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.