# US 10,873,421 B2 · Method and device for transmitting and receiving feedback information of physical uplink shared channel

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 10,873,421 B2
- Document ID: US10873421B2
- Status: Granted
- Kind: B2
- Application number: 16/312,201
- Filed: 2017-04-13
- Published: 2019-09-12
- Granted: 2020-12-22
- Earliest claimed: 2016-06-22
- Assignees: China Academy of Telecommunications Technology
- Applicants: China Academy of Telecommunications Technology
- Inventors: Xuejuan Gao; Xueming Pan
- Web page: https://patentgrep.com/patent/US10873421B2

## CPC

- H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04L 1/1854: {Scheduling and prioritising arrangements}
- H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)}
- H04L 5/14: Two-way operation using the same type of signal, i.e. duplex
- H04W 72/0446: Resources in time domain, e.g. slots or frames
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

The invention relates to the field of wireless communication technology, and in particular, to a method and device for transmitting and receiving feedback information, resolving a problem of providing ACK/NACK feedback of a physical uplink shared channel (PUSCH) transmission in an uplink pilot time slot (UpPTS). In one embodiment of the invention, the method comprises: a terminal transmits, in a special subframe n, PUSCH data, and receive, in a subframe (n+kPHICH), physical hybrid-ARQ indicator channel (PHICH) data corresponding to the PUSCH data, wherein a PHICH is used to carry feedback information of the PUSCH data; and a network apparatus receives, in the special subframe n, the PUSCH data, and transmits, in the subframe (n+kPHICH), the PHICH data corresponding to the PUSCH data. Therefore, the embodiment implements transmission of ACK/NACK of PUSCH data in an UpPTS.

