WO2014179966A1 - Procédé de transmission, procédé de réception, et dispositif de canal de commande de liaison montante pour système de communication radio - Google Patents

Procédé de transmission, procédé de réception, et dispositif de canal de commande de liaison montante pour système de communication radio Download PDF

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Publication number
WO2014179966A1
WO2014179966A1 PCT/CN2013/075408 CN2013075408W WO2014179966A1 WO 2014179966 A1 WO2014179966 A1 WO 2014179966A1 CN 2013075408 W CN2013075408 W CN 2013075408W WO 2014179966 A1 WO2014179966 A1 WO 2014179966A1
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WIPO (PCT)
Prior art keywords
pucch
occupies
format
resources
uplink control
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PCT/CN2013/075408
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English (en)
Chinese (zh)
Inventor
王轶
徐月巧
周华
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富士通株式会社
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Priority to PCT/CN2013/075408 priority Critical patent/WO2014179966A1/fr
Priority to CN201380073047.4A priority patent/CN104995977A/zh
Publication of WO2014179966A1 publication Critical patent/WO2014179966A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a method, a receiving method and a device for transmitting an uplink control channel of a wireless communication system, so as to improve resource utilization of an uplink control channel.
  • E-UTRA Evolved UMTS (Universal Mobile Telecommunications System) Terrestrial Radio Access) system
  • OFDM Orthogonal Frequency Division Multiplexing
  • SC-FDMA Single-Carrier Frequency-Division Multiple Access
  • uplink control information may include a hybrid ARQ mechanism an ACK / NACK feedback related to channel state rank indication (RI, Rank Indication), the channel The quality control information (CQI, Channel quality information) and the precoding matrix information (PMI, Precoding matrix information) 0
  • the uplink control information may be sent periodically or non-periodically, for example, based on trigger transmission.
  • the uplink control information may be sent through a Physical Uplink Control Channel (PUCCH) or may be sent through a Physical Uplink Shared Channel (PUSCH).
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • the uplink control channel may be classified into PUCCH Format l/la/lb, Format 2/2a/2b, and Format 3 according to the content of the uplink control information of the bearer.
  • PUCCH Format l/la/lb Format 2/2a/2b
  • Format 3 the content of the uplink control information of the bearer.
  • one PUCCH occupies a pair of resource blocks (RB (Resource Block) pair).
  • the pair of resource blocks respectively occupy the first time slot and the second time slot of different physical resource block pairs (PRB pairs), and respectively correspond to the top and bottom of the entire uplink system bandwidth, in order to obtain the frequency domain selective gain.
  • the RBs of the same pattern form an RB pair.
  • the PUCCH occupies all subcarriers of the entire RB, that is, 12 subcarriers.
  • the structure of the PUCCH and the PUCCH are different depending on the format.
  • the PUCCH of Format 1/la/lb has three OFDM symbols in the middle of each slot as a pilot (RS, Reference Signal), and the remaining four OFDM symbols carry UCI.
  • the PUCCHs of Format 2/2a/2b and format 3 are pilots in the second and fifth OFDM symbols of each slot, and the remaining 5 OFDM symbols carry UCI.
  • the design of the PUCCH enables multiple PUCCHs to be carried in one RB pair, which is implemented by code division multiplexing.
  • UE User Equipment
  • the design of the PUCCH enables multiple PUCCHs to be carried in one RB pair, which is implemented by code division multiplexing.
  • CS cyclic shifts
  • OCC Orthogonal Cover Codes
  • up to 12 users can be carried in one RB pair by assigning different 12 CSs.
  • up to 5 users can be carried in one RB pair by assigning 5 different OCCs.
  • the inventors have found that with the substantial increase of intelligent terminals, in the further evolution of the future LTE-A (Long Term Evolution-Advanced) system, the conventional macro base station (Macro Cell) ) may not be able to cope with such rapidly growing capacity and peak rate requirements.
  • the conventional macro base station Macro Cell
  • the user is closer to the base station in physical location, which can increase system capacity, increase peak rate and improve user terminal experience.
  • the deployment of high-power macro base stations can lead to problems such as excessive cost and non-green communication. Therefore, people began to consider low-power small cells, such as Pico cell, Femto cell, and RRH (Remote Radio Head).
  • small base stations Compared with macro base stations, small base stations have the advantages of low cost, fast and flexible deployment, and high cost performance. Therefore, small base stations are more suitable for outdoor hotspots, increasing network capacity, improving indoor deep coverage, and improving user perception. Therefore, small base stations will receive more and more attention from the industry. In future LTE-Advanced networks, the number of small base stations will exceed that of traditional macro base stations.
  • the coverage of the small base station is smaller than that of the macro base station, and a higher available frequency band can be utilized, such as 3.5 GHz, while the macro base station continues to use the existing relatively lower frequency band to provide larger and relatively robust coverage.
  • Small base stations often serve fewer users, for example, the typical number of service users is one or two users. Then, as mentioned above, in the PUCCH structure of the existing system for providing services for a large number of users, a large part of the PUCCH resources are not effectively utilized, thereby reducing resource utilization. Therefore, a more efficient PUCCH structure with a relatively higher PUCCH resource utilization ratio is desired.
  • An object of the embodiments of the present invention is to provide a method, a receiving method, and a device for transmitting an uplink control channel of a wireless communication system, so as to improve PUCCH resource utilization.
  • a method for transmitting an uplink control channel of a wireless communication system includes:
  • the user equipment sends multiple PUCCHs by using resources allocated to a physical uplink control channel (PUCCH), where each PUCCH occupies a pair of resource blocks, and in the frequency domain, the PUCCH occupies a part of subcarriers of each resource block; In the time domain, the PUCCH occupies all orthogonal frequency division multiplexing (OFDM) symbols of one subframe; on the code domain, the PUCCH occupies one or more codeword resources.
  • PUCCH physical uplink control channel
  • OFDM orthogonal frequency division multiplexing
  • a method for transmitting an uplink control channel of a wireless communication system includes:
  • the user equipment transmits multiple PUCCHs by using resources allocated to the PUCCH, where each PUCCH occupies a pair of resource blocks, and, in the frequency domain, the PUCCH occupies all subcarriers of each resource block; in the time domain, The PUCCH occupies a partial OFDM symbol of one subframe; in the code domain, the PUCCH occupies one or more codeword resources.
  • a method for transmitting an uplink control channel of a wireless communication system includes:
  • the user equipment transmits multiple PUCCHs by using resources allocated to the PUCCH, where each PUCCH occupies a pair of resource blocks, and, in the frequency domain, the PUCCH occupies a part of subcarriers of each resource block; in the time domain, The PUCCH occupies a partial OFDM symbol of one subframe; in the code domain, the PUCCH occupies one or more codeword resources.
