CN101925113A - Transmission processing method and equipment of uplink control channel - Google Patents
Transmission processing method and equipment of uplink control channel Download PDFInfo
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Abstract
The invention discloses transmission processing method and equipment of an uplink control channel. The method comprises the following steps that in a carrier aggregation long term evolution system, base station configures a plurality of uplink control channels sent by user equipment on the same physical resource block; the user equipment sends a plurality of physical uplink control channels and reference marks on the same physical resource block according to the base station configuration; and the base station receives the physical uplink control channels and the reference marks sent by the user equipment on the same physical resource block, and carries out channel estimation according to the reference marks to obtain a channel estimation result for demodulation. The result reliability of the channel estimation of the base station can be improved by implementing the invention, and finally, the demodulation performance of an uplink control signaling is improved. The invention is easy to implement and simultaneously is suitable for frequency division duplex and time division duplex systems.
Description
Technical field
The present invention relates to mobile communication technology, particularly a kind of method for transmission processing of ascending control channel and equipment.
Background technology
Fig. 1 is the single-frequency spectral system schematic, Fig. 2 is the spectrum aggregating system schematic, for long-term evolution multi-carrier system, for supporting than LTE (Long Term Evolution, Long Term Evolution) the wideer system bandwidth of system, such as 100MHz, a kind of may be the frequency spectrum that directly distributes the 100M bandwidth, as shown in Figure 1; A kind of may be to distribute to some spectrum aggregatings of existing systems, gather into big bandwidth and supply with the long-term evolution multi-carrier system use, the up-downgoing carrier wave can asymmetricly dispose in the system at this moment, be that the user may take N 〉=1 carrier wave and carries out downlink transfer, M 〉=1 carrier wave carries out uplink, as shown in Figure 2.When the data on each descending carrier are independently carried out coding and decoding, the user will carry out HARQ (Hybrid Automatic Repeat Request, mixed automatic repeat request) repeat requests (being ACK/NACK information) feedback respectively at the packet on each carrier wave.Therefore, the user may be simultaneously to a plurality of ACK/NACK information of base station feedback in a sub-frame of uplink.Perhaps the user may be in a sub-frame of uplink channel information on a plurality of descending carriers of base station feedback simultaneously, comprise: CQI (Channel Quality Indicator, the channel quality indication), PMI (Precoding Matrix Indicator, pre-coding matrix information), RI (Rank Information, order information).
Fig. 3 is FDD (Frequency Division Duplex, Frequency Division Duplexing (FDD)) system schematic, Fig. 4 is TDD (Time Division Duplex, a time division duplex) system schematic, Fig. 5 is the structural representation of ascending control channel when conventional CP (Cyclic Prefix, Cyclic Prefix).The basic transmission plan of the LTE system (Rel-8) that present standardization effort has been finished substantially is as follows: FDD system and TDD are respectively as Fig. 3, shown in 4.For each work carrier wave, defined downlink signaling, downlink data, up signaling and upstream data respectively, and transmission relation each other.Upstream control signaling will use cyclically shifted sequences to carry out spread processing, so can transmit a plurality of ascending control channels on identical physical resource.The two ends of upstream control signaling band occupancy use the frequency hopping mode to transmit, and promptly in two time slots in a subframe, upstream control signaling will take different band transmissions.In the upstream control signaling zone, the ascending control channel structure of transferring ACK/NACK feedback when the base station end receives, is at first carried out channel estimating by pilot tone as shown in Figure 5, and the result based on channel estimating carries out demodulated data signal again.
For the long evolving system that uses carrier aggregation, when the user will feed back a plurality of generic ascending control information simultaneously, can in a sub-frame of uplink of a plurality of independently ascending control channels, send.If a plurality of ascending control channels use different frequency expansion sequences, take identical physical resource and transmit, then the fading channel of these a plurality of ascending control channel experience is identical, has promptly passed through identical transmission channel.
The deficiencies in the prior art are: for the long evolving system that uses carrier aggregation, because user's transmitting power is limited, therefore when the user sent a plurality of ascending control channel simultaneously, the data on each ascending control channel and the transmitting power of pilot tone all will reduce.Power drop on the reference symbol will directly influence the reliability that receiving terminal carries out channel estimating, thereby reduces the demodulation performance of control information on each ascending control channel.
Summary of the invention
The invention provides a kind of method for transmission processing and equipment of ascending control channel,, thereby improve controlling the demodulation performance of signaling in order to raising receiving terminal channel estimation reliability.
A kind of method for transmission processing of ascending control channel is provided in the embodiment of the invention, has comprised the steps:
In the long evolving system of carrier aggregation, the base station configuration user equipment (UE) sends a plurality of Physical Uplink Control Channel PUCCH on identical Physical Resource Block PRB;
The base station receives a plurality of PUCCH and the reference symbol that UE sends on identical PRB, and carries out the channel estimation results that channel estimating obtains to be used for demodulation according to reference symbol.
A kind of method for transmission processing of ascending control channel also is provided in the embodiment of the invention, has comprised the steps:
In the long evolving system of carrier aggregation, UE determines to send the identical PRB of a plurality of PUCCH and reference symbol according to base station configuration;
On described identical PRB, send a plurality of PUCCH and reference symbol.
