CN110856265B - Multiplexing method and device for uplink control information - Google Patents

Multiplexing method and device for uplink control information Download PDF

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CN110856265B
CN110856265B CN201911090539.XA CN201911090539A CN110856265B CN 110856265 B CN110856265 B CN 110856265B CN 201911090539 A CN201911090539 A CN 201911090539A CN 110856265 B CN110856265 B CN 110856265B
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pucch
ack
csi
target
harq
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CN110856265A (en
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闫志宇
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China Academy of Information and Communications Technology CAICT
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China Academy of Information and Communications Technology CAICT
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    • 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
    • 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
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • 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
    • H04L5/0057—Physical resource allocation for CQI

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application discloses a multiplexing method and equipment of uplink control information, wherein the method comprises the following steps: the length of HARQ-ACK to be transmitted is O within a target period ACK Bits, and is only SPS HARQ-ACK for non-associated PDCCH; the length of the CSI to be transmitted is O within the target period CSI Bits; the length of the SR to be sent is O within the target period SR Bits; the first PUCCH set is a PUCCH set configured for HARQ-ACK of semi-persistent scheduling, and the second PUCCH set is a PUCCH set configured for CSI feedback; and determining a target PUCCH in the first PUCCH set and the second PUCCH set, wherein the target PUCCH is used for transmitting the HARQ-ACK, the CSI and the SR information to be transmitted in the target period. The application also includes a terminal device, a network device and a mobile communication system using the method.

Description

Multiplexing method and device for uplink control information
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a multiplexing method of uplink control information and a device using the same.
Background
Semi-persistent scheduling (SPS) periodically allocates resources of physical downlink data (PDSCH) to a certain terminal device through primary Physical Downlink Control Channel (PDCCH) scheduling, and after the PDCCH activates the semi-persistent scheduling configuration, the terminal device periodically detects the PDSCH on the semi-persistent scheduling resources according to the semi-persistent scheduling configuration period. Because SPS dispatch has the characteristics of 'one-time distribution and multiple use', the corresponding PDCCH overhead and the time delay of dispatch are reduced.
The first PDSCH of PDCCH scheduling activating the semi-persistent scheduling configuration is "PDCCH-associated SPS PDSCH", and its HARQ-ACK information is PDCCH-associated SPS HARQ-ACK. PDSCH is transmitted as "SPS PDSCH of unassociated PDCCH" at the periodicity of the semi-persistent scheduling configuration before the semi-persistent scheduling configuration is deactivated. Hybrid automatic repeat request acknowledgement information (HARQ-ACK) for PDSCH can be divided into two types: the first is HARQ-ACK for SPS PDSCH of non-associated PDCCH, we refer to as "SPS HARQ-ACK of non-associated PDCCH". The second is HARQ-ACK for SPS PDSCH associated with PDCCH, HARQ-ACK for dynamically scheduled PDSCH, and HARQ-ACK for PDCCH releasing semi-persistent scheduling, we refer to as "HARQ-ACK for PDSCH associated with PDCCH".
In the target period, if the terminal device sends the HARQ-ACK only with 'SPS HARQ-ACK of non-associated PDCCH' and no other type of HARQ-ACK, the terminal device sends the HARQ-ACK corresponding to the first PUCCH in the target period. The first PUCCH is one of the first PUCCH sets. The first PUCCH set is a set of PUCCH resources configured by the network device to the terminal device for transmitting "SPS HARQ-ACK of unassociated PDCCH".
The network device may also configure the terminal device with a plurality of PUCCH resources for transmitting CSI within the target period (as described in chapter 9 of 3GPP TS 38.213V15.7.0). And in the target period, the terminal equipment sends the CSI corresponding to the second PUCCH. The second PUCCH is one of the second PUCCH set. The second PUCCH set is a set of PUCCH resources configured by the network device to the terminal device for transmitting CSI.
In the prior art, the semi-persistent scheduling configuration has only one, and the minimum period is 10ms, so that the SPS HARQ-ACK of the non-associated PDCCH has only 1-2 bits in the target period. In the target period, if the PUCCH resource occupied by the "SPS HARQ-ACK of unassociated PDCCH" and the PUCCH resource of CSI information overlap in the time domain, the "SPS HARQ-ACK of unassociated PDCCH" and CSI need to be multiplexed on the PUCCH resource corresponding to CSI information (second PUCCH).
However, for data flows with multiple periods and urgency priorities for traffic of a Time Sensitive Network (TSN), the TSN needs to support traffic with low latency requirements while supporting emergency traffic of irregular bursts. The NR system will support configuring multiple semi-persistent scheduling configurations for the terminal device to meet the traffic demands of the TSN, e.g. configuring 16/8 semi-persistent scheduling configurations for the terminal device. And, the semi-persistent scheduling configuration supports a period of 2 symbols, 7 symbols, or 1 slot. Thus, the terminal device may not only need to feed back more than 1-2 bits of "SPS HARQ-ACK of unassociated PDCCH" within the target period, but also the variation range of the number of bits of "SPS HARQ-ACK of unassociated PDCCH" to be transmitted may be large.