  • a method for transmitting an uplink control channel of a wireless communication system includes:
  • the user equipment sends multiple PUCCHs by using resources allocated to the PUCCH, where each PUCCH occupies a pair of resource blocks, each PUCCH includes uplink control information and a pilot signal used for demodulating the uplink control information, and if The PUCCH is in the first format, and in the time domain, the pilot signal occupies 1 or 2 OFDM symbols in each slot, and if the PUCCH is in the second format or the third format, in the time domain. The pilot signal occupies 1 OFDM symbol per slot.
  • a method for transmitting an uplink control channel of a wireless communication system includes: The user equipment sends multiple PUCCHs by using resources allocated to the PUCCH, where each PUCCH occupies a pair of resource blocks, each PUCCH includes uplink control information and pilot signals used for demodulating the uplink control information, and On the domain, the pilot signal occupies part of the subcarriers of each resource block.
  • a method for transmitting an uplink control channel of a wireless communication system includes:
  • the user equipment sends multiple PUCCHs by using resources allocated to the PUCCH, where each PUCCH occupies a pair of resource blocks, each PUCCH includes uplink control information and a pilot signal used to demodulate the uplink control information, and The pilot signal occupies a portion of the subcarriers of each resource block; if the PUCCH is in the first format, the pilot signal occupies 1 or 2 OFDM per slot in the time domain. The symbol, if the PUCCH is the second format or the third format, in the time domain, the pilot signal occupies 1 OFDM symbol of each slot.
  • a user equipment UE
  • the UE includes:
  • a transmitting unit which uses a resource allocated to a PUCCH to transmit a plurality of PUCCHs, where each PUCCH occupies a pair of resource blocks, and, in the frequency domain, the PUCCH occupies a part of subcarriers of each resource block;
  • the PUCCH occupies all OFDM symbols of one subframe; in the code domain, the PUCCH occupies one or more codeword resources.
  • a user equipment UE
  • the UE includes:
  • a transmitting unit which uses a resource allocated to a PUCCH to transmit a plurality of PUCCHs, where each PUCCH occupies a pair of resource blocks, and, in the frequency domain, the PUCCH occupies all subcarriers of each resource block; And the PUCCH occupies a partial OFDM symbol of one subframe; in the code domain, the PUCCH occupies one or more codeword resources.
  • a user equipment UE
  • the UE includes:
  • a transmitting unit which uses a resource allocated to a PUCCH to transmit a plurality of PUCCHs, where each PUCCH occupies a pair of resource blocks, and, in the frequency domain, the PUCCH occupies a part of subcarriers of each resource block; And the PUCCH occupies a partial OFDM symbol of one subframe; in the code domain, the PUCCH occupies one or more codeword resources.
  • a user equipment UE
  • the UE includes:
  • a transmitting unit which uses a resource allocated to the PUCCH to transmit a plurality of PUCCHs, where each PUCCH occupies a pair of resource blocks, each PUCCH includes uplink control information and a pilot signal used for demodulating the uplink control information, and If the PUCCH is in the first format, the pilot signal occupies 1 or 2 OFDM symbols of each slot in the time domain, and if the PUCCH is in the second format or the third format, then On the domain, the pilot signal occupies 1 OFDM symbol of each slot.
  • a user equipment UE
  • the UE includes:
  • each PUCCH occupies a pair of resource blocks, each PUCCH includes uplink control information and a pilot signal used for demodulating the uplink control information, and In the frequency domain, the pilot signal occupies a portion of the subcarriers of each resource block.
  • a user equipment UE
  • the UE includes:
  • each PUCCH occupies a pair of resource blocks, each PUCCH includes uplink control information and a pilot signal used for demodulating the uplink control information, and
  • the pilot signal occupies a part of subcarriers of each resource block; if the PUCCH is in the first format, in the time domain, the pilot signal occupies 1 or 2 of each time slot. OFDM symbols, if the PUCCH is in the second format or the third format, the pilot signal occupies 1 OFDM symbol of each slot in the time domain.
  • a method for receiving an uplink control channel of a wireless communication system includes:
  • the base station receives a plurality of PUCCHs on a resource allocated to the PUCCH, where each PUCCH occupies a pair of resource blocks, and the PUCCH occupies a portion of the subcarriers of each resource block in the frequency domain; and/or the PUCCH Part of the OFDM symbol occupying one subframe in the time domain; and the PUCCH occupies one or more codeword resources on the code domain.
  • a base station device where the base station device includes:
  • a receiving unit that receives a plurality of PUCCHs on resources allocated to the PUCCH, where each PUCCH A pair of resource blocks are occupied, and the PUCCH occupies a part of subcarriers of each resource block in a frequency domain; and/or the PUCCH occupies a partial OFDM symbol of one subframe in a time domain; and, the PUCCH One or more codeword resources are occupied on the code domain.
  • a communication system includes the user equipment according to any one of the seventh to twelfth aspects, and the base station according to the fourteenth aspect. device.
  • a computer readable program wherein when the program is executed in a terminal device, the program causes the computer to execute any one of the foregoing first to sixth aspects in the terminal device.
  • a storage medium storing a computer readable program, wherein the computer readable program causes the computer to perform the method of any one of the aforementioned first to sixth aspects in the terminal device A method of transmitting an uplink control channel of a wireless communication system.
  • a computer readable program wherein when the program is executed in a base station device, the program causes the computer to perform the wireless communication described in the thirteenth aspect in the base station device The method of receiving the uplink control channel of the system.
  • a storage medium storing a computer readable program, wherein the computer readable program causes a computer to perform uplink control of the wireless communication system according to the thirteenth aspect in the base station device Channel receiving method.
  • the beneficial effects of the embodiments of the present invention are as follows:
  • the method and apparatus provided by the embodiments of the present invention improve the resource utilization of the PUCCH by reducing the PUCCH or the density of the pilot signals used for demodulating the PUCCH.
  • FIG. 1 is a schematic diagram of distribution of PUCCH of an LTE system over the entire system bandwidth
  • FIG. 2 is a schematic diagram showing the distribution of RS and PUCCH of PUCCH of Format 1/la/lb in each slot;
  • FIG. 3 is a distribution of RS and PUCCH of PUCCH of Format 2/2a/2b/3 in each slot.