A kind of base station also is provided in the embodiment of the invention, and in the long evolving system of carrier aggregation, the base station comprises:
Configuration module, configuration UE send a plurality of ascending control channels on identical PRB;
Receiver module is used to receive a plurality of PUCCH and the reference symbol that UE sends on identical PRB;
Processing module is used for carrying out the channel estimation results that channel estimating obtains to be used for demodulation according to reference symbol.
A kind of subscriber equipment also is provided in the embodiment of the invention, in the long evolving system of carrier aggregation, has comprised:
Determination module is used for UE according to base station configuration, determines to send the identical PRB of a plurality of PUCCH and reference symbol;
Sending module is used for sending a plurality of PUCCH and reference symbol on identical PRB.
A kind of transmission process system of ascending control channel is provided in the embodiment of the invention, in the long evolving system of carrier aggregation, has comprised: base station, UE, wherein:
The base station is used for configuration UE and sends a plurality of ascending control channels on identical PRB;
UE is used for according to base station configuration, sends a plurality of PUCCH and reference symbol on described identical PRB;
The base station also is used to receive a plurality of PUCCH and the reference symbol that UE sends on identical PRB, and carries out the channel estimation results that channel estimating obtains to be used for demodulation according to reference symbol.
Beneficial effect of the present invention is as follows:
The present invention in force, base station configuration UE sends a plurality of ascending control channels on identical PRB; And UE sends a plurality of PUCCH and reference symbol according to base station configuration on identical PRB; Channel estimating is carried out in a plurality of PUCCH and the reference symbol that send according to the UE that receives in the base station on identical PRB.As seen, UE sends a plurality of ascending control channels simultaneously in the invention process on identical PRB, and since terminal in same transmission channel, therefore the pilot power that sends is improved, the reliability that makes the base station carry out the result of channel estimating based on these pilot tones also promotes thereupon.
Further, improve the reliability that receiving terminal carries out channel estimating, finally reached and improved the uplink control signaling demodulation performance.
Simultaneously, in the embodiment of the invention, the user sends a plurality of ascending control channels simultaneously on identical PRB, and with raising receiving terminal channel estimation reliability, thereby raising is to the scheme of the demodulation performance of control signaling.This scheme is simple, easy to implement, is applicable to FDD and TDD system simultaneously.
Description of drawings
Fig. 1 is a single-frequency spectral system schematic in the background technology;
Fig. 2 is a background technology intermediate frequency spectrum paradigmatic system schematic diagram;
Fig. 3 is a FDD system schematic in the background technology;
Fig. 4 is a TDD system schematic in the background technology;
Fig. 5 is the structural representation of ascending control channel when conventional CP in the background technology;
Fig. 6 is the method for transmission processing implementing procedure schematic diagram of ascending control channel in the embodiment of the invention;
Fig. 7 is the method for transmission processing implementing procedure schematic diagram of the ascending control channel of the embodiment of the invention one;
Fig. 8 is the method for transmission processing implementing procedure schematic diagram of the ascending control channel of the embodiment of the invention two;
Fig. 9 is the method for transmission processing implementing procedure schematic diagram of the ascending control channel of the embodiment of the invention three;
Figure 10 is the transmission process system configuration schematic diagram of ascending control channel in the embodiment of the invention;
Figure 11 is an architecture of base station schematic diagram in the embodiment of the invention;
Figure 12 is a user device architecture schematic diagram in the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described.
Fig. 6 is the method for transmission processing implementing procedure schematic diagram of ascending control channel, as shown in the figure, in the long evolving system of carrier aggregation, can comprise the steps: when carrying out transmission process
The channel estimation results that channel estimating obtains to be used for demodulation is carried out according to reference symbol in step 605, base station.
In the enforcement, identical PRB be meant on the frequency domain with time domain on identical, promptly with frequently sending simultaneously.
Need to prove that for the ease of understanding embodiments of the present invention from integral body, in the transmission process of the ascending control channel of Fig. 6, the execution mode to base station and UE describes simultaneously.
In fact, base station and UE also can each comfortable network side and end side the transmission of ascending control channel is handled, as:
At network side, the base station configuration user equipment (UE) sends a plurality of Physical Uplink Control Channel PUCCH on identical Physical Resource Block PRB;
Then, the base station receives a plurality of PUCCH and the reference symbol that UE sends on identical PRB, and carries out the channel estimation results that channel estimating obtains to be used for demodulation according to reference symbol.
In end side, UE determines to send the identical PRB of a plurality of PUCCH and reference symbol according to base station configuration; On identical PRB, send a plurality of PUCCH and reference symbol then.
Hold enforcement of the present invention for ease of integral body, will describe base station and UE no longer respectively in the following description, but overall bright, those skilled in the art therefrom also draw the execution mode of the two easily.
In concrete the enforcement, carry out UE according to base station configuration, when determining to send the identical PRB of a plurality of PUCCH and reference symbol, can adopt dominance or recessive method notice UE to determine, for example can adopt following three kinds of modes in step 602:
1, dominance.
The signaling that UE sends according to the base station is determined the identical PRB of base station configuration, and described signaling is carried the information of the shared physical resource numbering of each PUCCH of base station configuration, and the shared physical resource numbering of described each PUCCH belongs to identical PRB.