## Claims

### Claim 1

A method for receiving feedback information of Physical Uplink Shared Channel, the method comprising:
transmitting, by a User Equipment (UE), a Physical Uplink Shared Channel (PUSCH) in a special subframe n, wherein n is a subframe index of the special subframe; and
receiving, by the UE, a Physical Hybrid Automatic Repeat Request (HARQ) Indicating Channel (PHICH) corresponding to the PUSCH in a subframe n+kPHICH, wherein the PHICH carries feedback information of the PUSCH, and kPHICH is a prescribed or preconfigured value to determine subframe n+kPHICH;
wherein:
for a Time Division Duplex (TDD) uplink-downlink configuration 0, when n is 1 or 6, then kPHICH is one of 4, 5, 9, and 10; or
for a TDD uplink-downlink configuration 1, when n is 1 or 6, then kPHICH is one of 3, 5, 8, 9, and 10; or
for a TDD uplink-downlink configuration 2, when n is 1 or 6, then kPHICH is one of 2, 3, 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 3, when n is 1, then kPHICH is one of 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 4, when n is 1, then kPHICH is one of 3, 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 5, when n is 1, then kPHICH is one of 2, 3, 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 6, when n is 1, then kPHICH is one of 4, 5, 8, 9, and 10; or
for a TDD uplink-downlink configuration 6, when n is 6, then kPHICH is one of 3, 4, 5, 9, and 10;
wherein the TDD uplink-downlink configuration is an uplink reference TDD uplink-downlink configuration, or a TDD uplink-downlink configuration configured in system information;
for the TDD uplink-downlink configuration 0, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 2 and scheme 4 below; for the TDD uplink-downlink configuration 1, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 2 and scheme 3 below; for the TDD uplink-downlink configuration 2-5, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 1 to scheme 3 below; for the TDD uplink-downlink configuration 6, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 2 or scheme 3 below;
wherein scheme 1:
for the TDD uplink-downlink configuration 1, when the subframe n+kPHICH is the subframe 0 and the subframe kPHICH is the subframe 9, or when the subframe n+kPHICH is the subframe 5 and the subframe kPHICH is the subframe 9, or for the TDD uplink-downlink configuration 2, when the subframe n+kPHICH is the subframe 0, 4, 5, or 9, or the subframe n+kPHICH is the subframe 1 and the subframe kPHICH is the subframe 10, or the subframe n+kPHICH is the subframe 6 and the subframe kPHICH is the subframe 10, or for the TDD uplink-downlink configuration 3, when the subframe n+kPHICH is the subframe 1, 5, or 6, or for the TDD uplink-downlink configuration 4, when the subframe n+kPHICH is the subframe 0, 1, 4, 5, or 6, or for the TDD uplink-downlink configuration 5, when the subframe n+kPHICH is the subframe 0, 1, 3, 4, 5, 6, or 9, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is 1;
wherein i is a subframe index of the subframe n+kPHICH, and NPHICHgroup is a number of PHICH groups determined according to a parameter configured in high-layer signaling;
scheme 2:
for the TDD uplink-downlink configuration 0, when kPHICH is 4, 5, 9, or 10, or for the TDD uplink-downlink configuration 1, when kPHICH is 3, 5, 8, or 10, or for the TDD uplink-downlink configuration 2, when kPHICH is 2 or 7, or for the TDD uplink-downlink configuration 3, when kPHICH is 7, 8, or 9, or for the TDD uplink-downlink configuration 4, when kPHICH is 7 or 8, or for the TDD uplink-downlink configuration 5, when kPHICH is 7, or for the TDD uplink-downlink configuration 6, when kPHICH is 3, 4, 5, 8, 9, or 10, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is a value defined in 3GPP TS 36.211;
wherein i is a subframe index of the subframe n+kPHICH, mi is a coefficient for determining the number of PHICH groups corresponding to a subframe i in a TDD system, and NPHICHgroup is a number of PHICH groups determined according to a parameter configured in high-layer signaling;
scheme 3:
for the TDD uplink-downlink configuration 1, when the subframe n+kPHICH is the subframe 1, 4, 6, or 9, or for the TDD uplink-downlink configuration 2, when the subframe n+kPHICH is the subframe 3 or 8, or for the TDD uplink-downlink configuration 3, when the subframe n+kPHICH is the subframe 0, 8, or 9, or for the TDD uplink-downlink configuration 4, when the subframe n+kPHICH is the subframe 8 or 9, or for the TDD uplink-downlink configuration 5, when the subframe n+kPHICH is the subframe 8, or for the TDD uplink-downlink configuration 6, when the subframe n+kPHICH is the subframe 0, 5, or 9, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is 2;
wherein i is a subframe index of the subframe n+kPHICH, and NPHICHgroup is a number of PHICH groups determined according to a parameter configured in high-layer signaling;
scheme 4:
for the TDD uplink-downlink configuration 0, when the subframe n+kPHICH is the subframe 0 or 5, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is 3;
wherein i is a subframe index of the subframe n+kPHICH, and NPHICHgroup is the number of PHICH groups determined according to a parameter configured in high-layer signaling.

### Claim 2 (depends on 1)

The method according to claim 1, wherein when mi is 1, receiving, by the UE, the PHICH corresponding to the PUSCH in the subframe n+kPHICH comprises:
determining, by the UE, IPHICH corresponding to the PUSCH transmitted in the special subframe n to be IPHICH=0, and determining a PHICH resource, corresponding to the PUSCH, in the subframe n+kPHICH according to a value of IPHICH; and
receiving, by the UE, the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource;
wherein IPHICH is a parameter for determining the PHICH resource;
when mi is a value defined in the 3GPP TS 36.211, receiving, by the UE, the PHICH corresponding to the PUSCH in the subframe n+kPHICH comprises:
determining, by the UE, a PHICH resource, corresponding to the PUSCH transmitted in the special subframe n, in the subframe n+kPHICH according to a lowest Physical Resource Block (PRB) index of the PUSCH transmitted in the special subframe n, Demodulation Reference Signal (DMRS) cyclic shift information indicated in scheduling information of the PUSCH, and a prescribed or preconfigured value of IPHICH corresponding to the PUSCH transmitted in the special subframe n; and
receiving, by the UE, the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource;
wherein the lowest PRB index of the PUSCH transmitted in the special subframe n is different from a lowest PRB index of a PUSCH transmitted in a corresponding uplink subframe for which the PHICH is received according to the value of IPHICH in the subframe n+kPHICH, and/or the Demodulation Reference Signal (DMRS) cyclic shift information indicated in the scheduling information of the PUSCH transmitted in the special subframe n is different from DMRS cyclic shift information indicated in scheduling information of a PUSCH transmitted in a corresponding uplink subframe for which the PHICH is received according to the value of IPHICH in the subframe n+kPHICH.