  • FIG. 4 is a flowchart of a method for transmitting an uplink control channel that reduces the density of a PUCCH in a frequency domain;
  • FIG. 5 is a schematic diagram of a PUCCH in which a frequency domain resource is halved;
  • FIG. 6 is a flowchart of a method for transmitting an uplink control channel for reducing a density of a PUCCH in a time domain
  • FIG. 7 is a schematic diagram of a PUCCH for reducing a time domain resource
  • FIG. 8 is a flow chart of a method of transmitting an uplink control channel that reduces PUCCH density in the frequency domain and in the time domain;
  • FIG. 9 is a flowchart of a method for reducing a density of a pilot signal for demodulating a PUCCH in a time domain;
  • FIG. 10 is a schematic diagram of a pilot signal for demodulating a PUCCH format 1/la/lb for time domain resource reduction;
  • 11 is a schematic diagram of a pilot signal for demodulating PUCCH format 2/2a/2b with reduced time domain resources;
  • FIG. 12 is a schematic diagram of simultaneously reducing a PUCCH carrying UCI and a pilot signal for PUCCH demodulation;
  • FIG. 13 is a flow chart of a method for reducing the density of pilot signals used for demodulating PUCCH in the frequency domain
  • FIG. 14 is a flowchart of a method for reducing the density of pilot signals used for demodulating PUCCH in the time domain and in the frequency domain
  • 15 is a schematic diagram showing the composition of a UE that reduces the density of a PUCCH in a frequency domain
  • 16 is a schematic diagram showing the composition of a UE that reduces the density of a PUCCH in the time domain;
  • 17 is a schematic diagram showing the composition of a UE that reduces the density of a PUCCH in the frequency domain and in the time domain;
  • FIG. 18 is a schematic diagram of a composition of a UE that reduces a density of a pilot signal used for demodulating a PUCCH in the time domain
  • FIG. 19 is a schematic diagram of a composition of a UE that reduces a density of a pilot signal used for demodulating a PUCCH in a frequency domain
  • 20 is a group of UEs that reduce the density of pilot signals used to demodulate PUCCH in the frequency domain and in the time domain.
  • 21 is a flowchart of a method for receiving an uplink control channel according to an embodiment of the present invention.
  • FIG. 22 is a schematic diagram showing the composition of a base station device according to an embodiment of the present invention. detailed description
  • the embodiments of the present invention describe the method and apparatus of the embodiments of the present invention by taking the PUCCH in the LTE system as an example, but it can be understood that the present invention
  • the embodiment is not limited to the above uplink control channel, and is applicable to other PUCCHs related to the uplink control channel, such as enhanced PUCCH.
  • the pilot signal can be reduced by the density of the pilot, for example, in the time domain by three times per slot (for example, the format of the PUCCH shown in FIG. 2) to one per slot or Two, or reduce the pilot signal by two per time slot (such as the format of the PUCCH shown in Figure 3) to one per time slot.
  • the embodiment of the invention provides a method for transmitting an uplink control channel of a wireless communication system, which improves the resource utilization of the PUCCH by reducing the frequency domain density of the PUCCH.
  • 4 is a flow chart of the method. Referring to FIG. 4, the method includes:
  • Step 401 The user equipment sends multiple PUCCHs by using resources allocated to the PUCCH, where each PUCCH occupies a pair of resource blocks, and in the frequency domain, the PUCCH occupies a part of subcarriers of each resource block; The PUCCH occupies all OFDM symbols of one subframe; in the code domain, the PUCCH occupies one or more codeword resources.
  • the PUCCH occupies only a part of subcarriers in one RB pair in the frequency domain, and the remaining subcarriers may be used to transmit a PUSCH or to transmit a pilot signal (RS) for PUSCH demodulation.
  • the PUCCH still occupies 14 OFDM symbols in the time domain, which includes not only the PUCCH itself but also the pilot signal for PUCCH demodulation.
  • one PUCCH can occupy the only one Codeword resources, for example occupying a single CS and OCC, can also occupy multiple codeword resources, such as occupying multiple CSs or multiple 0CCs.
  • each RB in the frequency domain includes 12 subcarriers.
  • the PUCCH may occupy 6 subcarriers of 12 subcarriers of each RB.
  • the 6 subcarriers may be located in 12 subcarriers in the frequency domain in the form of a dressing, as shown in the left side of FIG. 5, or may be located in a block form in 12 subcarriers in the frequency domain, as shown in FIG. 5. Shown on the right.
  • the figure of the PUCCH after reducing the frequency domain resource shown in FIG. 5 is only an example, and the embodiment of the present invention is not limited thereto, except for the example of the PUCCH in which the frequency domain resource is halved in one RB as shown in FIG. 5 .
  • the PUCCH after the frequency domain resource is reduced may also be other patterns, or the PUCCH after the frequency domain is reduced may be reduced by other numbers of subcarriers instead of the subcarriers, which is in the embodiment of the present invention. Do not use this as a limit.
  • the user equipment may send the multiple PUCCHs with a predetermined transmit power, where the predetermined transmit power may be greater than a transmit power of a regular PUCCH.
  • the frequency of the PUCCH is reduced. Therefore, the transmit power of each RE of the PUCCH can be increased accordingly, for example, by twice the original transmit power, thereby ensuring that the total transmit power of the PUCCH is unchanged. Receive performance of PUCCH.
  • step 401 if the PUCCH in the pair of resource blocks includes the first format and the second format, The time domain resource and the frequency domain resource occupied by the PUCCH of the first format and the PUCCH of the second format are the same, and the PUCCH of the first format and the PUCCH of the second format are The code domain resources occupied are different. For example, in an RB pair, there are both PUCCH format 1/la/lb and PUCCH format 2/2a/2b. In this case, regardless of the format of the PUCCH, the occupied time domain resources and frequency domain resources are the same.
  • all of the 14 OFDM symbols (on the time domain) occupying one subframe and the subcarriers (in the frequency domain) of the odd-numbered numbers in each RB are different, except that the codeword resources occupied by PUCCHs of different formats are different. , that is, occupy different CS resources.
  • unoccupied time-frequency resources can be used for the RS of the PUSCH or PUSCH.
  • the multiple PUCCHs regardless of their format, have the same location of the frequency domain resources occupied by the respective pair of resource blocks (the same number of subcarriers) . That is, if a PUCCH occupies the position of the subcarrier shown in the left side of FIG. 5 in its RB pair, then The other PUCCHs also occupy the position of the subcarriers shown in the left side of FIG. 5 in their respective RB pairs. Therefore, the resources occupied by the PUCCH are fixed, which is advantageous for implementation.
  • step 401 in a pair of resource blocks occupied by each PUCCH, PUCCH and pilots used for PUCCH demodulation occupy the same frequency domain resource and occupy different time domain resources (ie, different OFDM symbol).
  • PUCCH and pilot signals used for PUCCH demodulation occupy the same frequency domain resource and occupy different time domain resources (ie, different OFDM symbol).
  • the PUCCH and its pilot signals occupy the same frequency domain resource, different time domain resources, and then Referring to FIG. 5, for example, the PUCCH and its pilot signals occupy the first, third, fifth, seventh, and eleventh subcarriers of each RB, but the PUCCH occupies 1, 2, 6, and 7 of the time slot.
  • the OFDM symbols, and their pilot signals occupy the 3rd, 4th, and 5th OFDM symbols of the slot.
  • one PUCCH may occupy one codeword resource, and may also occupy multiple codeword resources, for example, may occupy multiple CSs or multiple OCCs. Preferably, two PUs may be occupied or occupied. 2 different OCCs.
  • the modulation coding rate of the PUCCH may be the same as the modulation coding rate of the existing system (that is, the modulation coding rate of the conventional PUCCH). For example, it can be adjusted by the occupied codeword resource and the reduced number of subcarriers.