Under this mode, directly number by the shared physical resource of signaling ascending control channel the base station, and then can indicate UE to determine the identical PRB that sends a plurality of PUCCH and reference symbol, as utilize RRC signaling or descending control signaling to notify.
2, recessive.
The shared physical resource numbering of the descending control signaling that UE sends by the base station calculates the shared physical resource numbering of each PUCCH.
Under this scheme, descending control signaling is that the base station is determined to send after having disposed identical PRB, the shared physical resource numbering of descending control signaling is numbered in order to indicate the shared physical resource of each PUCCH, and the shared physical resource numbering of each PUCCH belongs to identical PRB.
Under this mode, the base station is actually by sending descending control signaling and indicates identical PRB, makes UE to calculate the shared physical resource numbering of ascending control channel by the shared physical resource numbering of descending control signaling.
3, dominance and recessive combining.
The shared physical resource numbering of the descending control signaling that UE sends by the base station calculates a physical resource numbering that PUCCH is shared, and determines the physical resource numbering that each PUCCH is shared according to the signaling that the base station sends.
Under this mode, in signaling, carry the relation that a shared physical resource that physical resource is numbered and other each PUCCH are shared of PUCCH is numbered; And descending control signaling is base station definite transmission after having disposed identical PRB, the shared physical resource numbering of descending control signaling is numbered in order to indicate a shared physical resource of PUCCH, and the shared physical resource numbering of each PUCCH belongs to identical PRB.
Under this mode, can know the physical resource numbering that part PUCCH is shared, and number with the shared physical resource of dominance notice remainder PUCCH by recessiveness.As:
The relation of at first using shared physical resource numbering of each PUCCH of dominance signaling UE and the shared physical resource of first PUCCH to number;
Then, calculate the shared physical resource numbering of first PUCCH by the shared physical resource numbering of descending control signaling;
At last, according to the employed physical resource numbering of first PUCCH, can obtain the shared physical resource numbering of all PUCCH.
In concrete the enforcement, when step 603 execution UE sends a plurality of PUCCH and reference symbol on identical PRB, dual mode can be arranged:
1, on identical PRB, sends a plurality of PUCCH and many group corresponding reference symbols;
2, on identical PRB, send a plurality of PUCCH and one group of reference symbol.
On identical PRB, send a plurality of PUCCH and reference symbol, its purpose is, in a long evolving system that uses carrier aggregation technology, if UE sends M 〉=1 ascending control channel of the same type on same physical resource, so because the transmission channel of its process is identical, therefore to the demodulated data signal on this M ascending control channel the time, can carry out based on same channel estimation results.Therefore, can the raising system in the reliability of channel estimating, thereby improve the detection performance of each ascending control channel.
Below two kinds of execution modes are described.
1, on identical PRB, sends a plurality of PUCCH and many group corresponding reference symbols.
In the enforcement of step 603, when UE sends a plurality of PUCCH and many group corresponding reference symbols on identical PRB, can implement in the following manner:
Each PUCCH transmitting power is identical, and the transmitting power sum is not more than the UE total emission power;
It is identical that each organizes the reference symbol transmitting power, and the transmitting power sum is not more than the UE total emission power;
Power control mode according to 3GPP R8 (3GPP version 8) is provided with reference symbol and PUCCH transmitting power.
When the many groups of transmission reference symbol, carry out channel estimating when obtaining to be used for the channel estimation results of demodulation in the base station of execution in step 605 according to reference symbol, dual mode can be arranged, be respectively:
1), the base station merges the many groups reference symbol that extracts respectively, and carries out the channel estimation results that channel estimating obtains to be used for demodulation based on the reference symbol after merging;
Or, 2), after the base station carries out channel estimating respectively based on every group of reference symbol, and a plurality of channel estimation results are merged the channel estimation results that obtains to be used for demodulation.
Illustrate with embodiment below.
Embodiment one
Present embodiment has been described: UE sends a plurality of PUCCH and many group corresponding reference symbols on identical PRB, then, the base station merges the many groups reference symbol that extracts respectively, and carry out the channel estimation results that channel estimating obtains to be used for demodulation based on the reference symbol after merging, further, also be used for the channel estimation results control information of a plurality of PUCCH of demodulation respectively of demodulation.
Fig. 7 is the method for transmission processing implementing procedure schematic diagram of the ascending control channel of embodiment one, as shown in the figure, can comprise the steps:
In this step, when merging, can adopt the high specific mode to merge;
In the enforcement, UE sends M ascending control channel and M group corresponding reference symbol on identical PRB, reference symbol and PUCCH are provided with power according to the power control mode of 3GPP R8, each RS (Reference Signal, reference symbol) with its corresponding PUCCH channel identical power is set, and at a SC-FDMA (Single Carrier FDMA, Single Carrier Frequency Division Multiple Access; FDMA:FrequencyDivision Multiple Access, frequency division multiple access) all reference symbol transmitting power sums are not more than the UE total emission power in the symbol, promptly, each PUCCH transmitting power is identical, and the transmitting power sum is not more than the UE total emission power, it is identical that each organizes the reference symbol transmitting power, and the transmitting power sum is not more than the UE total emission power.Receiving terminal extracts M group reference symbol respectively from received signal, and each group reference symbol is carried out normalized, and the M group reference symbol after handling is merged, and can use high specific to merge during merging; Carry out channel estimating based on the reference symbol after merging then, use the control information in M ascending control channel of channel estimation results difference demodulation at last.