### Claim 3 (depends on 1)

The method according to claim 1, wherein when mi is 2, receiving, by the UE, the PHICH corresponding to the PUSCH in the subframe n+kPHICH comprises:
determining, by the UE, IPHICH corresponding to the PUSCH transmitted in the special subframe n to be IPHICH=1, and determining a PHICH resource, corresponding to the PUSCH, in the subframe n+kPHICH according to a value of IPHICH; and
receiving, by the UE, the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource;
wherein IPHICH is a parameter for determining the PHICH resource;
when mi is 3, receiving, by the UE, the PHICH corresponding to the PUSCH in the subframe n+kPHICH comprises:
determining, by the UE, IPHICH corresponding to the PUSCH transmitted in the special subframe n to be IPHICH=2, and determining a PHICH resource, corresponding to the PUSCH, in the subframe n+kPHICH according to a value of IPHICH; and
receiving, by the UE, the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource;
wherein IPHICH is a parameter for determining the PHICH resource.

### Claim 4

A method for transmitting feedback information of Physical Uplink Shared Channel, the method comprising:
receiving, by a network-side device, a Physical Uplink Shared Channel (PUSCH) in a special subframe n, wherein n is a subframe index of the special subframe; and
transmitting, by the network-side device, a Physical Hybrid Automatic Repeat Request (HARQ) Indicating Channel (PHICH) corresponding to the PUSCH in a subframe n+kPHICH, wherein the PHICH carries feedback information of the PUSCH, and kPHICH is a prescribed or preconfigured value to determine subframe n+kPHICH;
wherein:
for a TDD uplink-downlink configuration 0, when n is 1 or 6, then kPHICH is one of 4, 5, 9, and 10; or
for a TDD uplink-downlink configuration 1, when n is 1 or 6, then kPHICH is one of 3, 5, 8, 9, and 10; or
for a TDD uplink-downlink configuration 2, when n is 1 or 6, then kPHICH is one of 2, 3, 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 3, when n is 1, then kPHICH is one of 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 4, when n is 1, then kPHICH is one of 3, 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 5, when n is 1, then kPHICH is one of 2, 3, 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 6, when n is 1, then kPHICH is one of 4, 5, 8, 9, and 10; or
for a TDD uplink-downlink configuration 6, when n is 6, then kPHICH is one of 3, 4, 5, 9, and 10;
wherein the TDD uplink-downlink configuration is an uplink reference TDD uplink-downlink configuration, or a TDD uplink-downlink configuration configured in system information;
for the TDD uplink-downlink configuration 0, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 2 and scheme 4 below; for the TDD uplink-downlink configuration 1, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 2 and scheme 3 below; for the TDD uplink-downlink configuration 2-5, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 1 to scheme 3 below; for the TDD uplink-downlink configuration 6, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 2 or scheme 3 below;
wherein scheme 1:
for the TDD uplink-downlink configuration 1, when the subframe n+kPHICH is the subframe 0 and the subframe kPHICH is the subframe 9, or when the subframe n+kPHICH is the subframe 5 and the subframe kPHICH is the subframe 9, or for the TDD uplink-downlink configuration 2, when the subframe n+kPHICH is the subframe 0, 4, 5, or 9, or the subframe n+kPHICH is the subframe 1 and the subframe kPHICH is the subframe 10, or the subframe n+kPHICH is the subframe 6 and the subframe kPHICH is the subframe 10, or for the TDD uplink-downlink configuration 3, when the subframe n+kPHICH is the subframe 1, 5, or 6, or for the TDD uplink-downlink configuration 4, when the subframe n+kPHICH is the subframe 0, 1, 4, 5, or 6, or for the TDD uplink-downlink configuration 5, when the subframe n+kPHICH is the subframe 0, 1, 3, 4, 5, 6, or 9, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is 1;
wherein i is a subframe index of the subframe n+kPHICH, and NPHICHgroup is the number of PHICH groups determined according to a parameter configured in high-layer signaling;
scheme 2:
for the TDD uplink-downlink configuration 0, when kPHICH is 4, 5, 9, or 10, or for the TDD uplink-downlink configuration 1, when kPHICH is 3, 5, 8, or 10, or for the TDD uplink-downlink configuration 2, when kPHICH is 2 or 7, or for the TDD uplink-downlink configuration 3, when kPHICH is 7, 8, or 9, or for the TDD uplink-downlink configuration 4, when kPHICH is 7 or 8, or for the TDD uplink-downlink configuration 5, when kPHICH is 7, or for the TDD uplink-downlink configuration 6, when kPHICH is 3, 4, 5, 8, 9, or 10, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is a value defined in 3GPP TS 36.211;
wherein i is a subframe index of the subframe n+kPHICH, mi is a coefficient for determining the number of PHICH groups corresponding to a subframe i in a TDD system, and NPHICHgroup is a number of PHICH groups determined according to a parameter configured in high-layer signaling;
scheme 3:
for the TDD uplink-downlink configuration 1, when the subframe n+kPHICH is the subframe 1, 4, 6, or 9, or for the TDD uplink-downlink configuration 2, when the subframe n+kPHICH is the subframe 3 or 8, or for the TDD uplink-downlink configuration 3, when the subframe n+kPHICH is the subframe 0, 8, or 9, or for the TDD uplink-downlink configuration 4, when the subframe n+kPHICH is the subframe 8 or 9, or for the TDD uplink-downlink configuration 5, when the subframe n+kPHICH is the subframe 8, or for the TDD uplink-downlink configuration 6, when the subframe n+kPHICH is the subframe 0, 5, or 9, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is 2;
wherein i is a subframe index of the subframe n+kPHICH, and NPHICHgroup is a number of PHICH groups determined according to a parameter configured in high-layer signaling;
scheme 4:
for the TDD uplink-downlink configuration 0, when the subframe n+kPHICH is the subframe 0 or 5, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is 3;
wherein i is a subframe index of the subframe n+kPHICH, and NPHICHgroup is a number of PHICH groups determined according to a parameter configured in high-layer signaling.