The second PUCCH set configured by the network device is generally determined according to the CSI feedback load corresponding to the CSI configuration information, if, according to the prior art, in the target period, if the first PUCCH and the second PUCCH resources overlap in the time domain, directly multiplexing the "SPS HARQ-ACK of the unassociated PDCCH", CSI and SR on a second PUCCH may cause excessive resource load, and even none of the second PUCCHs has capacity to carry. This may cause the transmission efficiency of the CSI-related PUCCH to be too low.
Disclosure of Invention
The application provides a multiplexing method and equipment of uplink control information, which solve the problem of how to use a PUCCH to bear multiplexed HARQ-ACK and CSI information when an NR system configures a plurality of semi-persistent scheduling configurations for terminal equipment to meet the business requirement of TSN.
The embodiment of the application provides a multiplexing method of uplink control information, which comprises the following steps:
the length of HARQ-ACK to be transmitted is O within a target period ACK Bits, and is only SPS HARQ-ACK, O for non-associated PDCCH ACK ＞0；
The length of the CSI to be transmitted is O within the target period CSI Bits, O CSI ＞0；
The length of the SR to be sent is O within the target period SR Bits, O SR ≥0；
The first PUCCH set is a PUCCH set configured for HARQ-ACK of semi-persistent scheduling, and the second PUCCH set is a PUCCH set configured for CSI feedback;
And determining a target PUCCH in the first PUCCH set and the second PUCCH set, wherein the target PUCCH is used for transmitting the HARQ-ACK, the CSI and the SR information to be transmitted in the target period.
As an optimized embodiment of the method, the target PUCCH belongs to the first PUCCH set.
As another example of the optimization of the method, if O ACK A preset threshold value is not more than or equal to, and the target PUCCH belongs to a second PUCCH set; if O ACK And (3) more than a preset threshold value, wherein the target PUCCH belongs to the first PUCCH set. Preferably, the preset threshold value is 2.
As a third embodiment of the optimization of the method, if O ACK ＞O CSI The target PUCCH belongs to a first PUCCH set; if O ACK ≤O CSI The target PUCCH belongs to a second PUCCH set.
In the above embodiment, it is preferable that according to O ACK +O CSI +O SR +O CRC Determining a target PUCCH at the first PUCCH set, or based on the value of O ACK +O CSI +O SR +O CRC Determining a target PUCCH at a second PUCCH set, wherein O CRC Is the number of bits of CRC check bits needed to encode the HARQ-ACK, CSI and SR.
Preferably, the said method is based on O ACK +O CSI +O SR +O CRC Determining a target PUCCH at the second PUCCH set, comprising:
the second PUCCH set comprises J PUCCH resources, and the 1 st to the J th PUCCH resources are used for modulating the order Q according to the number of the included REs m The products of the code rate r and the code rate r are sequenced from small to large;
if it isThe target PUCCH is the first PUCCH within the second PUCCH set; if-> And if-> Wherein J is more than or equal to 0 and less than J-1, and the target PUCCH is the (j+1) th PUCCH in the second PUCCH set; otherwise, the target PUCCH is the J-th PUCCH within the second PUCCH set;
wherein, the number of RBs included in the frequency domain of the PUCCH is the number of RBs included in the frequency domain of the PUCCH, and the PUCCH formats 2, 3 and 4 are respectivelyAnd-> Is the number of subcarriers within one RB, +.>Is a spreading factor configured for PUCCH format 4, < ->Is the number of time domain symbols included in the PUCCH.
Preferably according to O ACK +O CSI +O SR +O CRC Determining a target PUCCH at the first PUCCH set, comprising:
the first PUCCH set includes P PUCCH resources, where the qth PUCCH supports more than N q，min Less than or equal to N q，max Feedback of HARQ-ACK of bits, target PUCCH is the ith PUCCH in the first PUCCH set, satisfying N i，min ≤O ACK +O CSI +O SR +O CRC ≤N i，max 。
Further, transmitting the HARQ-ACK, CSI, and SR information to be transmitted in the target PUCCH includes:
the lowest frequency in the target PUCCHTransmitting the HARQ-ACK, CSI and SR information on one RB, <>Satisfy-> And is also provided with Wherein->The number of RBs included in the frequency domain of the target PUCCH is the number of RBs included in the frequency domain of the target PUCCH, and the number of RBs is the number of RBs included in the frequency domain of the target PUCCH for the PUCCH formats 2, 3 and 4 And-> Is the number of subcarriers within one RB, +.>Is a spreading factor configured for PUCCH format 4, < ->Is the number of time domain symbols included in the PUCCH.
In any of the embodiments of the present application, O SR =0 means that the SR to be fed back is not included in the target period.
The embodiment of the application also provides a terminal device, which adopts the method according to any one of the embodiments of the application, and is configured to select a target PUCCH from the first PUCCH set and the second PUCCH set, where the target PUCCH is used to send multiplexed HARQ-ACK, CSI and SR information.
The embodiment of the application also provides a terminal device, which is characterized by comprising: memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor, performs the steps of the method according to any of the embodiments of the present application.
The embodiment of the application also provides a network device, and the method according to any one of the embodiments of the application is characterized in that the network device is configured to select a target PUCCH from the first PUCCH set and the second PUCCH set, where the target PUCCH is configured to receive multiplexed HARQ-ACK, CSI and SR information.