Use the frequency pilot sign through merging to carry out channel estimating one time in this scheme, estimate to compare with the M secondary channel that uses the original reference symbol to carry out respectively, its reliability will improve.
Embodiment two
Present embodiment has been described: UE sends a plurality of PUCCH and many group corresponding reference symbols on identical PRB, then, after channel estimating is carried out respectively based on every group of reference symbol in the base station, and a plurality of channel estimation results are merged the channel estimation results that obtains to be used for demodulation, further, also be used for the channel estimation results control information of a plurality of PUCCH of demodulation respectively of demodulation.
Fig. 8 is the method for transmission processing implementing procedure schematic diagram of the ascending control channel of embodiment two, as shown in the figure, can comprise the steps:
Step 803, respectively every group of reference symbol carried out the M secondary channel and estimate;
In this step, when merging, can get average or do smoothing processing a plurality of channel estimation results;
In the enforcement, UE sends M ascending control channel and M group corresponding reference symbol on identical PRB, reference symbol and PUCCH are provided with power according to the power control mode of 3GPP R8, each RS is provided with identical power with its corresponding PUCCH channel, and all reference symbol transmitting power sums are not more than the UE total emission power in a SC-FDMA symbol, promptly, each PUCCH transmitting power is identical, and the transmitting power sum is not more than the UE total emission power, it is identical that each organizes the reference symbol transmitting power, and the transmitting power sum is not more than the UE total emission power.Receiving terminal extracts M group reference symbol respectively from received signal, and after each group reference symbol is carried out normalized, carry out channel estimating then respectively, obtain M channel estimation results, the base station merges M channel estimation results again, this closes not is the merging of accumulative total property, but M estimated value got average or done smoothly the control information in M the ascending control channel of channel estimation results difference demodulation after use merges at last.
In this scheme, a plurality of channel estimation results are done merging, can avoid the influence of unexpected error, thereby improve the reliability of system estimated result.
2, on identical PRB, send a plurality of PUCCH and one group of reference symbol.
In step 603 was implemented, UE sent a plurality of PUCCH and one group of reference symbol on identical PRB, can implement in the following manner:
Each PUCCH transmitting power is identical, and the transmitting power sum is not more than the UE total emission power;
Power control mode according to 3GPP R8 is provided with the PUCCH transmitting power;
The transmitting power of reference symbol is provided with according to a plurality of PUCCH transmitting power sums, or is provided with separately, and its transmitted power is not more than the UE total emission power.
When UE only sends one group of reference symbol, carry out channel estimating when obtaining to be used for the channel estimation results of demodulation in the base station of execution in step 605 according to reference symbol, can be:
The channel estimation results that channel estimating obtains to be used for demodulation is carried out based on reference symbol in the base station.
Illustrate with embodiment below.
Embodiment three
Present embodiment has been described: UE sends a plurality of PUCCH and one group of reference symbol on identical PRB, then, the channel estimation results that channel estimating obtains to be used for demodulation is carried out based on reference symbol in the base station, further, also be used for the channel estimation results control information of a plurality of PUCCH of demodulation respectively of demodulation.
Fig. 9 is the method for transmission processing implementing procedure schematic diagram of the ascending control channel of embodiment three, after the base station receives a plurality of PUCCH that UE sending on the identical PRB and one group of reference symbol, as shown in the figure, can comprise the steps:
In the enforcement, UE sends M ascending control channel on identical PRB, but only sends one group of reference symbol, and the transmitting power of this RS can add and is provided with according to a plurality of PUCCH transmitting powers, also can less than this add and, each PUCCH is provided with according to the R8 power control scheme; And in a SC-FDMA symbol, the transmitting power of this reference symbol is less than the UE maximum transmission power, that is, each PUCCH transmitting power is identical, and the transmitting power sum is not more than the UE total emission power; Power control mode according to 3GPPR8 is provided with the PUCCH transmitting power; The transmitting power of reference symbol is provided with according to a plurality of PUCCH transmitting power sums, or is provided with separately, and its transmitted power is not more than the UE total emission power.The reference symbol that is sent is a group in the pairing M group of M ascending control channel reference symbol, and base station and terminal are arranged concrete use in advance and where organized reference symbol.Receiving terminal extracts reference symbol from received signal, and reference symbol is carried out normalized, carries out channel estimating then, uses the control information in M the ascending control channel of channel estimation results difference demodulation that estimates at last.
Only send one group of reference symbol at transmitting terminal UE in this scheme, its transmitted power will be significantly higher than the power that passes each reference symbol under many group reference symbol situations simultaneously, use this group reference symbol to carry out channel estimating, and its reliability also will improve thereupon.
Based on same inventive concept, a kind of transmission process system, base station, subscriber equipment of ascending control channel also are provided in the embodiment of the invention, because the principle that these equipment are dealt with problems is similar to a kind of method for transmission processing of ascending control channel, therefore the enforcement of these equipment can repeat part and not give unnecessary details referring to the enforcement of method.