### Claim 5 (depends on 4)

The method according to claim 4, wherein when mi is 1, transmitting, by the network-side device, the PHICH corresponding to the PUSCH in the subframe n+kPHICH comprises:
determining, by the network-side device, IPHICH corresponding to the PUSCH transmitted in the special subframe n to be IPHICH=0, and determining a PHICH resource, corresponding to the PUSCH, in the subframe n+kPHICH according to a value of IPHICH; and
transmitting, by the network-side device, the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource;
wherein IPHICH is a parameter for determining the PHICH resource;
when mi is a value defined in the 3GPP TS 36.211, transmitting, by the network-side device, the PHICH corresponding to the PUSCH in the subframe n+kPHICH comprises:
determining, by the network-side device, a PHICH resource, corresponding to the PUSCH transmitted in the special subframe n, in the subframe n+kPHICH according to a lowest PRB index of the PUSCH transmitted in the special subframe n, DMRS cyclic shift information indicated in scheduling information of the PUSCH, and a prescribed or preconfigured value of IPHICH corresponding to the PUSCH transmitted in the special subframe n; and
transmitting, by the network-side device, the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource;
wherein the lowest PRB index of the PUSCH transmitted in the special subframe n is different from a lowest PRB index of a PUSCH transmitted in a corresponding uplink subframe for which the PHICH is received according to the value of IPHICH in the subframe n+kPHICH, and/or the DMRS cyclic shift information indicated in the scheduling information of the PUSCH transmitted in the special subframe n is different from DMRS cyclic shift information indicated in scheduling information of a PUSCH transmitted in a corresponding uplink subframe for which the PHICH is received according to the value of IPHICH in the subframe n+kPHICH.