The embodiment of the application also provides a network device, which is characterized by comprising: memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor, performs the steps of the method according to any of the embodiments of the present application.
The embodiment of the application also provides a mobile communication system, which is characterized by comprising at least 1 terminal device according to any one embodiment of the application and at least 1 network device according to any one embodiment of the application.
Embodiments of the present application also provide a computer readable medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method according to any of the embodiments of the present application.
The above-mentioned at least one technical scheme that this application embodiment adopted can reach following beneficial effect:
solves the problem of O to be fed back in the prior art ACK Bit "SPS HARQ-ACK of non-associated PDCCH", O to be fed back CSI Bits CSI and O SR If the PUCCH corresponding to each bit SR overlaps in the time domain, O ACK Under the conditions of larger values and larger variation range, the network equipment configuration complexity is high and the system efficiency is low, which are caused by determining a target PUCCH for a second PUCCH set configured for CSI feedback and carrying the SPSHARQ-ACK (physical downlink shared channel) CSI and SR of the non-associated PDCCH. And the transmission efficiency of the CSI-related PUCCH is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a flow chart of a first embodiment of the method of the present application;
FIG. 2 is a flow chart of a second embodiment of the method of the present application;
FIG. 3 is a flow chart of a third embodiment of the method of the present application;
FIG. 4 is an embodiment of a terminal device of the present application;
FIG. 5 is an embodiment of a network device of the present application;
fig. 6 is a schematic structural diagram of a network device according to another embodiment of the present invention;
fig. 7 is a block diagram of a terminal device according to another embodiment of the present invention.
Detailed Description
For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
And in the target period, if the PUCCH resources of the 'SPS HARQ-ACK of the non-associated PDCCH', the CSI information and the PUCCH resources of the SR overlap in the time domain, a preset rule is redetermined, and a target PUCCH is determined according to the preset rule, wherein the target PUCCH is the PUCCH corresponding to the 'SPS HARQ-ACK of the non-associated PDCCH' or the PUCCH corresponding to the CSI and is used for transmitting the 'SPS HARQ-ACK of the non-associated PDCCH', the CSI and the SR. The preset rules are as in examples 1-3.
Assume that the "SPS HARQ-ACK of non-associated PDCCH" to be fed back for the target period includes O ACK Bits, O ACK > 0, corresponding to a first PUCCH in the first PUCCH set; the CSI to be fed back in the target period includes O CSI Bits, O CSI > 0 corresponds to a second PUCCH in the second PUCCH set; the SR to be fed back in the target period includes O SR Bits, O SR ≥0。O ACK And O SR Different timesAt zero.
For the above case, the prior art determines a target PUCCH within the second PUCCH set. Assuming that the second PUCCH set comprises J PUCCH resources, the 1 st to J th PUCCH resources are used for adjusting the number of the included REs and the modulation order Q m The products of the code rate r and the code rate r are sequenced from small to large, and the method for determining the target PUCCH in the second PUCCH set comprises the following steps:
if it isThe target PUCCH is the first PUCCH within the second PUCCH set; if O ACK +O SR +OCSI+OCRC>MRBPUCCH NSC, ctrLRB NSymb UCIPUCCH qmrj and if +.>Wherein J is more than or equal to 0 and less than J-1, and the target PUCCH is the jth PUCCH in the second PUCCH set; otherwise, the target PUCCH is the J-th PUCCH within the second PUCCH set. If the target PUCCH is the J-th PUCCH in the second PUCCH set, the capacity of the J-th PUCCH is insufficient to carry said O ACk Bits "SPS HARQ-ACK of unassociated PDCCH", O CSI Bits CSI and O SR And the bit SR is needed to discard the CSI information with lower partial priority according to a preset CSI priority rule. O in the above formula CRC Is the number of bits of CRC check bits required to encode the HARQ-ACK, CSI and SR, is>The number of RBs included in the frequency domain of PUCCH is defined by +.>Andis the number of subcarriers within one RB, +.>Is spread spectrum configured for PUCCH format 4Factor (F)>Is the number of time domain symbols included in the PUCCH.
In the prior art, only one semi-static scheduling configuration is supported for the terminal equipment, and the period is 10ms at minimum, O ACK And 2, the target PUCCH is determined in the second PUCCH set and the SPS HARQ-ACK of the "non-associated PDCCH" is carried with little influence on the target PUCCH selection result, CSI transmission performance, etc. But if O ACK In the case where the value of (a) is large and the variation range is large, the influence of SPS HARQ-ACK "and SR, which determine the target PUCCH and carry the" unassociated PDCCH, on CSI transmission performance and the like may be large in the second PUCCH set. In addition, when the network device configures the resources of the second PUCCH set, not only the requirement of CSI transmission but also the transmission requirements of SPS HARQ-ACK "and SR of" unassociated PDCCH transmitted in the same target period as CSI, which may occur, need to be considered, so that great complexity is brought to the configuration of the network device, and great burden is brought to the system efficiency.
The following describes in detail the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a flowchart of a first embodiment of the method of the present application.
Step 101, the first PUCCH set is a PUCCH set configured for HARQ-ACK for semi-persistent scheduling.