Figure 10 is the transmission process system configuration schematic diagram of ascending control channel, and as shown in the figure, in the long evolving system of carrier aggregation, the transmission process system of ascending control channel can comprise: base station 1001, UE1002, wherein:
Base station 1001 is used for configuration UE and sends a plurality of ascending control channels on identical PRB;
UE1002 is used for according to base station configuration, sends a plurality of PUCCH and reference symbol on described identical PRB;
Base station 1001 also is used to receive a plurality of PUCCH and the reference symbol that UE sends on identical PRB, and carries out the channel estimation results that channel estimating obtains to be used for demodulation according to reference symbol.
In the enforcement, UE can be further used for determining according to the signaling that the base station sends the described identical PRB of base station configuration, described signaling is carried the information of the shared physical resource numbering of each PUCCH of base station configuration, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
Or, the shared physical resource numbering of descending control signaling that sends by the base station calculates the shared physical resource numbering of each PUCCH, described descending control signaling is that the base station is determined to send after having disposed described identical PRB, the shared physical resource numbering of described descending control signaling is numbered in order to indicate the shared physical resource of each PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
Or, the shared physical resource numbering of descending control signaling that sends by the base station calculates a physical resource numbering that PUCCH is shared, and determine the physical resource numbering that each PUCCH is shared according to the signaling that the base station sends, described signaling is carried the relation of the physical resource numbering that the shared physical resource of a described PUCCH is numbered and other each PUCCH are shared, described descending control signaling is that the base station is determined to send after having disposed described identical PRB, the shared physical resource numbering of described descending control signaling is numbered in order to indicate a shared physical resource of PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB.
When sending a plurality of PUCCH and reference symbol on identical PRB, UE can also be further used for sending a plurality of PUCCH and many group corresponding reference symbols on identical PRB.
When UE has sent many groups reference symbol, carry out channel estimating when obtaining to be used for the channel estimation results of demodulation in the base station according to reference symbol, many groups reference symbol that the base station can also be further used for extracting respectively merges, and carries out the channel estimation results that channel estimating obtains to be used for demodulation based on the reference symbol after merging; Or, carry out channel estimating respectively based on every group of reference symbol after, and a plurality of channel estimation results are merged the channel estimation results that obtains to be used for demodulation.
In the enforcement, when UE sends a plurality of PUCCH and reference symbol on identical PRB, can also be: UE be further used for sending a plurality of PUCCH and one group of reference symbol on identical PRB.
When UE sends one group of reference symbol, carry out channel estimating when obtaining to be used for the channel estimation results of demodulation in the base station according to reference symbol, the base station can also be further used for carrying out the channel estimation results that channel estimating obtains to be used for demodulation based on reference symbol.
The base station can also be further used for using the channel estimation results control information of a plurality of PUCCH of demodulation respectively that is used for demodulation.
Figure 11 is the architecture of base station schematic diagram, and as shown in the figure, in the long evolving system of carrier aggregation, the base station can comprise:
In the enforcement, the base station may further include notification module 1104, is used for sending signaling to UE, and described signaling is carried the information of the shared physical resource numbering of each PUCCH of base station configuration, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
Or, after having disposed described identical PRB, send descending control signaling, the shared physical resource numbering of described descending control signaling is numbered in order to indicate the shared physical resource of each PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB.
Or, send signaling to UE, described signaling is carried the relation of the physical resource numbering that the shared physical resource of a described PUCCH is numbered and other each PUCCH are shared, and after having disposed described identical PRB, send descending control signaling, the shared physical resource numbering of described descending control signaling is numbered in order to indicate a shared physical resource of PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB.
In the enforcement, processing module can be further used for when UE has sent many groups reference symbol, the many groups reference symbol that extracts is respectively merged, and carry out the channel estimation results that channel estimating obtains to be used for demodulation based on the reference symbol after merging; Or, carry out channel estimating respectively based on every group of reference symbol after, and a plurality of channel estimation results are merged the channel estimation results that obtains to be used for demodulation.
When many groups reference symbol that processing module can also be further used for extracting respectively merges, use high specific to merge; Or, when a plurality of channel estimation results are merged, a plurality of channel estimation results are got average or done smoothing processing.
Another kind of execution mode is: processing module can be further used for when UE sends one group of reference symbol, carries out the channel estimation results that channel estimating obtains to be used for demodulation based on reference symbol.
In the enforcement, the base station can further include:
Figure 12 is the user device architecture schematic diagram, and as shown in the figure, in the long evolving system of carrier aggregation, UE can comprise:
Sending module 1202 is used for sending a plurality of PUCCH and reference symbol on identical PRB.
In the enforcement, determination module can comprise one of first determining unit, second determining unit, the 3rd determining unit or its combination, wherein:
First determining unit, be used for determining the described identical PRB of base station configuration according to the signaling that the base station sends, described signaling is carried the information of the shared physical resource numbering of each PUCCH of base station configuration, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
Second determining unit, the shared physical resource numbering of descending control signaling that is used for sending by the base station calculates the shared physical resource numbering of each PUCCH, described descending control signaling is that the base station is determined to send after having disposed described identical PRB, the shared physical resource numbering of described descending control signaling is numbered in order to indicate the shared physical resource of each PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
The 3rd determining unit, the shared physical resource numbering of descending control signaling that is used for sending by the base station calculates a physical resource numbering that PUCCH is shared, and determine the physical resource numbering that each PUCCH is shared according to the signaling that the base station sends, described signaling is carried the relation of the physical resource numbering that the shared physical resource of a described PUCCH is numbered and other each PUCCH are shared, described descending control signaling is that the base station is determined to send after having disposed described identical PRB, the shared physical resource numbering of described descending control signaling is numbered in order to indicate a shared physical resource of PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB.