### Claim 6 (depends on 4)

The method according to claim 4, wherein when mi is 2, transmitting, by the network-side device, the PHICH corresponding to the PUSCH in the subframe n+kPHICHcomprises:
determining, by the network-side device, IPHICH corresponding to the PUSCH transmitted in the special subframe n to be IPHICH=1, and determining a PHICH resource, corresponding to the PUSCH, in the subframe n+kPHICH according to a value of IPHICH; and
transmitting, by the network-side device, the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource;
wherein IPHICH is a parameter for determining the PHICH resource;
when mi is 3, transmitting, by the network-side device, the PHICH corresponding to the PUSCH in the subframe n+kPHICH comprises:
determining, by the network-side device, IPHICH corresponding to the PUSCH transmitted in the special subframe n to be IPHICH=2, and determining a PHICH resource, corresponding to the PUSCH, in the subframe n+kPHICH according to a value of IPHICH; and
transmitting, by the network-side device, the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource;
wherein IPHICH is a parameter for determining the PHICH resource.

### Claim 7

A UE for receiving feedback information of Physical Uplink Shared Channel, the UE comprising a processor, a transceiver, and a memory, wherein:
the processor is configured to read and execute program in the memory:
to transmit a Physical Uplink Shared Channel (PUSCH) in a special subframe n through the transceiver, wherein n is a subframe index of the special subframe; and to receive a Physical Hybrid Automatic Repeat Request (HARQ) Indicating Channel (PHICH) corresponding to the PUSCH in a subframe n+kPHICH through the transceiver, wherein the PHICH carries feedback information of the PUSCH, and kPHICH is a prescribed or preconfigured value to determine subframe n+kPHICH; and
the transceiver is configured to receive and transmit data under the control of the processor;
wherein:
for a TDD uplink-downlink configuration 0, when n is 1 or 6, then kPHICH is one of 4, 5, 9, and 10; or
for a TDD uplink-downlink configuration 1, when n is 1 or 6, then kPHICH is one of 3, 5, 8, 9, and 10; or
for a TDD uplink-downlink configuration 2, when n is 1 or 6, then kPHICH is one of 2, 3, 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 3, when n is 1, then kPHICH is one of 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 4, when n is 1, then kPHICH is one of 3, 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 5, when n is 1, then kPHICH is one of 2, 3, 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 6, when n is 1, then kPHICH is one of 4, 5, 8, 9, and 10; or
for a TDD uplink-downlink configuration 6, when n is 6, then kPHICH is one of 3, 4, 5, 9, and 10;
wherein the TDD uplink-downlink configuration is an uplink reference TDD uplink-downlink configuration, or a TDD uplink-downlink configuration configured in system information;
for the TDD uplink-downlink configuration 0, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 2 and scheme 4 below; for the TDD uplink-downlink configuration 1, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 2 and scheme 3 below; for the TDD uplink-downlink configuration 2-5, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 1 to scheme 3 below; for the TDD uplink-downlink configuration 6, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 2 or scheme 3 below;
wherein scheme 1:
for the TDD uplink-downlink configuration 1, when the subframe n+kPHICH is the subframe 0 and the subframe kPHICH is the subframe 9, or when the subframe n+kPHICH is the subframe 5 and the subframe kPHICH is the subframe 9, or for the TDD uplink-downlink configuration 2, when the subframe n+kPHICH is the subframe 0, 4, 5, or 9, or the subframe n+kPHICH is the subframe 1 and the subframe kPHICH is the subframe 10, or the subframe n+kPHICH is the subframe 6 and the subframe kPHICH is the subframe 10, or for the TDD uplink-downlink configuration 3, when the subframe n+kPHICH is the subframe 1, 5, or 6, or for the TDD uplink-downlink configuration 4, when the subframe n+kPHICH is the subframe 0, 1, 4, 5, or 6, or for the TDD uplink-downlink configuration 5, when the subframe n+kPHICH is the subframe 0, 1, 3, 4, 5, 6, or 9, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is 1;
wherein i is a subframe index of the subframe n+kPHICH, and NPHICHgroup is a number of PHICH groups determined according to a parameter configured in high-layer signaling;
scheme 2:
for the TDD uplink-downlink configuration 0, when kPHICH is 4, 5, 9, or 10, or for the TDD uplink-downlink configuration 1, when kPHICH is 3, 5, 8, or 10, or for the TDD uplink-downlink configuration 2, when kPHICH is 2 or 7, or for the TDD uplink-downlink configuration 3, when kPHICH is 7, 8, or 9, or for the TDD uplink-downlink configuration 4, when kPHICH is 7 or 8, or for the TDD uplink-downlink configuration 5, when kPHICH is 7, or for the TDD uplink-downlink configuration 6, when kPHICH is 3, 4, 5, 8, 9, or 10, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is a value defined in 3GPP TS 36.211;
wherein i is a subframe index of the subframe n+kPHICH, mi is a coefficient for determining the number of PHICH groups corresponding to a subframe i in a TDD system, and NPHICHgroup is a number of PHICH groups determined according to a parameter configured in high-layer signaling;
scheme 3:
for the TDD uplink-downlink configuration 1, when the subframe n+kPHICH is the subframe 1, 4, 6, or 9, or for the TDD uplink-downlink configuration 2, when the subframe n+kPHICH is the subframe 3 or 8, or for the TDD uplink-downlink configuration 3, when the subframe n+kPHICH is the subframe 0, 8, or 9, or for the TDD uplink-downlink configuration 4, when the subframe n+kPHICH is the subframe 8 or 9, or for the TDD uplink-downlink configuration 5, when the subframe n+kPHICH is the subframe 8, or for the TDD uplink-downlink configuration 6, when the subframe n+kPHICH is the subframe 0, 5, or 9, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is 2;
wherein i is a subframe index of the subframe n+kPHICH, and NPHICHgroup is a number of PHICH groups determined according to a parameter configured in high-layer signaling;
scheme 4:
for the TDD uplink-downlink configuration 0, when the subframe n+kPHICH is the subframe 0 or 5, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is 3;
wherein i is a subframe index of the subframe n+kPHICH, and NPHICHgroup is the number of PHICH groups determined according to a parameter configured in high-layer signaling.

