Abstract
Examples of the present disclosure provide an ACK/NACK/SR resource mapping method and an apparatus. According to the technical solution provided by the examples of the present disclosure in a system including a terminal utilizing a first type protocol and a terminal utilizing a second type protocol the base station allocates the ACK/NACK/SR resources corresponding to the second type protocol in an area outside of the ACK/NACK/SR resource area reserved for the terminal utilizing the first type protocol and informs the terminal utilizing the second type protocol of the allocation information of the corresponding ACK/NACK/SR resources. Thus the terminal utilizing the second type protocol may transmit feedback information via the corresponding ACK/NACK/SR resources.
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4G | 22/10/2018 | ISLD-201810-031 | CHINA ACADEMY OF TELECOMM TECH |
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WO2013010440A1 | 4G | 22/10/2018 | ISLD-201810-031 | CHINA ACADEMY OF TELECOMM TECH |
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CN102238737A | 4G | 22/10/2018 | ISLD-201810-031 | CHINA ACADEMY OF TELECOMM TECH |
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CN102238737B | 4G | 22/10/2018 | ISLD-201810-031 | CHINA ACADEMY OF TELECOMM TECH |
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EP2736293A1 | 4G | 22/10/2018 | ISLD-201810-031 | CHINA ACADEMY OF TELECOMM TECH |
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EP2736293B1 | 4G | 22/10/2018 | ISLD-201810-031 | CHINA ACADEMY OF TELECOMM TECH |
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US2014219201A1 | 4G | 22/10/2018 | ISLD-201810-031 | CHINA ACADEMY OF TELECOMM TECH |
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Technologies
Resource configuration
Product
Use Cases
Services
Claim
1. An acknowledgement (ACK)/negative acknowledgement (NACK)/scheduling request (SR) resource mapping method, comprising:
allocating, by a base station in a system comprising a terminal utilizing a first type protocol and a terminal utilizing a second type protocol, ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol in an area outside of an ACK/NACK/SR resource area reserved for the terminal utilizing the first type protocol; and
receiving, by the base station, feedback information of the terminal utilizing the second type protocol on the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol;
wherein the allocating the ACK/NACK/ISR resources corresponding to the terminal utilizing the second type protocol in the area outside of the ACK/NACK/SR resource area reserved for the terminal utilizing the first type protocol comprises:
determining by the base station the ACK/NACK/SR resources corresponding to the terminal utilizing he second type protocol by itself; or
determining, by the base station, the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol according to a predefined rule.
2. The method of claim 1, further comprising:
if the base station determines the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol by itself,
informing, by the base station, the terminal utilizing the second type protocol of allocation information of the ACK/NACK/SR resources via higher layer signaling.
3. The method of claim 2, wherein the informing the terminal utilizing the second type protocol of the allocation information of the ACK/NACK/SR resources via higher layer signaling comprises:
informing, by the base station, the terminal utilizing the second type protocol of nPUCCH,initial (1) information via higher layer signaling, such that the terminal utilizing the second type protocol determines, according to the nPUCCH,initial (1) information, an ACK/NACK/SR resource corresponding to a first downlink subframe in a feedback window, and determines ACK/NACK/SR resources corresponding to following downlink subframes in the feedback window according to nPUCCH,k (1) information which is obtained by performing an offset processing to the nPUCCH,initial (1) information according to offset information informed by the base station or according to predefined offset information; or
informing, by the base station, the terminal utilizing the second type protocol of multiple pieces of nPUCCH (1) information via higher layer signaling, such that the terminal utilizing the second type protocol determines an ACK/NACK/SR resource corresponding to each downlink subframe in a feedback window according to the multiple pieces of nPUCCH (1) information; wherein the number of pieces of nPUCCH (1) information equals to number of downlink subframes in a current feedback window, or equals to a maximum number of downlink subframes in all feedback windows of a current uplink-downlink configuration, or equals to a maximum number of downlink subframes in all feedback windows in the system.
