Uplink data transmitting and receiving method and equipment in time division duplex system
A data transmission method and time-division duplex technology, which are applied in the direction of preventing/detecting errors through diversity reception, transmission systems, digital transmission systems, etc., and can solve problems such as damaged uplink coverage, inability to support TTIbundling, and limited coverage.
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Embodiment 1
[0082] Embodiment 1: configure 0 for TDD uplink and downlink;
Embodiment 11
[0083] Embodiment 1.1: Distributed (that is, N uplink subframes are N non-contiguous uplink subframes);
[0084] N=6, its transmission pattern is as follows Figure 6A shown.
[0085] Base station side:
[0086] Step 1: The base station receives the RV0-RV2-RV3-RV1-RV0- RV2.
[0087] Step 2: The base station sends PHICH information (ie ACK / NACK indication) on the 6th subframe in the radio frame n+2;
[0088] Further, the base station can also send PDCCH DCI format0 (ie UL grant signaling) on the 6th subframe in the radio frame n+2, where the LSB is set to 1 or 1 PHICH =1; or, the base station sends the PDCCH DCI format0 on the 7th subframe in the radio frame n+2, where the MSB is set to 1 or 1 PHICH =0; the base station can also use high-level signaling to semi-persistently schedule uplink data.
[0089]Step 3: The base station receives the RV0-RV2-RV3-RV1- RV0-RV2 or RV3-RV1-RV0-RV2-RV3-RV1, or RV0-RV2-RV3-RV1-RV0-RV2 for new TB.
[0090] Terminal side:
[0091] St...
Embodiment 21
[0095] Embodiment 2.1: Centralized (that is, N uplink subframes are N consecutive uplink subframes);
[0096] N=6, its transmission pattern is as follows Figure 6A shown.
[0097] Base station side:
[0098] Step 1: The base station receives RV0-RV2-RV3-RV1-RV0-RV2 of the same TB on the 3rd, 4th, 5th, 8th, 9th, and 10th uplink subframes in the radio frame n.
[0099] Step 2: The base station sends PHICH information on the 6th subframe in the radio frame n+1;
[0100] Further, the base station can also send the PDCCH DCI format0 on the 6th subframe in the radio frame n+2, in which the LSB is set to 1 or 1 PHICH =1; or send PDCCH DCI format0 on the 7th subframe in radio frame n+2, where the MSB is set to 1 or 1 PHICH =0; the base station can also use high-level signaling to semi-persistently schedule uplink data.
[0101] Step 3: The base station receives the RV0-RV2-RV3-RV1-RV0-RV2 or RV3-RV1- RV0-RV2-RV3-RV1, or RV0-RV2-RV3-RV1-RV0-RV2 for new TB.
[0102] Terminal sid...
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