### Claim 8 (depends on 7)

The UE according to claim 7, wherein when mi is 1, the processor is configured: to determine IPHICH corresponding to the PUSCH transmitted in the special subframe n to be IPHICH=0, and to determine a PHICH resource, corresponding to the PUSCH, in the subframe n+kPHICH according to a value of IPHICH; and to receive the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource; wherein IPHICH is a parameter for determining the PHICH resource;
when mi is a value defined in the 3GPP TS 36.211, the processor is configured: to determine a PHICH resource, corresponding to the PUSCH transmitted in the special subframe n, in the subframe n+kPHICH according to a lowest PRB index of the PUSCH transmitted in the special subframe n, DMRS cyclic shift information indicated in scheduling information of the PUSCH, and a prescribed or preconfigured value of IPHICH corresponding to the PUSCH transmitted in the special subframe n; and to receive the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource; wherein the lowest PRB index of the PUSCH transmitted in the special subframe n is different from a lowest PRB index of a PUSCH transmitted in a corresponding uplink subframe for which the PHICH is received according to the value of IPHICH in the subframe n+kPHICH, and/or the DMRS cyclic shift information indicated in the scheduling information of the PUSCH transmitted in the special subframe n is different from DMRS cyclic shift information indicated in scheduling information of a PUSCH transmitted in a corresponding uplink subframe for which the PHICH is received according to the value of IPHICH in the subframe n+kPHICH;
when mi is 2, the processor is configured: to determine IPHICH corresponding to the PUSCH transmitted in the special subframe n to be IPHICH=1, and to determine a PHICH resource, corresponding to the PUSCH, in the subframe n+kPHICH according to a value of IPHICH; and to receive the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource; wherein IPHICH is a parameter for determining the PHICH resource;
when mi is 3, the processor is configured: to determine IPHICH corresponding to the PUSCH transmitted in the special subframe n to be IPHICH=2, and to determine a PHICH resource, corresponding to the PUSCH, in the subframe n+kPHICH according to a value of IPHICH; and to receive the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource; wherein IPHICH is a parameter for determining the PHICH resource.