  • one codeword resource may still be allocated for one PUCCH, but the transmission power on each RE is increased.
  • the transmission power may be doubled. The total transmission power of the PUCCH is unchanged.
  • multiple codeword resources may also be allocated for one PUCCH.
  • 0) is an ACK/NACK modulation symbol, which is mapped to the PUCCH physical resource after being spread by the sequence.
  • p ) eJap X v ⁇ ⁇ n ⁇ 2, which is the cyclic displacement (CS), and v (") is a random sequence.
  • n 0,1,..., CCH -1 ( 1 )
  • N eeH 12 or M
  • M is the number of subcarriers occupied after the PUCCH frequency domain density is reduced.
  • the finally transmitted PUCCH is obtained by adding the ⁇ of different codeword resources. It is worth noting that with PUCCH As the frequency domain density decreases, the length of the PUCCH frequency domain sequence also decreases. Therefore, the sequence of the new PUCCH can be obtained by puncturing the original sequence, that is, the sequence of the new PUCCH is the same as the original subcarrier number of the original PUCCH sequence, and the same OFDM symbol number. Or as a sequence of PUCCH by generating a new shortened random sequence. The new shortened random sequence needs to have better autocorrelation and cross-correlation properties to ensure the interference randomization effect of PUCCH sequences between cells.
  • PUCCH sequence For PUCCH format 1/la/lb, if a PUCCH format 1/la/lb occupies only one codeword resource, the PUCCH sequence is:
  • PUCCH sequences on these subcarriers are:
  • PUCCH sequences on these subcarriers are:
  • the frequency domain density may be other than 1/2.
  • the meanings of the parameters in the above formula are the same as the existing standards, and will not be described here.
  • the remaining resources that is, the remaining unoccupied subcarriers (in the pair of resource blocks occupied by each PUCCH, other resources than the occupied resources) may be used for transmission.
  • the PUSCH may also be used to transmit pilots for PUSCH demodulation, or may not transmit anything, and vacate such resources to reduce interference to other UEs.
  • the method of this embodiment improves the resource utilization of the PUCCH by reducing the frequency domain density of the PUCCH.
  • Embodiments of the present invention provide a method for transmitting an uplink control channel of a wireless communication system, which improves resource utilization of a PUCCH by reducing a time domain density of a PUCCH for carrying a UCI.
  • Figure 6 is a flow chart of the method. Referring to Figure 6, the method includes:
  • Step 601 The user equipment sends multiple PUCCHs by using resources allocated to the PUCCH, where each PUCCH occupies a pair of resource blocks, and in the frequency domain, the PUCCH occupies all subcarriers of each resource block;
  • the PUCCH occupies a partial OFDM symbol of one subframe; in the code domain, the PUCCH occupies one or more codeword resources.
  • the PUCCH occupies only one intra-frame partial OFDM symbol in the time domain, and the remaining OFDM symbols may be used to transmit a PUSCH or to transmit a pilot signal for PUSCH demodulation.
  • the PUCCH occupies M OFDM symbols in 14 OFDM symbols in the time domain, and the M OFDM symbols include not only a PUCCH carrying UCI but also a pilot signal (RS) for PUCCH demodulation.
  • the PUCCH occupies all subcarriers of one RB pair in the frequency domain, that is, 12 subcarriers.
  • a PUCCH can occupy a unique CS and OCC, and can also occupy Use multiple codeword resources, such as occupying multiple OCCs or multiple CSs.
  • the PUCCH occupies 4 OFDM symbols in the 14 OFDM symbols of the subframe, and is used for the PUCCH in the first format.
  • the demodulated pilot signal occupies 6 of the 14 OFDM symbols of the subframe.
  • the first format may be format 1/la/lb, that is, PUCCH Format 1/la/lb only occupies 4 OFDM symbols in 14 OFDM symbols, and is used for PUCCH Format 1/la/lb demodulation.
  • the frequency signal occupies 6 of the 14 OFDM symbols.
  • the PUCCH occupies 6 OFDM symbols in the 14 OFDM symbols of the subframe, and is used in the foregoing
  • the PUCCH demodulated pilot signal of the second format or the third format occupies 4 of the 14 OFDM symbols of the subframe.
  • the second format may be format 2/2a/2b
  • the third format may be format 3, that is, PUCCH Format 2/2a/2b/3 occupies only 6 of the 14 OFDM symbols for PUCCH.
  • the Format 2/2a/2b/3 demodulated pilot signal occupies 4 of the 14 OFDM symbols.
  • the power of each RE of the PUCCH can be increased, for example, by an increase of N times.
  • This value can be determined by the ratio of the OFDM symbol occupied by the PUCCH to the OFDM symbol of the entire subframe.
  • the occupied time-frequency resources are the same, but occupy different Code resources, ie different CS resources.
  • the PUCCHs of all formats occupy the same location of the time domain resources in the respective RB pairs. That is, each PUCCH, regardless of its format, occupies the same time domain resource (the same number of OFDM symbols) in each RB pair.
  • the PUCCH carrying the UCI and the pilot used for PUCCH demodulation may occupy the same frequency domain resource and different time domain resources, that is, different OFDM symbols.
  • the transmission of the PUSCH and the pilot used for PUSCH demodulation may also be transmitted without any vacancy, so as to reduce interference to the UE.
  • the PUCCH may occupy L different CSs or L different OCCs, where L is Greater than The natural number of 2.
  • Figure 7 is a schematic diagram of a PUCCH within one RB with reduced time domain resources.
  • the left side is a schematic diagram of the position of a PUCCH of format 1/la/lb in one RB
  • the right side is a position of a PUCCH of format 2/2a/2b in one RB.
  • the PUCCH format 1/la/lb carrying the UCI occupies only 4 OFDM symbols in 14 OFDM symbols, that is, the 2nd and 6 OFDM symbols occupying each slot are used for
  • the PUCCH formatl/la/lb demodulated pilot signal occupies the 3rd to 5th OFDM symbols of each slot.
  • the PUCCH format 2/2a/2b carrying the UCI occupies only 6 OFDM symbols in 14 OFDM symbols, that is, 3 to 5 OFDM symbols occupying each slot, and is used for PUCCH.
  • the format 2/2a/2b demodulated pilot signal occupies the 2nd and 6th OFDM symbols of each slot. As shown in FIG. 7 , only the number of OFDM symbols occupied by the time domain and the OFDM symbol position may be otherwise. This embodiment is not limited thereto.
  • one codeword resource may still be allocated for one PUCCH, but the transmission power on each RE is increased, for example, in this example, Format 1/ La/lb can double the transmit power.
  • multiple codeword resources may also be allocated for one PUCCH. For example, assign 2 different CSs to the PUCCH of Format 1/la/lb. That is, the PUCCH is transmitted in two layers of space division multiplexing, and each layer is spread by a base sequence, a CS, and an OCC. As shown in equation (2),
  • the PUCCH sequences on the subcarriers are respectively:
  • the PUCCH sequences on the subcarriers are respectively:
  • the OCC length in the time domain is also reduced.