The length of HARQ-ACK to be transmitted is O within a target period ACK Bits, and is only SPS HARQ-ACK, O for non-associated PDCCH ACK ＞0。
Preferably, the number of bytes of the HARQ-ACK overlapping the target period includes a sum of all HARQ-ACKs overlapping the target period.
For example, the "SPS HARQ-ACK of non-associated PDCCH" for which the target period is determined to be fed back includes O ACK The method comprises the steps that bits are provided, and a target period does not have 'SPS HARQ-ACK of associated PDCCH' to be fed back, wherein the 'SPS HARQ-ACK of unassociated PDCCH' corresponds to a first PUCCH, the first PUCCH belongs to a first PUCCH set, and the first PUCCH set is configured by network equipmentThe set of PUCCH resources of the terminal device for transmitting "SPS HARQ-ACK of non-associated PDCCH" is also referred to as PUCCH set configured for HARQ-ACK of semi-persistent scheduling.
102, the second PUCCH set is a PUCCH set configured for CSI feedback;
for example, determining the CSI to be fed back for the target period includes O CSI Bits, O CSI And > 0, wherein the CSI corresponds to a second PUCCH, the second PUCCH belongs to a second PUCCH set, and the second PUCCH set is a set formed by PUCCH resources which are configured to the terminal equipment by the network equipment and used for transmitting the CSI.
Step 103, determining that the SR to be fed back in the target period includes O SR Bits.
In the method of any one of the embodiments of the present application, preferably, O SR Not less than 0; wherein O is SR =0 means that the SR to be fed back is not included in the target period.
Step 104, determining a target PUCCH in the first PUCCH set and the second PUCCH set, wherein the target PUCCH is used for transmitting the HARQ-ACK, the CSI and the SR information to be transmitted in the target period;
In this application, the target period may be a time slot or a sub-time slot, so long as part or all of the HARQ-ACK, CSI, or SR occurs within the target period, that is, the HARQ-ACK, CSI, or SR overlaps with the target period.
For example, a target PUCCH for feeding back the SPS HARQ-ACK of the "non-associated PDCCH", the CSI, and the SR is determined according to the following method:
step 104A, the target PUCCH belongs to the first PUCCH set.
Alternatively, according to O ACK +O CSI +O SR +O CRC Is used to determine a target PUCCH at the first PUCCH set. Wherein O is CSI Is the bit number of CSI, O ACK Number of bits, O, of HARQ-ACK SR Is the number of bits of SR, O CRC Is the number of bits of CRC check bits needed to encode the HARQ-ACK, CSI and SR.
Assuming that the first PUCCH set includes P PUCCH resources, wherein the qth PUCCH supports more than N q，min Less than or equal to N q，max Feedback of HARQ-ACKs of bits. The only O to be fed back in the target time ACK Bit "SPS HARQ-ACK of non-associated PDCCH", without other UCI information, if O ACK Satisfy N q，min ≤O ACK ≤N q，max The target PUCCH is the q-th PUCCH in the first set. If the q-th PUCCH is the PUCCH format 2, 3, or 4, the number of RBs included in the frequency domain is Then it is determined to be less than or equal to%>Value of->And the lowest frequency in the target PUCCH +.>Transmitting the O on each RB ACK Bit "SPS HARQ-ACK of unassociated PDCCH". />Satisfy the following requirements And is also provided with Wherein O is CRC Is the number of bits of CRC check bits required to encode said HARQ-ACK,/I>The number of RBs included in the frequency domain of the target PUCCH is equal to the number of RBs included in the frequency domain of the target PUCCH, and the number of RBs is equal to the number of the target PUCCH for PUCCH formats 2, 3 and 4>And->And (5) calculating. Wherein, is the number of subcarriers within one RB, +.>Is a spreading factor configured for PUCCH format 4, < ->Is the number of time domain symbols included in the PUCCH. It can be seen that when the terminal device transmits "SPS HARQ-ACK of unassociated PDCCH" on the target channel determined in the first PUCCH set, not all +_ of the target PUCCH is occupied>Resources of RB, but use less than +.>Is->Resources of each RB. That is, the resource size of PUCCH configured by the network device to the terminal device and the resource size actually used by the terminal device may be different. The terminal equipment determines the resource size of the actually used PUCCH according to the bit number requirement of the SPS HARQ-ACK of the actually transmitted 'non-associated PDCCH'.
In the present embodiment, UCI to be transmitted in the target period includes O ACK Bits SPS HARQ-ACK, O for non-associated PDCCH CSI Bits CSI, and O SR Bit SR according toO ACK +O CSI +O SR +O CRC Determining a target PUCCH at the first PUCCH set, comprising: the first PUCCH set includes P PUCCH resources, where the qth PUCCH supports more than N q，min Less than or equal to N q，max Feedback of HARQ-ACK of bits, target PUCCH is the ith PUCCH in the first PUCCH set, satisfying N i，min ≤O ACK +O CSI +O SR +O CRC ≤N i，max 。
Further, transmitting the HARQ-ACK, CSI, and SR information to be transmitted in the target PUCCH includes: the lowest frequency in the target PUCCHTransmitting the HARQ-ACK, CSI and SR information on one RB, <>Satisfy the following requirements And is also provided with Wherein->The number of RBs included in the frequency domain of the target PUCCH is +.> And-> Is the number of subcarriers within one RB, +.>Is a spreading factor configured for PUCCH format 4, < ->Is the number of time domain symbols included in the PUCCH.