4. The method of claim 3, wherein a corresponding relationship between the multiple pieces of nPUCCH (1) PUCCH information and the downlink subframes in the feedback window is determined by the terminal utilizing the second type protocol according to a predefined correspondence rule or according to physical downlink control channel (PDCCH) information in the downlink subframes in the feedback window.
5. The method of claim 1, wherein if the system has PDCCH scheduled physical downlink shared channel (PDSCH) or a PDCCH which indicates release of semi-persistent scheduling (SPS) resource, the base station determines the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol according to the predefined rule.
6. The method of claim 1, wherein the predefined rule comprises a corresponding relationship between a physical downlink control channel (PDCCH) scheduled physical downlink shared channel (PDSCH) or a PDCCH which indicates release of semi-persistent scheduling (SPS) resource in a feedback window and the ACK/NACK/SR resources, the corresponding relationship meets:
n PUCCH,i (1)=(M?i?1)N p +iN p+1 +n CCE+Start;
wherein M is a number of elements in set K and varies in accordance with an uplink and downlink configuration; nCCE is an index of the first control channel element CCE used b PDCCH n subframe n?kmwherein kmis a minimum value in the set K; p is a value selected in {0,1,2,3} ,meeting Np �n CCE
Start=NPUCCH,D (1) , NPUCCH,D (1) is configured by the base station by itself, avoiding ACK/NACK/SR resource conflict with the terminal utilizing the first type protocol; the base station transmits the NPUCCH,D (1) to the terminal utilizing the second type protocol via higher layer signaling, such that the terminal utilizing the second type protocol determines the allocation information of the ACK/NACK/SR resources according to the NPUCCH,D (1) and the predefined rule; wherein NPUCCH,D (1) denotes a start point of the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol; or
Start=NPUCCH (1)+delta ,delta is configured by the base station by itself, the base station transmits the delta to the terminal utilizing the second type protocol via higher layer signaling, such that the terminal utilizing the second type protocol determines the allocation information of the ACK/NACK/SR resources according to the NPUCCH (1) delta and the predefined rule; or
if the base station allocates the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol in the area in front of the ACK/NACK/SR resource area reserved for the terminal utilizing the first type protocol, Start=NPUCCH (1)?FB, wherein NPUCCH (1) denotes a start point of predefined ACK/NACK/SR resources of the first type protocol, FB denotes a total amount of ACK/NACK/SR resources reserved for the second type protocol; or
if the base station allocates the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol in the area after the ACK/NACK/SR resource area reserved for the terminal utilizing the first type protocol, Start=NPUCCH (1)+FA, wherein, FA denotes a total amount of ACK/NACK/SR resources reserved for the first type protocol.
8. The method of claim 7, wherein
the total amount FB of ACK/NACK/SR resources reserved for the second type protocol is further expressed as:
F
B
=
{
M
D
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the total amount FA of the ACK/NACK/SR resources reserved for the first type protocol is further expressed as:
F
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=
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M
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wherein MD denotes a number of downlink subframes of a feedback solution of the second type protocol in one feedback window; kD denotes a number of special slots in the feedback solution of the second type protocol in one feedback window; MR8 denotes a number of downlink subframes in a feedback solution of the first type protocol in one feedback window; kR8 denotes a number of special slots in the feedback solution of the first type protocol in one feedback window; Nn , denotes a number of control channel elements (CCEs) born by n PDCCH symbols, n denotes the number of PDCCH symbols in the downlink subframes, wherein the number of symbols is: a maximum number of PDCCH symbols in the downlink subframes of one feedback window; or, is configured by the base station by itself and is indicated by higher layer signaling; or, is configured with a default value.
9. An acknowledgement (ACK)/negative acknowledgement (NACK)/scheduling request (SR) resource mapping method, comprising:
allocating base station in a system comprising terminal utilizing a first type protocol and a terminal utilizing a second type protocol ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol in an area outside of an ACK/NACK/SR resource area reserved for the terminal utilizing the first type protocol; and
receiving, by the base station, feedback information of the terminal utilizing the second type protocol on the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol;
wherein if the terminal utilizing the second type protocol determines that the allocation information nPUCCH,i (1) of the ACK/NACK/SR resources corresponds to physical layer resources, where nPUCCH,i (1) denotes an index of the ACK/INACK/SR resources, Dshift PUCCH is a parameter provided by higher layer, and is informed by higher layer signaling or is configured to be 1 in default.