  • the number of OFDM symbols occupied by the PUCCH is reduced from 4 to 2
  • the length of the OCC sequence is also reduced from 4 to 2, as shown in Table 2.
  • the method of this embodiment improves the resource utilization of the PUCCH by reducing the time domain density of the PUCCH.
  • the embodiment of the invention provides a method for transmitting an uplink control channel of a wireless communication system, which improves the resource utilization rate of the PUCCH by reducing the frequency domain density of the PUCCH and reducing the time domain density of the PUCCH.
  • Figure 8 is a flow chart of the method. Referring to Figure 8, the method includes:
  • Step 801 The user equipment sends multiple PUCCHs by using resources allocated to the PUCCH, where each
  • the PUCCH occupies a pair of resource blocks, and in the frequency domain, the PUCCH occupies a part of the subcarriers of each resource block; in the time domain, the PUCCH occupies a partial OFDM symbol of one subframe; The PUCCH occupies one or more codeword resources.
  • the method for reducing the subcarriers occupied by the PUCCH in the frequency domain is the same as that of the first embodiment, and the content thereof is incorporated herein, and details are not described herein again.
  • the method for reducing the OFDM symbol occupied by the PUCCH in the time domain is the same as that of the second embodiment, and the content thereof is incorporated herein, and details are not described herein again.
  • the codeword resources occupied by the PUCCH in the code domain are the same as those in the first embodiment or the second embodiment, and the content thereof is incorporated herein, and details are not described herein.
  • the frequency domain and the time domain resource occupied by the PUCCH are reduced, and the remaining resources can be used for transmitting data, thereby improving resource utilization of the uplink control channel.
  • the resource utilization of the PUCCH is improved by reducing the density of the PUCCH in the time domain and/or the frequency domain, where the PUCCH includes both uplink control information (also referred to as PUCCH carrying UCI). Also included is a pilot signal (also referred to as a pilot signal for demodulating PUCCH or a pilot signal for PUCCH demodulation) for demodulating the uplink control information. That is, the above embodiment improves the resource utilization of the PUCCH by simultaneously reducing the uplink control information and the density of the pilot signal used to demodulate the uplink control information in the time domain and/or the frequency domain.
  • the density of the PUCCH carrying the UCI on the time-frequency resource may not be reduced, and only the density of the pilot signal used for PUCCH demodulation on the time-frequency resource may be reduced to improve the resource utilization. This will be described in detail below by way of Example 4 - Example 6.
  • the embodiment of the invention further provides a method for transmitting an uplink control channel of a wireless communication system, which improves the resource utilization rate of the PUCCH by reducing the density of the pilot signal used for PUCCH demodulation in the time domain.
  • Figure 9 is a flow chart of the method. Referring to Figure 9, the method includes:
  • Step 901 The user equipment sends multiple PUCCHs by using resources allocated to the PUCCH, where each PUCCH occupies a pair of resource blocks, and each PUCCH includes uplink control information and a pilot signal used for demodulating the uplink control information, and If the PUCCH is in the first format, the pilot signal occupies 1 or 2 OFDM symbols in each time slot in the time domain, and if the PUCCH is in the second format or the third format, In the time domain, the pilot signal occupies 1 OFDM symbol per slot.
  • the density of the PUCCH carrying the UCI in the time domain is different from that in the second embodiment.
  • This embodiment reduces the density of the pilot signal used for demodulating the PUCCH in the time domain. For example, the 3 OFDM occupied by the pilot signal used to demodulate the PUCCH occupies 1 or 2 of each slot; or, the pilot signal used to demodulate the PUCCH occupies each The 2 OFDM symbols of the slot are reduced to occupy 1 OFDM symbol per slot.
  • the first format may be format l/la/lb
  • the second format may be format 2/2a/2b
  • the third format may be format 3.
  • the pilot used to demodulate the PUCCH of format 1/1 a/lb occupies 3 OFDM symbols per slot, and the density is reduced by the method of this embodiment, only Take up 1 or 2 OFDM symbols.
  • the pilot occupancy of the PUCCH used to demodulate the format 2/2a/2b/3 is The 2 OFDM symbols of the time slots are reduced in density by the method of this embodiment, occupying only 1 OFDM symbol.
  • the density of the pilot signal used for demodulating the PUCCH does not change, that is, 12 subcarriers of each RB are still occupied.
  • the length of the time domain spreading code becomes shorter, which is the same as the OFDM number occupied by the pilot signal.
  • the remaining OFDM symbols can be used to transmit the PUCCH carrying the UCI, can support a larger UCI overhead, or improve the detection performance of the same UCI overhead; and can also be used for transmitting the PUSCH and for PUSCH demodulation.
  • the pilot can also be empty, that is, the remaining OFDM symbols no longer transmit any content to reduce interference to other UEs.
  • FIG. 10 is a schematic diagram of the pilot for PUCCH format 1/la/lb demodulation after reducing the density in the time domain, as shown on the left side of FIG. 10, in this embodiment, the guide of PUCCH Format 1/la/lb
  • the frequency is reduced by 1 OFDM symbol per slot, as shown on the right side of FIG. 10, in this embodiment, the pilot of PUCCH Format 1/la/lb is reduced for 2 OFDM symbols per slot.
  • the vacant OFDM symbols (the 3rd, 5th OFDM symbols shown on the left side of FIG. 10, and the 4th OFDM symbols shown on the right side of FIG. 10) can be used for transmitting PUCCH, and can also be used for transmitting PUSCH and for PUSCH solution.
  • the pilot is adjusted, and nothing can be transmitted. This part of the resources is vacated to avoid interference with the UE.
  • FIG. 11 is a schematic diagram of pilots for PUCCH format 2/2a/2b demodulation reduced in density in the time domain.
  • the pilot used for PUCCH format 2/2a/2b demodulation is reduced to 1 OFDM per slot.
  • the pilot used for PUCCH format 2/2a/2b demodulation occupies the 2nd OFDM symbol of each slot, and the resource of the 6th OFDM symbol is vacated;
  • the pilot used for PUCCH fo r mat 2/2a/2b demodulation occupies the sixth OFDM symbol of each slot, and the second OFDM symbol is vacated.
  • the pilot used for PUCCH format 2/2a/2b demodulation occupies the 4th OFDM symbol of each slot, and the 6th OFDM symbol is vacated. resource of.
  • the density of the PUCCH carrying the UCI (uplink control information) and the pilot signal used for demodulating the PUCCH can also be reduced in the time domain at the same time. That is, the method of Embodiment 2 and the method of the embodiment can be In conjunction with.