By adopting the scheme in step 104A, determining the target PUCCH in the first PUCCH set may satisfy O ACK SPS HARQ-ACK ", O for" unassociated PDCCH "bits CSI Bit CSI and O SR The transmission requirement of the bits SR and avoids the complexity of the network device configuration resources. The network device may take into account CSI that may be transmitted simultaneously with SPS HARQ-ACKs of the "unassociated PDCCH" when configuring PUCCH resources of the first PUCCH set. When sending O AC K bits "SPS HARQ-ACK of unassociated PDCCH" and O SR Target period and transmit O of bit SR CSI If O when the target periods of the bit CSI overlap CSI Is larger, and is actually used for transmitting O after determining the target PUCCH in the first PUCCH set ACK Bits "SPS HARQ-ACK of unassociated PDCCH", O CSI Bits CSI and O SR The number of RBs of the bit SR is more; if O CSI Is smaller or zero, and is actually used for transmitting O after determining the target PUCCH in the first PUCCH set ACK Bits "SPS HARQ-ACK of unassociated PDCCH", O CSI Bits CSI and O SR The number of RBs of the bit SR is small. Therefore, the scheme of (1) is adopted, so that the problem that in the prior art, when the network equipment configures the resources of the second PUCCH set, not only the requirement of CSI transmission is considered, but also the possible transmission requirements of SPS HARQ-ACK (scheduling request sequence) and SR (scheduling request sequence) of a' non-associated PDCCH (physical downlink control channel) transmitted in the same target period with the CSI are considered, great complexity is brought to the configuration of the network equipment, and great system efficiency is brought toBurden problem. Determining a target PUCCH for transmitting O within a first PUCCH set ACK Bits "SPS HARQ-ACK of unassociated PDCCH", O CSI Bits CSI and O SR The flexibility of configuring PUCCH resources by network equipment is high due to the resources of the bit SR, and the problem of low system resource efficiency is not caused.
Fig. 2 is a flow chart of a second embodiment of the method of the present application.
Step 101, the first PUCCH set is a PUCCH set configured for HARQ-ACK for semi-persistent scheduling. The length of HARQ-ACK to be transmitted is O within a target period ACK Bits, and is only SPS HARQ-ACK, O for non-associated PDCCH ACK ＞0。
Step 102, the second PUCCH set is a PUCCH set configured for CSI feedback. Determining that the CSI to be fed back for the target period includes O CSI Bits, O CSI ＞0。
Step 103, determining that the SR to be fed back in the target period includes O SR 0 bits.
Step 104B, if O ACK Less than or equal to threshold, the target PUCCH belongs to a second PUCCH set according to O ACK +O CSI +O SR +O CRC Determining a target PUCCH at the second PUCCH set; if O ACK > threshOld, the target PUCCH belongs to the first PUCCH set, according to O ACK +O CSI +O SR +O CRC Is used to determine a target PUCCH at the first PUCCH set.
Wherein threshold is a preset threshold value. Alternatively, threshold=2.
Prior art manner of determining target PUCCH within second PUCCH set is at O ACK And the value of (2) is larger, and the network equipment configuration is greatly complicated under the condition of larger variation range, and the system efficiency is greatly burdened. In the manner of step 104B, when O ACK And when the threshold value is less than or equal to the preset threshold value, determining a target PUCCH in the second PUCCH set, and controlling the complexity of configuring the second PUCCH set and the burden on the system efficiency to be within a certain range. When O is ACK At a preset threshold value thrAbove threshold, if the target PUCCH is still determined within the second PUCCH set, complexity of configuring the second PUCCH set may be imposed on the network device and burden on system efficiency. Thus when O ACK When the threshold value is above the preset threshold value, according to O ACK +O CSI +O SR +O CRC Is used to determine a target PUCCH at the first PUCCH set. Optionally, threshold=2, so that when the number of bits of the SPS HARQ-ACK of the "unassociated PDCCH" is not greater than 2, the PUCCH resource determining manner of jointly transmitting the SPS HARQ-ACK of the "unassociated PDCCH", CSI and SR in the prior art can be completely multiplexed; when the bit number of the SPS HARQ-ACK of the non-associated PDCCH is more than 2, adopting a new mode to jointly transmit the SPS HARQ-ACK, the CSI and the SR of the non-associated PDCCH.
When O is ACK When the threshold value is above the preset threshold value, according to O ACK +O CSI +O SR +O CRC Is the same as 104A in the manner of determining the target PUCCH in the first PUCCH set.
Fig. 3 is a flow chart of a third embodiment of the method of the present application.
Step 101, the first PUCCH set is a PUCCH set configured for HARQ-ACK for semi-persistent scheduling. The length of HARQ-ACK to be transmitted is O within a target period ACK Bits, and is only SPS HARQ-ACK, O for non-associated PDCCH ACK ＞0。
Step 102, the second PUCCH set is a PUCCH set configured for CSI feedback. Determining that the CSI to be fed back for the target period includes O CSI Bits, O CSI ＞0。
Step 103, determining that the SR to be fed back in the target period includes O SR More than or equal to 0 bit;
step 104C, if O ACK ＞O CSI The target PUCCH belongs to the first PUCCH set according to O ACK +O CSI +O SR +O CRC Determining a target PUCCH at the first PUCCH set; if O ACK ≤O CSI The target PUCCH belongs to the second PUCCH set according to O ACK +O CSI +O SR +O CRC Is used to determine a target PUCCH at the second PUCCH set.
