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Patent Searching and Data


Title:
INFORMATION TRANSMISSION METHOD AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2018/228228
Kind Code:
A9
Abstract:
Provided in embodiments of the present invention are a data transmission method and an apparatus, a terminal device being capable of receiving precoding indicator information, said precoding indicator information comprising a number K of first indicators and one second indicator; the terminal device determining K first precoding matrices according to the K first indicators, and determining a second precoding matrix according to the second indicator, K being a positive integer; the terminal device using the K first precoding matrices to precode data sent on K first frequency bands, obtaining precoded first data, and using the second precoding matrix to precode data sent on a second frequency band, obtaining precoded second data, the K first frequency bands being in a partial band of a physical uplink shared channel (PUSCH) scheduling frequency band; the second frequency band being the entirety of the PUSCH scheduling frequency band which is not part of the K first frequency bands. The present embodiment decreases signaling overhead used to notify a precoding matrix.

Inventors:
LIU XIANDA (CN)
LIU KUNPENG (CN)
Application Number:
PCT/CN2018/089665
Publication Date:
August 22, 2019
Filing Date:
June 01, 2018
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04L5/00
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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