In the enforcement, sending module can comprise: first transmitter unit and/or second transmitter unit, wherein:
First transmitter unit is used for sending a plurality of PUCCH and many group corresponding reference symbols on identical PRB;
Second transmitter unit is used for sending a plurality of PUCCH and one group of reference symbol on identical PRB.
First transmitter unit can also be further used for making each PUCCH transmitting power identical, and the transmitting power sum is not more than the UE total emission power; It is identical that each organizes the reference symbol transmitting power, and the transmitting power sum is not more than the UE total emission power; And reference symbol and PUCCH transmitting power are set according to the power control mode of 3GPP R8.
Second transmitter unit can also be further used for making each PUCCH transmitting power identical, and the transmitting power sum is not more than the UE total emission power; Power control mode according to 3GPP R8 is provided with the PUCCH transmitting power; The transmitting power of reference symbol is provided with according to a plurality of PUCCH transmitting power sums, or is provided with separately, and its transmitted power is not more than the UE total emission power.
For the convenience of describing, the each several part of the above device is divided into various modules with function or the unit is described respectively.Certainly, when enforcement is of the present invention, can in same or a plurality of softwares or hardware, realize the function of each module or unit.
By above-mentioned execution mode as can be seen, the present invention in force, if the user sent many groups frequency pilot sign simultaneously, receiving terminal can carry out channel estimating with after organizing frequency pilot sign more and merging; Perhaps, if the user has sent many groups frequency pilot sign simultaneously, receiving terminal can estimate that respectively resulting channel estimation results merges with organizing frequency pilot sign more, thereby obtains comparatively stable, a reliable channel estimation results;
Perhaps, if the user uses bigger power only to send one group of frequency pilot sign, receiving terminal then uses frequency pilot sign to carry out channel estimating.
For the long evolving system that uses carrier aggregation, because user's transmitting power is limited, therefore when the user sent a plurality of ascending control channel simultaneously, the data on each ascending control channel and the transmitting power of pilot tone all will reduce.Power drop on the reference symbol will directly influence the reliability that receiving terminal carries out channel estimating, thereby reduces the demodulation performance of control information on each ascending control channel.And the transmission process scheme of the up channel that provides in the embodiment of the invention, terminal sends a plurality of ascending control channels simultaneously on identical PRB, because terminal is in same transmission channel, therefore the pilot power that sends is improved, and the reliability that makes the base station carry out the result of channel estimating based on these pilot tones also promotes thereupon.
Further, transmit a plurality of ascending control channels simultaneously, improved the reliability that receiving terminal carries out channel estimating, finally reached and improved the uplink control signaling demodulation performance by effective raising user.
Simultaneously, in the embodiment of the invention, the user sends a plurality of ascending control channels simultaneously on identical PRB, and with raising receiving terminal channel estimation reliability, thereby raising is to the scheme of the demodulation performance of control signaling.This scheme is simple, easy to implement, is applicable to FDD and TDD system simultaneously.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the 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, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
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, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (30)
1. the method for transmission processing of an ascending control channel is characterized in that, comprises the steps:
In the long evolving system of carrier aggregation, the base station configuration user equipment (UE) sends a plurality of Physical Uplink Control Channel PUCCH on identical Physical Resource Block PRB;
The base station receives a plurality of PUCCH and the reference symbol that UE sends on identical PRB, and carries out the channel estimation results that channel estimating obtains to be used for demodulation according to reference symbol.
2. the method for claim 1 is characterized in that, the base station, further comprises after sending a plurality of PUCCH on the identical Physical Resource Block PRB in configuration UE:
The described signaling of signaling that the base station sends to UE is carried the information of the shared physical resource numbering of each PUCCH of base station configuration, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
Or, the base station sends descending control signaling to UE after having disposed described identical PRB, described descending control signaling is that the base station is determined to send after having disposed described identical PRB, the shared physical resource numbering of described descending control signaling is numbered in order to indicate the shared physical resource of each PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
Or, the base station sends signaling to UE, described signaling is carried the relation of the physical resource numbering that the shared physical resource of a described PUCCH is numbered and other each PUCCH are shared, and after having disposed described identical PRB, send descending control signaling, the shared physical resource numbering of described descending control signaling is numbered in order to indicate a shared physical resource of PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB.
3. the method for claim 1 is characterized in that, when UE had sent many groups reference symbol, the channel estimation results that channel estimating obtains to be used for demodulation was carried out according to reference symbol in the base station, is specially:
The base station merges the many groups reference symbol that extracts respectively, and carries out the channel estimation results that channel estimating obtains to be used for demodulation based on the reference symbol after merging;
Or, after channel estimating is carried out respectively based on every group of reference symbol in the base station, and a plurality of channel estimation results are merged the channel estimation results that obtains to be used for demodulation.
4. method as claimed in claim 3 is characterized in that,
When the many groups reference symbol that extracts is respectively merged, use high specific to merge;
Or, when a plurality of channel estimation results are merged, a plurality of channel estimation results are got average or done smoothing processing.