Prior art manner of determining target PUCCH within second PUCCH set is at O ACK And the value of (2) is larger, and the network equipment configuration is greatly complicated under the condition of larger variation range, and the system efficiency is greatly burdened. In the manner of step 104C, if O ACK ＞O CSI Determining the target PUCCH for transmitting SPS HARQ-ACK and CSI of the "non-associated PDCCH" in the second PUCCH set is more likely to put complexity on the network device to configure the second PUCCH set and burden on system efficiency. If O ACK ≤O CSI Determining, in the second PUCCH set, that the target PUCCH is used to transmit the SPS HARQ-ACK of the "non-associated PDCCH" and the CSI may still satisfy the basic principle that the network device configures resources in the second PUCCH set mainly according to the feedback requirement of the CSI. Thus, if O ACK ＞O CSI The target PUCCH belongs to the first PUCCH set according to O ACK +O CSI +O SR +O CRC Determining a target PUCCH at the first PUCCH set; if O ACK ≤O CSI The target PUCCH belongs to the second PUCCH set according to O ACK +O CSI +O SR +O CRC Is used to determine a target PUCCH at the second PUCCH set.
When O is ACK ＞O CSI When according to O ACK +O CSI +O SR +O CRC Is the same as 104A in the manner of determining the target PUCCH in the first PUCCH set.
Fig. 4 is an embodiment of a terminal device of the present application.
The terminal device is configured to determine a first PUCCH in a first PUCCH set, where the number of bytes of the first PUCCH is greater than the number of bytes of HARQ-ACKs overlapping with the target period; for example, the "SPS HARQ-ACK of non-associated PDCCH" for which the target period is determined to be fed back includes O ACK Bit and target period has no "SPS HARQ-ACK associated with PDCCH" to be fed back, O ACK More than or equal to 0, wherein the SPS HARQ-ACK of the non-associated PDCCH corresponds to a first PUCCH, the first PUCCH belongs to a first PUCCH set, and the first PUCCH set is a PUCCH resource group configured to the terminal equipment by the network equipment and used for sending the SPS HARQ-ACK of the non-associated PDCCHAnd (5) forming a collection.
The terminal device is further configured to determine a second PUCCH in a second PUCCH set, where the number of bytes of the second PUCCH is greater than the number of bytes of the CSI overlapping with the target period; for example, determining the CSI to be fed back for the target period includes O CSI Bits, O CSI And > 0, wherein the CSI corresponds to a second PUCCH, the second PUCCH belongs to a second PUCCH set, and the second PUCCH set is a set formed by PUCCH resources which are configured to the terminal equipment by the network equipment and used for transmitting the CSI.
The terminal device is further configured to determine that the SR to be fed back in the target period includes O SR 0 bits.
The terminal equipment is also used for according to O ACK +O CSI +O SR +O CRC Selecting a target PUCCH from the first PUCCH set and the second PUCCH set, wherein the target PUCCH is used for transmitting multiplexed HARQ-ACK, CSI and SR information;
for example: selecting a target PUCCH, wherein the target PUCCH is used for feeding back the SPS HARQ-ACK of the non-associated PDCCH, the CSI and the SR, and the target PUCCH is determined according to any one of the following schemes:
scheme 1, the target PUCCH belongs to the first PUCCH set according to O ACK +O CSI +O SR +O CRC Is used to determine a target PUCCH at the first PUCCH set.
Scheme 2, if O ACK Less than or equal to threshold, the target PUCCH belongs to a second PUCCH set according to O ACK +O CSI +O SR +O CRC Determining a target PUCCH at the second PUCCH set; if O ACK > threshold, the target PUCCH belongs to the first PUCCH set, according to O ACK +O CSI +O SR +O CRC Is used to determine a target PUCCH at the first PUCCH set.
Scheme 3, if O ACK ＞O CSI The target PUCCH belongs to the first PUCCH set according to O ACK +O CSI +O SR +O CRC Determining a target PUCCH at the first PUCCH set; if O ACK ≤O CSI The target PUCCH belongs to the second PUCCH set according to O ACK +O CSI +O SR +O CRC Is used to determine a target PUCCH at the second PUCCH set.
In order to implement the above technical solution, the terminal device 500 provided in the present application includes a terminal sending module 501, a terminal determining module 502, and a terminal receiving module 503. The terminal receiving module is configured to receive information configured by the network device and identifying the first PUCCH set and the second PUCCH set. The terminal determining module is configured to determine the target PUCCH, i.e. according to O ACK +O CSI +O SR +O CRC Is selected from the first PUCCH set and the second PUCCH set. The terminal sending module is used for sending the target PUCCH. The target PUCCH is used to feed back the HARQ-ACK (preferably, SPS HARQ-ACK of "unassociated PDCCH"), the CSI, and the SR.