  • the 2nd and 6th OFDM symbols of each slot are PUCCH
  • the 3rd and 5th OFDM symbols of each slot are for PUCCH formant 1/la /lb demodulated pilot
  • the remaining 3 OFDM can be used to transmit PUSCH, for example, the 4th OFDM symbol of the first slot is used for pilot transmission of PUSCH, and the remaining OFDM symbols (1st, 7th The OFDM symbols are used for PUSCH transmission, as shown on the left side of Figure 12.
  • the 3rd, 5th, and 6th OFDM symbols of each slot are PUCCH, and the 2nd OFDM symbol of each slot is used for PUCCH formant 2/2a/2b solution
  • the modulated pilot, the remaining 3 OFDMs can be used to transmit the PUSCH, for example, the 4th OFDM symbol of the first slot is used for pilot transmission of the PUSCH, and the remaining OFDM symbols (1st, 7th OFDM symbols) ) Used for PUSCH transmission, as shown on the right side of Figure 12.
  • the embodiment of the invention further provides a method for transmitting an uplink control channel of a wireless communication system, which improves the resource utilization rate of the PUCCH by reducing the density of the pilot signal used for PUCCH demodulation in the frequency domain.
  • Figure 13 is a flow chart of the method. Referring to Figure 13, the method includes:
  • Step 1301 The user equipment sends multiple PUCCHs by using resources allocated to the PUCCH, where each PUCCH occupies a pair of resource blocks, and each PUCCH includes uplink control information and a pilot signal used for demodulating the uplink control information, and In the frequency domain, the pilot signal occupies part of the subcarriers of each resource block.
  • the manner of reducing the density of the PUCCH (including the UCI-bearing PUCCH and the pilot signal used for demodulating the PUCCH) in the frequency domain is different from that in Embodiment 1, and the embodiment only reduces the PUCCH for demodulating the PUCCH.
  • the density of the pilot signal in the frequency domain For example, the pilot signal used for PUCCH demodulation occupies only 6 of the 12 subcarriers of one RB.
  • the pilot signal used for PUCCH demodulation may be in the form of a dressing or a block. The form, or other forms, may not be limited thereto.
  • the remaining subcarriers can be used to transmit the bearer UCI.
  • the PUCCH can also be used to transmit the PUSCH and the pilot signal used to demodulate the PUSCH, and can also transmit nothing, and vacate the resources to reduce interference to other UEs.
  • the density of the pilot signal used for demodulating the PUCCH in the frequency domain is reduced by the method of the embodiment, and the resource utilization rate can also be improved.
  • the embodiment of the present invention further provides a method for transmitting an uplink control channel of a wireless communication system, which is a combination of the method of Embodiment 4 and the method of Embodiment 5, that is, the method of the embodiment is used for both Demodulating the density of the pilot signal of the PUCCH in the time domain again reduces the density of the pilot signal used to demodulate the PUCCH in the frequency domain to improve resource utilization.
  • 14 is a flowchart of the method. Referring to FIG. 14, the method includes: Step 1401: A user equipment sends multiple PUCCHs by using resources allocated to a PUCCH, where each PUCCH occupies a pair of resource blocks, and each PUCCH includes an uplink.
  • Control information and a pilot signal for demodulating the uplink control information and, in the frequency domain, the pilot signal occupies a portion of subcarriers of each resource block; if the PUCCH is in a first format, then In the time domain, the pilot signal occupies 1 or 2 OFDM symbols of each slot. If the PUCCH is in the second format or the third format, in the time domain, the pilot signals occupy each one. 1 OFDM symbol of a slot.
  • the method for reducing the density of the pilot signal used for demodulating the PUCCH in the time domain can be implemented by the method of Embodiment 4, reducing the density of the pilot signal used for demodulating the PUCCH in the frequency domain.
  • the method can be implemented by the method of Embodiment 5, and the content thereof is incorporated herein, and details are not described herein again.
  • the method of the embodiment reduces the density of the pilot signal used for demodulating the PUCCH in the time domain and reduces the density of the pilot signal used for demodulating the PUCCH in the frequency domain, thereby improving resource utilization.
  • the embodiment of the present invention further provides a user equipment, as described in the following embodiment 7.
  • the principle of the user equipment is similar to that of the first embodiment. Therefore, the implementation of the user equipment of the seventh embodiment can be implemented by referring to the implementation. The implementation of the method of Example 1 is not repeated here.
  • the embodiment of the invention further provides a user equipment (UE), which improves resource utilization by reducing the density of the PUCCH in the frequency domain.
  • UE user equipment
  • 15 is a schematic diagram of the composition of the UE.
  • the UE includes: a sending unit 151, which uses a resource allocated to a PUCCH to send multiple PUCCHs, where each PUCCH occupies a pair of resource blocks, and On the domain, the PUCCH occupies part of the subcarriers of each resource block; in the time domain, the PUCCH occupies all OFDM symbols of one subframe; in the code domain, the PUCCH occupies one or more codeword resources.
  • the user equipment of this embodiment can improve resource utilization by reducing the density of the PUCCH in the frequency domain.
  • the embodiment of the present invention further provides a user equipment, as described in the following embodiment 8.
  • the principle of the user equipment is similar to that of the second embodiment. Therefore, the implementation of the user equipment in the eighth embodiment can be implemented by referring to the implementation. The implementation of the method of Example 2, the same contents will not be repeated.
  • the embodiment of the invention further provides a user equipment (UE), which improves resource utilization by reducing the density of the PUCCH in the time domain.
  • UE user equipment
  • 16 is a schematic diagram of the composition of the UE.
  • the UE includes: a sending unit 161, which uses a resource allocated to a PUCCH to send multiple PUCCHs, where each PUCCH occupies a pair of resource blocks, and On the domain, the PUCCH occupies all subcarriers of each resource block; in the time domain, the PUCCH occupies a partial OFDM symbol of one subframe; in the code domain, the PUCCH occupies one or more codeword resources.
  • the user equipment of this embodiment can improve resource utilization by reducing the density of the PUCCH in the time domain.
  • the embodiment of the present invention further provides a user equipment, as described in the following embodiment 9.
  • the principle of the user equipment is similar to that of the third embodiment. Therefore, the implementation of the user equipment of the embodiment 9 can be implemented by referring to the implementation.
  • the implementation of the method of Example 3, the same contents will not be repeated.
  • the embodiment of the invention further provides a user equipment (UE), which improves resource utilization by reducing PUCCH density in the frequency domain and in the time domain.
  • FIG. 17 is a schematic diagram of the composition of the UE. As shown in FIG. 17, the UE includes:
  • a sending unit 171 which uses a resource allocated to a PUCCH to transmit a plurality of PUCCHs, where each PUCCH occupies a pair of resource blocks, and, in the frequency domain, the PUCCH occupies a part of subcarriers of each resource block;
  • the PUCCH occupies a partial OFDM symbol of one subframe; in the code domain, the PUCCH occupies one or more codeword resources.
  • the user equipment of this embodiment can improve resource utilization by reducing the density of the PUCCH in the frequency domain and in the time domain.