5. the method for claim 1 is characterized in that, when UE sent one group of reference symbol, the channel estimation results that channel estimating obtains to be used for demodulation was carried out according to reference symbol in the base station, is specially:
The channel estimation results that channel estimating obtains to be used for demodulation is carried out based on described reference symbol in the base station.
6. as the arbitrary described method of claim 1 to 5, it is characterized in that, further comprise:
Use is used for the channel estimation results control information of a plurality of PUCCH of demodulation respectively of demodulation.
7. the method for transmission processing of an ascending control channel is characterized in that, comprises the steps:
In the long evolving system of carrier aggregation, UE determines to send the identical PRB of a plurality of PUCCH and reference symbol according to base station configuration;
On described identical PRB, send a plurality of PUCCH and reference symbol.
8. method as claimed in claim 7 is characterized in that, UE is specially according to the definite described identical PRB that sends a plurality of PUCCH and reference symbol of base station configuration:
The signaling that UE sends according to the base station is determined the described identical PRB of base station configuration, and described signaling is carried the information of the shared physical resource numbering of each PUCCH of base station configuration, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
Or, the shared physical resource numbering of the descending control signaling that UE sends by the base station calculates the shared physical resource numbering of each PUCCH, described descending control signaling is that the base station is determined to send after having disposed described identical PRB, the shared physical resource numbering of described descending control signaling is numbered in order to indicate the shared physical resource of each PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
Or, the shared physical resource numbering of the descending control signaling that UE sends by the base station calculates a physical resource numbering that PUCCH is shared, and determine the physical resource numbering that each PUCCH is shared according to the signaling that the base station sends, described signaling is carried the relation of the physical resource numbering that the shared physical resource of a described PUCCH is numbered and other each PUCCH are shared, described descending control signaling is that the base station is determined to send after having disposed described identical PRB, the shared physical resource numbering of described descending control signaling is numbered in order to indicate a shared physical resource of PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB.
9. method as claimed in claim 7 is characterized in that, UE sends a plurality of PUCCH and reference symbol on identical PRB, be specially:
UE sends a plurality of PUCCH and many group corresponding reference symbols on identical PRB.
10. method as claimed in claim 9 is characterized in that, when described UE sends a plurality of PUCCH and many group corresponding reference symbols on identical PRB,
Each PUCCH transmitting power is identical, and the transmitting power sum is not more than the UE total emission power;
It is identical that each organizes the reference symbol transmitting power, and the transmitting power sum is not more than the UE total emission power;
Power control mode according to 3GPP R8 is provided with reference symbol and PUCCH transmitting power.
11. method as claimed in claim 7 is characterized in that, UE sends a plurality of PUCCH and reference symbol on identical PRB, be specially:
UE sends a plurality of PUCCH and one group of reference symbol on identical PRB.
12. method as claimed in claim 11 is characterized in that, when described UE sends a plurality of PUCCH and one group of reference symbol on identical PRB,
Each PUCCH transmitting power is identical, and the transmitting power sum is not more than the UE total emission power;
Power control mode according to 3GPP R8 is provided with the PUCCH transmitting power;
The transmitting power of reference symbol is provided with according to a plurality of PUCCH transmitting power sums, or is provided with separately, and its transmitted power is not more than the UE total emission power.
13. a base station is characterized in that, in the long evolving system of carrier aggregation, the base station comprises:
Configuration module, configuration UE send a plurality of ascending control channels on identical PRB;
Receiver module is used to receive a plurality of PUCCH and the reference symbol that UE sends on identical PRB;
Processing module is used for carrying out the channel estimation results that channel estimating obtains to be used for demodulation according to reference symbol.
14. base station as claimed in claim 13, it is characterized in that, further comprise notification module, be used for sending signaling to UE, described signaling is carried the information of the shared physical resource numbering of each PUCCH of base station configuration, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
Or, after having disposed described identical PRB, send descending control signaling, the shared physical resource numbering of described descending control signaling is numbered in order to indicate the shared physical resource of each PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
Or, send signaling to UE, described signaling is carried the relation of the physical resource numbering that the shared physical resource of a described PUCCH is numbered and other each PUCCH are shared, and after having disposed described identical PRB, send descending control signaling, the shared physical resource numbering of described descending control signaling is numbered in order to indicate a shared physical resource of PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB.
15. base station as claimed in claim 13, it is characterized in that, described processing module is further used for when UE has sent many groups reference symbol, the many groups reference symbol that extracts is respectively merged, and carry out the channel estimation results that channel estimating obtains to be used for demodulation based on the reference symbol after merging; Or, carry out channel estimating respectively based on every group of reference symbol after, and a plurality of channel estimation results are merged the channel estimation results that obtains to be used for demodulation.
16. base station as claimed in claim 15 is characterized in that, when many groups reference symbol that described processing module is further used for extracting respectively merges, uses high specific to merge; Or, when a plurality of channel estimation results are merged, a plurality of channel estimation results are got average or done smoothing processing.
17. base station as claimed in claim 13 is characterized in that, described processing module is further used for when UE sends one group of reference symbol, carries out the channel estimation results that channel estimating obtains to be used for demodulation based on reference symbol.
18. as the described base station of claim 13 to 17, it is characterized in that, further comprise:
Demodulation module is used for using the channel estimation results control information of a plurality of PUCCH of demodulation respectively that is used for demodulation.