10. An acknowledgement (ACK)/negative acknowledgement (NACK)/scheduling request (SR) resource mapping method, comprising:
obtaining, by a terminal utilizing a second type protocol in a system comprising a terminal utilizing a first type protocol and the terminal utilizing the second type protocol, allocation information of ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol according to higher layer signaling transmitted by a base station and/or a predefined rule; wherein the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol is allocated in an area outside of an ACK/NACK/SR resource area reserved for the terminal utilizing the first type protocol;
determining, by the terminal utilizing the second type protocol, the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol according to the allocation information of the ACK/NACK/SR resources; and
transmitting, by the terminal utilizing the second type protocol, feedback information to the base station on the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol.
11. The method of claim 10, wherein the obtaining the allocation information of the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol according to the higher layer signaling transmitted by the base station comprises:
if the higher layer signaling carries nPUCCH,initial (1) information, determining, by the terminal utilizing the second type protocol, an ACK/NACK/SR resource corresponding to a first downlink subframe in a feedback window according to the nPUCCH,initial (1) information, and determining ACK/NACK/SR resources corresponding to following downlink subframes in the feedback window according to nPUCCH,k (1) information which is obtained by performing an offset processing to the nPUCCH,initial (1) information according to offset information informed by the base station or according to predefined offset information;
if the higher layer signaling carries multiple pieces of nPUCCH (1) information, determining, by the terminal utilizing the second type protocol, an ACK/NACK/SR resource corresponding to each downlink subframe in a feedback window according to the multiple pieces of nPUCCH (1) information; wherein the number of pieces of the nPUCCH (1) information equals to number of downlink subframes in a current feedback window, or equals to a maximum number of downlink subframes in all feedback windows of a current uplink-downlink configuration, or equals to a maximum number of downlink subframes in all feedback windows in the system.
12. The method of claim 11, wherein a corresponding relationship between the multiple pieces of nPUCCH (1) information and the downlink subframes in the feedback window is determined by the terminal utilizing the second type protocol according to a predefined correspondence rule or according to physical downlink control channel (PDCCH) information in the downlink subframes in the feedback window.
13. The method of claim 10, wherein the obtaining the allocation information of the ACK/NACK/SR resources corresponding to the terminal according to the higher layer signaling transmitted by the base station and/or the predefined rule comprises:
if the system has a PDCCH scheduled physical downlink shared channel (PDSCH) or a PDCCH which indicates release of semi-persistent scheduling (SPS) resource, determining, by the terminal, the allocation information of the ACK/NACK/SR resources corresponding to the terminal according to the higher layer signaling and the predefined rule, or according to the predefined rule;
wherein the base station allocates the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol in the area outside of the ACK/NACK/SR resource area reserved for the terminal utilizing the first type protocol.