  • the embodiment of the present invention further provides a user equipment, as described in the following embodiment 10.
  • the principle of the user equipment is similar to that of the fourth embodiment. Therefore, the implementation of the user equipment in the embodiment 10 can be implemented by referring to the implementation. The implementation of the method of Example 4, the same contents will not be repeated.
  • Example 10
  • the embodiment of the invention further provides a user equipment (UE), which improves resource utilization by reducing PUCCH density in the frequency domain and in the time domain.
  • UE user equipment
  • 18 is a schematic diagram of the composition of the UE. As shown in FIG. 18, the UE includes:
  • a transmitting unit 181 which transmits a plurality of PUCCHs by using resources allocated to the PUCCH, where each
  • the PUCCH occupies a pair of resource blocks, each PUCCH includes uplink control information and a pilot signal used for demodulating the uplink control information, and if the PUCCH is in the first format, the pilot is in the time domain.
  • the signal occupies 1 or 2 OFDM symbols per slot. If the PUCCH is in the second format or the third format, the pilot signal occupies 1 OFDM symbol of each slot in the time domain.
  • the user equipment of this embodiment can improve resource utilization by reducing the density of pilot signals used for demodulating PUCCH in the time domain.
  • the embodiment of the present invention further provides a user equipment.
  • the principle of the user equipment is similar to that of the fifth embodiment. Therefore, the implementation of the user equipment in Embodiment 11 can be implemented by referring to the implementation. The implementation of the method of Example 5, the same contents will not be repeated.
  • the embodiment of the invention further provides a user equipment (UE), which improves resource utilization by reducing PUCCH density in the frequency domain and in the time domain.
  • FIG. 19 is a schematic diagram of the composition of the UE. As shown in FIG. 19, the UE includes:
  • a transmitting unit 191 which uses a resource allocated to a PUCCH to transmit a plurality of PUCCHs, where each PUCCH occupies a pair of resource blocks, each PUCCH includes uplink control information and a pilot signal used for demodulating the uplink control information, and In the frequency domain, the pilot signal occupies part of the subcarriers of each resource block.
  • the user equipment of this embodiment can improve resource utilization by reducing the density of pilot signals used for demodulating PUCCH in the frequency domain.
  • the embodiment of the present invention further provides a user equipment, as described in the following embodiment 12.
  • the principle of the user equipment is similar to that of the sixth embodiment. Therefore, the implementation of the user equipment of the embodiment 12 can be implemented by referring to the implementation. The implementation of the method of Example 6 is not repeated here.
  • the embodiment of the invention further provides a user equipment (UE), which improves resource utilization by reducing the density of the PUCCH in the frequency domain and in the time domain.
  • UE user equipment
  • 20 is a schematic diagram of the composition of the UE, as shown in FIG. 20,
  • the UE includes:
  • a transmitting unit 201 which uses a resource allocated to a PUCCH to transmit a plurality of PUCCHs, where each PUCCH occupies a pair of resource blocks, each PUCCH includes uplink control information and a pilot signal used for demodulating the uplink control information, and In the frequency domain, the pilot signal occupies part of the subcarriers of each resource block; if the PUCCH is in the first format, in the time domain, the pilot signal occupies one of each time slot or 2 OFDM symbols, if the PUCCH is the second format or the third format, the pilot signal occupies 1 OFDM symbol of each slot in the time domain.
  • the user equipment of this embodiment can improve resource utilization by reducing the density of pilot signals used for demodulating PUCCH in the time domain and in the frequency domain.
  • the embodiment of the present invention further provides a method for receiving an uplink control channel of a wireless communication system, as described in Embodiment 13 below, because the method corresponds to Embodiment 1-6, respectively.
  • An embodiment of the present invention provides a method for receiving an uplink control channel of a wireless communication system, where the method receives a PUCCH on a corresponding time-frequency resource according to the reduced time-frequency resource.
  • Figure 21 is a flow chart of the method. Referring to Figure 21, the method includes:
  • Step 2101 The base station receives multiple PUCCHs on resources allocated to the PUCCH, where each PUCCH occupies a pair of resource blocks, and the PUCCH occupies part of the subcarriers of each resource block in the frequency domain; and/or, The PUCCH occupies a partial OFDM symbol of one subframe in a time domain; and, the PUCCH occupies one or more codeword resources on a code domain.
  • each PUCCH occupies a pair of resource blocks, and, in the frequency domain, the PUCCH occupies a part of subcarriers of each resource block, and in the time domain, the PUCCH occupies one subframe. All OFDM symbols; on the code domain, the PUCCH occupies one or more codeword resources.
  • the resource distribution manner for each PUCCH is the same as that of the first embodiment, and the content thereof is incorporated herein, and details are not described herein.
  • each PUCCH occupies a pair of resource blocks, and, in the frequency domain, the PUCCH occupies all subcarriers of each resource block; in the time domain, the PUCCH occupies one subframe. Part of the OFDM symbol; on the code domain, the PUCCH occupies one or more codeword resources.
  • the resource distribution manner for each PUCCH is the same as that of the second embodiment, and the content thereof is incorporated herein. Said.
  • each PUCCH occupies a pair of resource blocks, and, in the frequency domain, the PUCCH occupies a part of subcarriers of each resource block; in the time domain, the PUCCH occupies one subframe. Part of the OFDM symbol; on the code domain, the PUCCH occupies one or more codeword resources.
  • the resource distribution manner for each PUCCH is the same as that of the third embodiment, and the content thereof is incorporated herein, and details are not described herein.
  • each PUCCH occupies a pair of resource blocks, each PUCCH includes uplink control information and a pilot signal used for demodulating the uplink control information, and if the PUCCH is the first format And in the time domain, the pilot signal occupies 1 or 2 OFDM symbols in each time slot. If the PUCCH is in the second format or the third format, the pilot signal is in the time domain. Occupies 1 OFDM symbol per slot.
  • the resource distribution mode of each PUCCH is the same as that of the embodiment 4, and the content thereof is incorporated herein, and details are not described herein again.
  • each PUCCH occupies a pair of resource blocks, and each PUCCH includes uplink control information and a pilot signal used for demodulating the uplink control information, and, in the frequency domain, the guide The frequency signal occupies a portion of the subcarriers of each resource block.
  • the resource distribution mode of each PUCCH is the same as that of the embodiment 5, and the content thereof is incorporated herein, and details are not described herein again.
  • each PUCCH occupies a pair of resource blocks, and each PUCCH includes uplink control information and a pilot signal used for demodulating the uplink control information, and, in the frequency domain, the guide The frequency signal occupies a portion of the subcarriers of each resource block; if the PUCCH is in the first format, in the time domain, the pilot signal occupies 1 or 2 OFDM symbols per slot, if the PUCCH In the second format or the third format, in the time domain, the pilot signal occupies 1 OFDM symbol of each slot.