The specific methods for realizing the functions of the terminal sending module, the terminal determining module and the terminal receiving module are described in the method embodiments of the application.
Fig. 5 is an embodiment of a network device of the present application.
The network device is configured to determine a first PUCCH in a first PUCCH set, where the number of bytes of the first PUCCH is greater than the number of bytes of HARQ-ACKs overlapping with the target period; for example, the "SPS HARQ-ACK of non-associated PDCCH" for which the target period is determined to be fed back includes O ACK Bit and target period has no "SPS HARQ-ACK associated with PDCCH" to be fed back, O ACK And (2) not less than 0, wherein the SPS HARQ-ACK of the non-associated PDCCH corresponds to a first PUCCH, the first PUCCH belongs to a first PUCCH set, and the first PUCCH set is a set formed by PUCCH resources which are configured to the terminal equipment by the network equipment and used for sending the SPS HARQ-ACK of the non-associated PDCCH.
The network device is further configured to determine a second PUCCH in a second PUCCH set, where a byte number of the second PUCCH is greater than a byte number of the CSI overlapping with the target period; for example, determining the CSI to be fed back for the target period includes O CSI Bits, O CSI > 0, the CSI corresponds to a second PUCCH belonging to a second PUCCH set, a second PUCThe CH set is a set of PUCCH resources configured by the network device to the terminal device for transmitting CSI.
The network device is further configured to determine that the SR to be fed back in the target period includes O SR 0 bits.
The network device is further configured to ACK +O CSI +O SR +O CRC And selecting a target PUCCH for transmitting multiplexed HARQ-ACK, CSI, and SR information from the first PUCCH set and the second PUCCH set. The target PUCCH selected is determined according to any one of schemes 1 to 3 described above.
In order to implement the above technical solution, the network device 400 provided in the present application includes a network sending module 401, a network determining module 402, and a network receiving module 403. The network sending module is used for sending information for identifying the first PUCCH set and the second PUCCH set. The network determining module is configured to determine the target PUCCH, i.e. according to O ACK +O CSI +O SR +O CRC Is selected from the first PUCCH set and the second PUCCH set. The network receiving module is configured to receive the target PUCCH. The HARQ-ACK (preferably, "SPS HARQ-ACK of unassociated PDCCH"), the CSI, and the SR are identified in the target PUCCH.
The specific method for realizing the functions of the network sending module, the network determining module and the network receiving module is as described in each embodiment of the method.
Fig. 6 shows a schematic structural diagram of a network device according to another embodiment of the present invention. As shown in fig. 6, the network device 600 includes a processor 601, a transceiver 602, a memory 603, and a bus interface. Wherein:
in an embodiment of the present invention, the network device 600 further includes: a computer program stored in the memory 603 and capable of being executed on the processor 601, where the computer program when executed by the processor 601 implements each of the processes in the methods shown in fig. 1 to 4 and achieves the same technical effects, and is not repeated here.
In fig. 6, a bus architecture may comprise any number of interconnected buses and bridges, with various circuits of the one or more processors, represented in particular by processor 601, and the memory, represented in memory 603. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. The transceiver 602 may be a number of elements, i.e., including a transmitter and a receiver, providing a means for communicating with various other apparatus over a transmission medium.
The processor 601 is responsible for managing the bus architecture and general processing, and the memory 603 may store data used by the processor 601 in performing operations.
Fig. 7 is a block diagram of a terminal device according to another embodiment of the present invention. The terminal device 700 shown in fig. 7 includes: at least one processor 701, memory 702, a user interface 703, and at least one network interface 704. The various components in terminal device 700 are coupled together by a bus system 705. It is appreciated that the bus system 705 is used to enable connected communications between these components. The bus system 705 includes a power bus, a control bus, and a status signal bus in addition to the data bus. But for clarity of illustration, the various buses are labeled as bus system 705 in fig. 7.
The user interface 703 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, a trackball, a touch pad, or a touch screen, etc.).
It is to be appreciated that memory 702 in embodiments of the invention may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM) which acts as an external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (Double Data Rate SDRAM), enhanced SDRAM (ESDRAM), synchronous DRAM (SLDRAM), and Direct RAM (DRRAM). The memory 702 of the systems and methods described in embodiments of the present invention is intended to comprise, without being limited to, these and any other suitable types of memory.
In some implementations, the memory 702 stores the following elements, executable modules or data structures, or a subset thereof, or an extended set thereof: an operating system 7021 and application programs 7022.
The operating system 7021 contains various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks. The application programs 7022 include various application programs such as a Media Player (Media Player), a Browser (Browser), and the like for realizing various application services. A program for implementing the method of the embodiment of the present invention may be contained in the application program 7022.
In the embodiment of the present invention, the terminal device 700 further includes: a computer program stored in the memory 702 and capable of running on the processor 701, when executed by the processor 701, implements the respective processes of the methods described in the foregoing fig. 1 to 3, and achieves the same technical effects, and for avoiding repetition, a detailed description is omitted herein.
