Methods for determining reconstruction weights in a mimo system with successive interference cancellation |
| CN102075952A (en) * | 2011-02-14 | 2011-05-25 | 电信科学技术研究院 | Method and equipment for eliminating and processing interference |
| CN102098083A (en) * | 2010-12-27 | 2011-06-15 | 华为技术有限公司 | Reconstruction method and device of enhanced dedicated channel |
| CN102098127A (en) * | 2009-12-15 | 2011-06-15 | 上海贝尔股份有限公司 | Multi-user domain parallel decoding method and device |
| CN102273295A (en) * | 2008-11-13 | 2011-12-07 | 北电网络有限公司 | Method and system for reduced complexity channel estimation and interference cancellation for V-MIMO demodulation |
-
2012
- 2012-02-22 CN CN2012100410863A patent/CN103297367A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667903A (en) * | 2008-09-04 | 2010-03-10 | 中兴通讯股份有限公司 | Method and device for transmitting data, and method and device for retransmitting data |
| CN102273295A (en) * | 2008-11-13 | 2011-12-07 | 北电网络有限公司 | Method and system for reduced complexity channel estimation and interference cancellation for V-MIMO demodulation |
| CN101902780A (en) * | 2009-05-26 | 2010-12-01 | 上海贝尔股份有限公司 | Method for wireless multi-user communication and device thereof |
| US20110051832A1 (en) * | 2009-08-26 | 2011-03-03 | Qualcomm Incorporated | Methods for determining reconstruction weights in a mimo system with successive interference cancellation |
| CN102098127A (en) * | 2009-12-15 | 2011-06-15 | 上海贝尔股份有限公司 | Multi-user domain parallel decoding method and device |
| CN102098083A (en) * | 2010-12-27 | 2011-06-15 | 华为技术有限公司 | Reconstruction method and device of enhanced dedicated channel |
| CN102075952A (en) * | 2011-02-14 | 2011-05-25 | 电信科学技术研究院 | Method and equipment for eliminating and processing interference |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104301274A (en) * | 2014-09-03 | 2015-01-21 | 武汉邮电科学研究院 | Uplink channel estimation method and system for multi-user scenes |
| CN106817331A (en) * | 2015-12-02 | 2017-06-09 | 华为技术有限公司 | The method and apparatus that signal of communication is processed in communication system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11546027B2 (en) | Base station apparatus, terminal apparatus, wireless communication system and integrated circuit | |
| RU2529370C2 (en) | Method of determining signal resource | |
| US9094962B2 (en) | System and method for resource block-specific control signaling | |
| CN107005333A (en) | Equipment, methods and procedures | |
| US20190013851A1 (en) | Broadcast information transmission method and device | |
| US11121848B2 (en) | Communication method and network device | |
| US9258099B2 (en) | System and method for user cooperation protocol for interference alignment in wireless networks | |
| US20220330254A1 (en) | Systems and methods for determining and indicating antenna ports with configurable antenna port field in dci | |
| CN108366375B (en) | Method and device for sharing downlink frequency spectrum | |
| CN106856461B (en) | Interference estimation method and equipment | |
| US20170302420A1 (en) | Method for Sending and Receiving Reference Signal, and Communication Node | |
| CN110612736A (en) | Communication apparatus, base station, method, and recording medium | |
| CN106685580B (en) | Data processing method and device | |
| CN107005322A (en) | Communicated simultaneously with multiple radio communication devices | |
| CN102100045B (en) | Data transmitting processing method and apparatus, data receiving processing method and apparatus | |
| CN106685498A (en) | MIMO transmission method and device | |
| CN103023545A (en) | Wireless data transmission method and network-side equipment | |
| CN103379070A (en) | RE detection method and apparatus | |
| CN103297367A (en) | Uplink data receiving processing method and device | |
| CN102740480B (en) | Method and device for interference suppression of paired users | |
| US9641232B2 (en) | Transmission device and wireless communication method that provides precoded transmission data to first and second reception devices | |
| CN107395333B (en) | Method and equipment for processing reference demodulation pilot frequency | |
| KR20160110483A (en) | Information processing apparatus, network node and information processing method | |
| CN104080188B (en) | Multi-user's Multiinputoutput wireless local network user dispatching method and system | |
| CN108418662A (en) | A kind of sending method of reference signal, method of reseptance and relevant device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130911 |