### Claim 9

A network-side device for transmitting feedback information of Physical Uplink Shared Channel, the network-side device comprising a processor, a transceiver, and a memory, wherein:
the processor is configured to read and execute program in the memory:
to receive a Physical Uplink Shared Channel (PUSCH) in a special subframe n through the transceiver, wherein n is a subframe index of the special subframe; and to transmit a Physical Hybrid Automatic Repeat Request (HARQ) Indicating Channel (PHICH) corresponding to the PUSCH in a subframe n+kPHICH through the transceiver, wherein the PHICH carries feedback information of the PUSCH, and kPHICH is a prescribed or preconfigured value to determine subframe n+kPHICH; and
the transceiver is configured to receive and transmit data under the control of the processor;
wherein:
for a TDD uplink-downlink configuration 0, when n is 1 or 6, then kPHICH is one of 4, 5, 9, and 10; or
for a TDD uplink-downlink configuration 1, when n is 1 or 6, then kPHICH is one of 3, 5, 8, 9, and 10; or
for a TDD uplink-downlink configuration 2, when n is 1 or 6, then kPHICH is one of 2, 3, 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 3, when n is 1, then kPHICH is one of 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 4, when n is 1, then kPHICH is one of 3, 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 5, when n is 1, then kPHICH is one of 2, 3, 4, 5, 7, 8, 9, and 10; or
for a TDD uplink-downlink configuration 6, when n is 1, then kPHICH is one of 4, 5, 8, 9, and 10; or
for a TDD uplink-downlink configuration 6, when n is 6, then kPHICH is one of 3, 4, 5, 9, and 10;
wherein the TDD uplink-downlink configuration is an uplink reference TDD uplink-downlink configuration, or a TDD uplink-downlink configuration configured in system information;
for the TDD uplink-downlink configuration 0, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 2 and scheme 4 below; for the TDD uplink-downlink configuration 1, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 2 and scheme 3 below; for the TDD uplink-downlink configuration 2-5, a number of PHICH groups in the subframe n+kPHICH determined by at least one of scheme 1 to scheme 3 below; for the TDD uplink-downlink configuration 6, a number of PHICH groups in the subframe n+k determined by at least one of scheme 2 or scheme 3 below;
wherein scheme 1:
for the TDD uplink-downlink configuration 1, when the subframe n+kPHICH is the subframe 0 and the subframe kPHICH is the subframe 9, or when the subframe n+kPHICH is the subframe 5 and the subframe kPHICH is the subframe 9, or for the TDD uplink-downlink configuration 2, when the subframe n+kPHICH is the subframe 0, 4, 5, or 9, or the subframe n+kPHICH is the subframe 1 and the subframe kPHICH is the subframe 10, or the subframe n+kPHICH is the subframe 6 and the subframe kPHICH is the subframe 10, or for the TDD uplink-downlink configuration 3, when the subframe n+kPHICH is the subframe 1, 5, or 6, or for the TDD uplink-downlink configuration 4, when the subframe n+kPHICH is the subframe 0, 1, 4, 5, or 6, or for the TDD uplink-downlink configuration 5, when the subframe n+kPHICH is the subframe 0, 1, 3, 4, 5, 6, or 9, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is 1;
wherein i is a subframe index of the subframe n+kPHICH, and NPHICHgroup is a number of PHICH groups determined according to a parameter configured in high-layer signaling;
scheme 2:
for the TDD uplink-downlink configuration 0, when kPHICH is 4, 5, 9, or 10, or for the TDD uplink-downlink configuration 1, when kPHICH is 3, 5, 8, or 10, or for the TDD uplink-downlink configuration 2, when kPHICH is 2 or 7, or for the TDD uplink-downlink configuration 3, when kPHICH is 7, 8, or 9, or for the TDD uplink-downlink configuration 4, when kPHICH is 7 or 8, or for the TDD uplink-downlink configuration 5, when kPHICH is 7, or for the TDD uplink-downlink configuration 6, when kPHICH is 3, 4, 5, 8, 9, or 10, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is a value defined in 3GPP TS 36.211;
wherein i is a subframe index of the subframe n+kPHICH, mi is a coefficient for determining the number of PHICH groups corresponding to a subframe i in a TDD system, and NPHICHgroup is a number of PHICH groups determined according to a parameter configured in high-layer signaling;
scheme 3:
for the TDD uplink-downlink configuration 1, when the subframe n+kPHICH is the subframe 1, 4, 6, or 9, or for the TDD uplink-downlink configuration 2, when the subframe n+kPHICH is the subframe 3 or 8, or for the TDD uplink-downlink configuration 3, when the subframe n+kPHICH is the subframe 0, 8, or 9, or for the TDD uplink-downlink configuration 4, when the subframe n+kPHICH is the subframe 8 or 9, or for the TDD uplink-downlink configuration 5, when the subframe n+kPHICH is the subframe 8, or for the TDD uplink-downlink configuration 6, when the subframe n+kPHICH is the subframe 0, 5, or 9, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is 2;
wherein i is a subframe index of the subframe n+kPHICH, and NPHICHgroup is a number of PHICH groups determined according to a parameter configured in high-layer signaling;
scheme 4:
for the TDD uplink-downlink configuration 0, when the subframe n+kPHICH is the subframe 0 or 5, then the subframe n+kPHICH comprises mi*NPHICHgroup groups of PHICHs, wherein mi is 3;
wherein i is a subframe index of the subframe n+kPHICH, and NPHICHgroup is a number of PHICH groups determined according to a parameter configured in high-layer signaling.