14. The method of claim 10, wherein the predefined rule comprises a corresponding relationship between a physical downlink control channel (PDCCH) scheduled physical downlink shared channel (PDSCH) or a PDCCH which indicates release of semi-persistent scheduling (SPS) resource in a feedback window and the ACK/NACK/SR resources, the corresponding relationship meets:
n PUCCH,i (1)=(M?i?1)N p +iN p+1 +n CCE+Start;
wherein M is a number of elements in set K and varies in accordance with uplink-downlink information; nCCE denotes an index of the first control channel element CCE used b PDCCH in subframe n-km, wherein km is a minimum value in the set K; p is a value selected in {0,1,2,3 } meeting Np�nCCE
receiving, by the terminal utilizing the second type protocol, NPUCCH,D (1) transmitted by the base station to the terminal utilizing the second type protocol via the higher layer signaling, and configuring the NPUCCH,D (1) as the start point of the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol, Start=NPUCCH,D (1), determining, by the terminal utilizing the second type protocol, the allocation information of the ACK/NACK/SR resources according to the NPUCCH,D (1) and the predefined rule;
wherein NPUCCH,D (1) denotes a start point of the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol; or
receiving, by the terminal utilizing the second type protocol, delta transmitted by the base station to the terminal utilizing the second type protocol, the start point of the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol is Start=NPUCCH +delta, determining, by the terminal utilizing the second type protocol, the allocation information of the ACK/NACK/SR resources according to the NPUCCH (1), delta and the predefined rule; or
if the base station allocates the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol in the area in front of the ACK/NACK/SR resource area reserved for the terminal utilizing the first type protocol, receiving, by the terminal utilizing the second type protocol, NPUCCH (1) transmitted by the base station via the higher layer signaling, wherein the start point of the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol is Start=NPUCCH (1)FB determining, by the terminal utilizing the second type protocol, the allocation information of the ACK/NACK/SR resources according to the predefined rule, wherein NPUCCH (1)denotes the start point of ACK/NACK/SR resources of the first type protocol, FB denotes a total amount of ACK/NACK/SR resources reserved for the second type protocol; or
if the base station allocates the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol in the area after the ACK/NACK/SR resource area reserved for the terminal utilizing the first type protocol, receiving, by the terminal utilizing the second type protocol, NPUCCH (1) transmitted by the base station via the higher layer signaling, wherein the start point of the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol is Start=NPUCCH (1)+FA, determining, by the terminal utilizing the second type protocol, the allocation information of the ACK/NACK/SR resources according to the predefined rule, wherein FA denotes a total amount of ACK/NACK/SR resources reserved for the first type protocol.
16. A terminal utilizing a second type protocol, applied in a system comprising a terminal utilizing a first type protocol and the terminal utilizing the second type protocol, comprising:
an obtaining module to obtain allocation information of acknowledgement (ACK)/negative acknowledgement (NACK)/scheduling request (SR) resources corresponding to the terminal utilizing the second type protocol according to higher layer signaling transmitted by the base station and/or a predefined rule, wherein the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol is allocated in an area outside of an ACK/NACK/SR resource area reserved for the terminal utilizing the first type protocol;
a determining module to determine the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol according to the allocation information corresponding to the ACK/NACK/SR resources obtained by the obtaining module; and
a transmitting module to transmit feedback information to the base station on the ACK/NACK/SR resources determined by the determining module.
17. The terminal of claim 16, wherein the obtaining module is further to:
determine, if the higher layer signaling carries nPUCCH,initial (1) information, an ACK/NACK/SR resource corresponding to a first downlink subframe in a feedback window according to the nPUCCH,initial (1) information, and determine ACK/NACK/SR resources corresponding to following downlink subframes in the feedback window according to nPUCCH,k (1) information which is obtained by performing an offset processing to the nPUCCH,initial (1) information according to offset information informed by the base station or according to predefined offset information;
determine, if the higher layer signaling carries multiple pieces of nPUCCH (1)information, an ACK/NACK/SR resource corresponding to each downlink subframe in a feedback window according to the multiple pieces of nPUCCH (1) information; wherein the number of pieces of the nPUCCH (1) information equals to number of downlink subframes in a current feedback window, or equals to a maximum number of downlink subframes in all feedback windows of a current uplink-downlink configuration, or equals to a maximum number of downlink subframes in all feedback windows in the system.
18. The terminal of claim 16, wherein the obtaining module is further to:
if the system has a physical downlink control channel (PDCCH) scheduled physical downlink shared channel (PDSCH) or a PDCCH which indicates release of semi-persistent scheduling (SPS) resource, determine the allocation information of the ACK/NACK/SR resources corresponding to the terminal according to the higher layer signaling and the predefined rule, or according to the predefined rule;
wherein the base station allocates the ACK/NACK/SR resources corresponding to the terminal utilizing the second type protocol in the area outside of the ACK/NACK/SR resource area reserved for the terminal utilizing the first type protocol.
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
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Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
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