Terminal uplink/downlink HARQ (Hybrid Automatic Repeat Request) feedback information dispatching method and device

An information scheduling and terminal technology, applied in the field of communication, can solve the problems of resource consumption and high complexity of ACK/NACK scheduling, and achieve the effect of saving resources
CN102104469AActive Publication Date: 2011-06-22SANECHIPS TECH CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
SANECHIPS TECH CO LTD
Publication Date
2011-06-22

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Abstract

The invention provides a terminal uplink / downlink HARQ (Hybrid Automatic Repeat Request) ACK / NACK (Acknowledgement / Negative Acknowledgement) information dispatching method and device. The uplink information dispatching method comprises the following step: a terminal confirms a subframe number of a subframe of the current ACK / NACK to be received, carries out database access control on a subframe database by adopting the subframe number as an index, obtains ACK / NACK information corresponding to the subframe number and dispatches the following PUSCH (Physical Uplink Shared Channel) new transmission or retransmission according to obtained information. The downlink information dispatching method comprises the following step: the terminal receives and decodes a TB (Transmission Block), generates ACK / NACK information, confirms the subframe number of the subframe of the received ACK / NACK information, carries out database access control on the subframe database by adopting the subframe number as the index and dispatches PUCCH (Physical Uplink Control Channel) / PUSCH to carry out ACK / NACK feedback according to the generated ACK / NACK information. By adopting the invention, the problems of complex ACK / NACK dispatching realization and resource waste by TD-LTE (Time Division-Long Term Evolution) terminal equipment can be solved.
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Description

technical field

[0001] The present invention relates to the communication field, in particular to a terminal uplink / downlink HARQ ACK / NACK information scheduling method and device. Background technique

[0002] The radio frame structure of the 3GPP Long Term Evolution (LTE) system includes two different standards: Frequency Division Duplex (Frequency Division Duplex, FDD) mode and Time Division Duplex (Time Division Duplex, TDD) mode. The Time Division-Long Term Evolution TD-LTE (Time Division-Long Term Evolution) system defines seven different uplink / downlink subframe configuration methods, as shown in Attached Table 1.

[0003] Table 1 TD-LTE system uplink / downlink subframe configuration mode

[0004]

[0005] Hybrid Automatic Repeat reQuest (HARQ) combined with forward error correction (Front Error Correct, FEC) and automatic repeat reQuest (Automatic Repeat reQuest, ARQ) mechanism, is a kind of used in LTE system to improve An error control scheme for data transmiss...

Claims

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