The method disclosed in the above embodiment of the present invention may be applied to the processor 701 or implemented by the processor 701. The processor 701 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in the processor 701 or by instructions in the form of software. The processor 701 described above may be a general purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding processor. The software modules may be located in a computer readable storage medium well known in the art such as random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, and the like. The computer readable storage medium is located in a memory 702, and the processor 701 reads information in the memory 702 and performs the steps of the above method in combination with its hardware. In particular, the computer readable storage medium has stored thereon a computer program which, when executed by the processor 701, performs the steps of the method embodiments described in the above fig. 1-3.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
Accordingly, the present application also proposes a computer readable medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method according to any of the embodiments of the present application.
Finally, the present application also proposes a mobile communication system comprising at least 1 terminal device according to any one embodiment of the present application and at least 1 network device according to any one embodiment of the present application.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims (13)

1. The multiplexing method of the uplink control information is characterized by comprising the following steps:
the length of HARQ-ACK to be transmitted is O within a target period ACK Bits and only SPS HARQ-ACK for non-associated PDCCH, SPS HARQ-ACK for associated PDCCH without feedback, O ACK >0；
The length of the CSI to be transmitted is O within the target period CSI Bits, O CSI >0；
The length of the SR to be sent is O within the target period SR Bits, O SR ≥0；
A target PUCCH is determined in the first PUCCH set and the second PUCCH set,
if O ACK Less than or equal to a preset threshold value, wherein the target PUCCH belongs to a second PUCCH set, if O ACK >A preset threshold value, wherein the target PUCCH belongs to a first PUCCH set;
or,
if O ACK >O CSI The target PUCCH belongs to the first PUCCH set, if O ACK ≤O CSI The target PUCCH belongs to a second PUCCH set;
wherein,
the first PUCCH set is a PUCCH set configured for HARQ-ACK of semi-persistent scheduling, and the second PUCCH set is a PUCCH set configured for CSI feedback;
the target PUCCH is used for transmitting the HARQ-ACK, CSI and SR information to be transmitted in the target period.
2. The method of claim 1, wherein,
according to O ACK +O CSI +O SR +O CRC Determining a target PUCCH at the first PUCCH set, or based on the value of O ACK +O CSI +O SR +O CRC Determining a target PUCCH at a second PUCCH set, wherein O CRC Is the number of bits of CRC check bits needed to encode the HARQ-ACK, CSI and SR.
3. The method of claim 1, wherein,
the preset threshold value is 2.
4. The method according to claim 2, wherein, according to O ACK +O CSI +O SR +O CRC Determining a target PUCCH at the second PUCCH set, comprising:
the second PUCCH set comprises J PUCCH resources, and the 1 st to the J th PUCCH resources are used for modulating the order Q according to the number of the included REs m The products of the code rate r and the code rate r are sequenced from small to large;
if it isThe target PUCCH is the first PUCCH within the second PUCCH set; if-> And if-> Wherein 0.ltoreq.j<J-1, the target PUCCH being the j+1th PUCCH within the second PUCCH set; otherwise, the target PUCCH is the J-th PUCCH within the second PUCCH set;
wherein, the number of RBs included in the frequency domain of the PUCCH is the number of RBs included in the frequency domain of the PUCCH, and the PUCCH formats 2, 3 and 4 are respectivelyAnd-> Is the number of subcarriers within one RB, +.>Is a spreading factor configured for PUCCH format 4, < ->Is the number of time domain symbols included in the PUCCH.
5. The method according to claim 2, wherein, according to O ACK +O CSI +O SR +O CRC Determining a target PUCCH at the first PUCCH set, comprising:
The first PUCCH set includes P PUCCH resources, where the qth PUCCH supports more than N q,min Less than or equal to N q,max Feedback of HARQ-ACK of bits, target PUCCH is the ith PUCCH in the first PUCCH set, satisfying N i,min ≤O ACK +O CSI +O SR +O CRC ≤N i,max 。
6. The method of claim 5, wherein transmitting the HARQ-ACK, CSI, and SR information to be transmitted on a target PUCCH comprises:
the lowest frequency in the target PUCCHThe HARQ-ACK, CSI and SR information are transmitted on one RB,satisfy-> And is also provided with Wherein->The number of RBs included in the frequency domain of the target PUCCH is +.> And-> Is the number of subcarriers within one RB, +.>Is a spreading factor configured for PUCCH format 4, < ->Is the number of time domain symbols included in the PUCCH.
7. The method according to any one of claim 1 to 6, wherein,
O SR =0 means that the SR to be fed back is not included in the target period.
8. A terminal device for implementing the method of any of claims 1-7, characterized in that the terminal device comprises a terminal determination module for selecting a target PUCCH from the first PUCCH set and the second PUCCH set, the target PUCCH being used for transmitting multiplexed HARQ-ACK, CSI and SR information.
9. A terminal device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor performs the steps of the method according to any one of claims 1 to 7.
10. A network device for implementing the method of any of claims 1-7, characterized in that the network device comprises a network determination module for selecting a target PUCCH from the first PUCCH set and the second PUCCH set, the target PUCCH being for receiving multiplexed HARQ-ACK, CSI and SR information.
11. A network device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor performs the steps of the method according to any one of claims 1 to 7.
12. A mobile communication system comprising at least 1 terminal device according to any one of claims 8 to 9 and at least 1 network device according to any one of claims 10 to 11.
13. A computer readable medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method according to any of claims 1 to 7.
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