### Claim 10 (depends on 9)

The network-side device according to claim 9, wherein when mi is 1, the processor is configured: to determine IPHICH corresponding to the PUSCH transmitted in the special subframe n to be IPHICH=0, and to determine a PHICH resource, corresponding to the PUSCH, in the subframe n+kPHICH according to a value of IPHICH; and to transmit the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource; wherein IPHICH is a parameter for determining the PHICH resource;
when mi is a value defined in the 3GPP TS 36.211, the processor is configured: to determine a PHICH resource, corresponding to the PUSCH transmitted in the special subframe n, in the subframe n+kPHICH according to a lowest PRB index of the PUSCH transmitted in the special subframe n, DMRS cyclic shift information indicated in scheduling information of the PUSCH, and a prescribed or preconfigured value of IPHICH corresponding to the PUSCH transmitted in the special subframe n; and to transmit the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource; wherein the lowest PRB index of the PUSCH transmitted in the special subframe n is different from a lowest PRB index of a PUSCH transmitted in a corresponding uplink subframe for which the PHICH is transmitted according to the value of IPHICH in the subframe n+kPHICH, and/or the DMRS cyclic shift information indicated in the scheduling information of the PUSCH transmitted in the special subframe n is different from DMRS cyclic shift information indicated in scheduling information of a PUSCH transmitted in a corresponding uplink subframe for which the PHICH is received according to the value of IPHICH in the subframe n+kPHICH;
when mi is 2, the processor is configured: to determine IPHICH corresponding to the PUSCH transmitted in the special subframe n to be IPHICH=1, and to determine a PHICH resource, corresponding to the PUSCH, in the subframe n+kPHICH according to a value of IPHICH; and to transmit the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource; wherein IPHICH is a parameter for determining the PHICH resource;
when mi is 3, the processor is configured: to determine IPHICH=2 corresponding to the PUSCH transmitted in the special subframe n to be IPHICH=2, and to determine a PHICH resource, corresponding to the PUSCH, in the subframe n+kPHICH according to a value of IPHICH; and to transmit the PHICH corresponding to the PUSCH in the subframe n+kPHICH according to the determined PHICH resource; wherein IPHICH is a parameter for determining the PHICH resource.