19. a subscriber equipment is characterized in that, in the long evolving system of carrier aggregation, comprising:
Determination module is used for according to base station configuration, determines to send the identical PRB of a plurality of PUCCH and reference symbol;
Sending module is used for sending a plurality of PUCCH and reference symbol on identical PRB.
20. subscriber equipment as claimed in claim 19 is characterized in that, described determination module comprises one of first determining unit, second determining unit, the 3rd determining unit or its combination, wherein:
First determining unit, be used for determining the described identical PRB of base station configuration according to the signaling that the base station sends, described signaling is carried the information of the shared physical resource numbering of each PUCCH of base station configuration, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
Second determining unit, the shared physical resource numbering of descending control signaling that is used for sending by the base station calculates the shared physical resource numbering of each PUCCH, described descending control signaling is that the base station is determined to send after having disposed described identical PRB, the shared physical resource numbering of described descending control signaling is numbered in order to indicate the shared physical resource of each PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
The 3rd determining unit, the shared physical resource numbering of descending control signaling that is used for sending by the base station calculates a physical resource numbering that PUCCH is shared, and determine the physical resource numbering that each PUCCH is shared according to the signaling that the base station sends, described signaling is carried the relation of the physical resource numbering that the shared physical resource of a described PUCCH is numbered and other each PUCCH are shared, described descending control signaling is that the base station is determined to send after having disposed described identical PRB, the shared physical resource numbering of described descending control signaling is numbered in order to indicate a shared physical resource of PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB.
21. subscriber equipment as claimed in claim 19 is characterized in that, described sending module comprises: first transmitter unit and/or second transmitter unit, wherein:
First transmitter unit is used for sending a plurality of PUCCH and many group corresponding reference symbols on identical PRB;
Second transmitter unit is used for sending a plurality of PUCCH and one group of reference symbol on identical PRB.
22. subscriber equipment as claimed in claim 21 is characterized in that, described first transmitter unit is further used for making each PUCCH transmitting power identical, and the transmitting power sum is not more than the UE total emission power; It is identical that each organizes the reference symbol transmitting power, and the transmitting power sum is not more than the UE total emission power; And reference symbol and PUCCH transmitting power are set according to the power control mode of 3GPP R8.
23. subscriber equipment as claimed in claim 21 is characterized in that, described second transmitter unit is further used for making each PUCCH transmitting power identical, and the transmitting power sum is not more than the UE total emission power; Power control mode according to 3GPP R8 is provided with the PUCCH transmitting power; The transmitting power of reference symbol is provided with according to a plurality of PUCCH transmitting power sums, or is provided with separately, and its transmitted power is not more than the UE total emission power.
24. the transmission process system of an ascending control channel is characterized in that, in the long evolving system of carrier aggregation, comprising: base station, UE, wherein:
The base station is used for configuration UE and sends a plurality of PUCCH on identical PRB;
UE is used for according to base station configuration, sends a plurality of PUCCH and reference symbol on described identical PRB;
The base station also is used to receive a plurality of PUCCH and the reference symbol that UE sends on identical PRB, and carries out the channel estimation results that channel estimating obtains to be used for demodulation according to reference symbol.
25. system as claimed in claim 24, it is characterized in that, described UE is further used for determining according to the signaling that the base station sends the described identical PRB of base station configuration, described signaling is carried the information of the shared physical resource numbering of each PUCCH of base station configuration, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
Or, the shared physical resource numbering of descending control signaling that sends by the base station calculates the shared physical resource numbering of each PUCCH, described descending control signaling is that the base station is determined to send after having disposed described identical PRB, the shared physical resource numbering of described descending control signaling is numbered in order to indicate the shared physical resource of each PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB;
Or, the shared physical resource numbering of descending control signaling that sends by the base station calculates a physical resource numbering that PUCCH is shared, and determine the physical resource numbering that each PUCCH is shared according to the signaling that the base station sends, described signaling is carried the relation of the physical resource numbering that the shared physical resource of a described PUCCH is numbered and other each PUCCH are shared, described descending control signaling is that the base station is determined to send after having disposed described identical PRB, the shared physical resource numbering of described descending control signaling is numbered in order to indicate a shared physical resource of PUCCH, and the shared physical resource numbering of described each PUCCH belongs to identical PRB.
26. system as claimed in claim 24 is characterized in that, described UE is further used for sending a plurality of PUCCH and many group corresponding reference symbols on identical PRB.
27. system as claimed in claim 26 is characterized in that, many groups reference symbol that described base station is further used for extracting respectively merges, and carries out the channel estimation results that channel estimating obtains to be used for demodulation based on the reference symbol after merging; Or, carry out channel estimating respectively based on every group of reference symbol after, and a plurality of channel estimation results are merged the channel estimation results that obtains to be used for demodulation.
28. system as claimed in claim 24 is characterized in that, described UE is further used for sending a plurality of PUCCH and one group of reference symbol on identical PRB.
29. system as claimed in claim 28 is characterized in that, described base station is further used for carrying out the channel estimation results that channel estimating obtains to be used for demodulation based on reference symbol.
30., it is characterized in that described base station is further used for using the channel estimation results control information of a plurality of PUCCH of demodulation respectively that is used for demodulation as the arbitrary described system of claim 24 to 29.
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