  • the resource distribution manner for each PUCCH is the same as that of the sixth embodiment, and the content thereof is incorporated herein, and details are not described herein again.
  • the resource utilization of the PUCCH is improved by reducing the PUCCH or the density of the pilot signal used for demodulating the PUCCH in the time domain and/or the frequency domain.
  • the embodiment of the present invention further provides a base station apparatus, as described in Embodiment 14 below, and the base station apparatus respectively corresponds to the user equipments of Embodiments 7-12, and therefore 7-12
  • the contents are the same and will not be repeated.
  • Example 14 The embodiment of the invention further provides a base station device, which receives a PUCCH on a corresponding time-frequency resource according to the reduced time-frequency resource.
  • Figure 22 is a schematic diagram of the composition of the base station device. Referring to Figure 22, the base station device includes:
  • a receiving unit 221 which receives a plurality of PUCCHs on a resource allocated to a PUCCH, where each PUCCH occupies a pair of resource blocks, and the PUCCH occupies a part of subcarriers of each resource block in a frequency domain; and/or And the PUCCH occupies a partial OFDM symbol of one subframe in a time domain; and the PUCCH occupies one or more codeword resources on the code domain.
  • each PUCCH occupies a pair of resource blocks, and in the frequency domain, the PUCCH occupies part of the subcarriers of each resource block.
  • the PUCCH occupies all OFDM symbols of one subframe; in the code domain, the PUCCH occupies one or more codeword resources.
  • the content distribution mode of each PUCCH is the same as that of the first embodiment, and the content thereof is incorporated herein, and details are not described herein again.
  • each PUCCH occupies a pair of resource blocks, and in the frequency domain, the PUCCH occupies all subcarriers of each resource block. In the time domain, the PUCCH occupies a partial OFDM symbol of one subframe; in the code domain, the PUCCH occupies one or more codeword resources.
  • the resource distribution mode of each PUCCH is the same as that of the embodiment 2, and the content thereof is incorporated herein, and details are not described herein again.
  • each PUCCH occupies a pair of resource blocks, and in the frequency domain, the PUCCH occupies part of the subcarriers of each resource block.
  • the PUCCH occupies a partial OFDM symbol of one subframe; in the code domain, the PUCCH occupies one or more codeword resources.
  • the resource distribution mode of each PUCCH is the same as that of the third embodiment, and the content thereof is incorporated herein, and details are not described herein again.
  • each PUCCH occupies a pair of resource blocks, and each PUCCH includes uplink control information and a guide for demodulating the uplink control information.
  • a frequency signal if the PUCCH is in the first format, the pilot signal occupies 1 or 2 OFDM symbols of each slot in the time domain, if the PUCCH is the second format or the third Format, then in the time domain, the pilot signal occupies 1 OFDM symbol per slot.
  • the content distribution mode of each PUCCH is the same as that of the fourth embodiment, and the content thereof is incorporated herein, and details are not described herein again.
  • each PUCCH occupies a pair of resource blocks, and each PUCCH includes uplink control information and a guide for demodulating the uplink control information.
  • the frequency signal, and, in the frequency domain, the pilot signal occupies a portion of the subcarriers of each resource block.
  • the content distribution mode of each PUCCH is the same as that of the embodiment 5, and the content thereof is incorporated herein, and details are not described herein again.
  • each PUCCH occupies a pair of resource blocks, and each PUCCH includes uplink control information and a guide for demodulating the uplink control information.
  • a frequency signal and, in the frequency domain, the pilot signal occupies a portion of the subcarriers of each resource block; if the PUCCH is in the first format, in the time domain, the pilot signal occupies each time slot 1 or 2 OFDM symbols, if the PUCCH is in the second format or the third format, in the time domain, the pilot signal occupies 1 OFDM symbol of each slot.
  • the resource distribution mode of each PUCCH is the same as that of the embodiment 6, and the content thereof is incorporated herein, and details are not described herein again.
  • the resource utilization of the PUCCH is improved by reducing the density of the PUCCH or the pilot signal for demodulating the PUCCH in the time domain and/or the frequency domain.
  • the embodiment of the present invention further provides a communication system, where the communication system includes the user equipment described in Embodiment 7-12 and the base station device described in Embodiment 14, and the content thereof is incorporated herein, and is no longer Narration.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a terminal device, the program causes the computer to perform uplink control of the wireless communication system described in Embodiment 1-6 in the terminal device The method of transmitting the channel.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to execute the uplink control channel transmission method of the wireless communication system described in Embodiment 1-6 in the terminal device .
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a base station device, the program causes the computer to execute the uplink control channel of the wireless communication system according to Embodiment 13 in the base station device Receiving method.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to execute the method of receiving the uplink control channel of the wireless communication system according to Embodiment 13 in the base station device.
  • the above apparatus and method of the present invention may be implemented by hardware, or may be implemented by hardware in combination with software.
  • this invention Reference is made to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to implement the various methods or steps described above. .
  • Logic components such as field programmable logic components, microprocessors, processors used in computers, and the like.
  • the present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.

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Abstract

L'invention concerne un procédé de transmission, un procédé de réception, et un dispositif de canal de commande de liaison montante pour système de communication radio. Le procédé met en jeu : un équipement utilisateur qui emploie des ressources attribuées aux PUCCH (canaux de commande de liaison montante physique) afin de transmettre de multiples PUCCH, chaque PUCCH occupant une paire de blocs de ressources, eux aussi sur un domaine de fréquence, les PUCCH occupent certaines sous-porteuses de chaque bloc de ressources sur un domaine temporel, les PUCCH occupent tous les symboles OFDM (multiplexage à division de fréquence orthogonale) d'une sous-trame, et, sur un domaine de code, les PUCCH occupent une ou plusieurs ressources de mots de code. Les procédés et le dispositif des modes de réalisation de la présente invention permettent d'accroître le taux d'utilisation des ressources de canaux de commande.
PCT/CN2013/075408 2013-05-09 2013-05-09 Procédé de transmission, procédé de réception, et dispositif de canal de commande de liaison montante pour système de communication radio WO2014179966A1 (fr)

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CN201380073047.4A CN104995977A (zh) 2013-05-09 2013-05-09 无线通信系统的上行控制信道的发送方法、接收方法和装置

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US11140575B2 (en) * 2017-08-11 2021-10-05 Qualcomm Incorporated Modifying CSI transmissions over uplink shared resources
CN112314024B (zh) * 2018-05-05 2024-09-27 上海诺基亚贝尔股份有限公司 装置、方法和计算机程序
CN110535576B (zh) * 2018-05-24 2021-11-05 普天信息技术有限公司 一种上行业务信道的导频发送方法和设备

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CN101917766A (zh) * 2010-08-12 2010-12-15 中兴通讯股份有限公司 一种确定物理上行控制信道资源的方法及系统
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CN102859958A (zh) * 2010-04-21 2013-01-02 Lg电子株式会社 在无线通信系统中发射控制信息的方法和设备
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