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Title:
METHOD FOR TRANSCEIVING SIGNAL BASED ON FRAME STRUCTURE, AND ACCESS NETWORK DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/177030
Kind Code:
A1
Abstract:
A method for transceiving a signal based on a frame structure, and an access network device. The method is applied to a first antenna device and a second antenna device, wherein a first cell covered by the first antenna device and a second cell covered by the second antenna device are of the same frequency; and the frame structure comprises a first frame structure, wherein the first frame structure comprises at least two first downlink time units. The method comprises: the first antenna device receiving a first detection signal sent by the second antenna device within the two first downlink time units; then obtaining a first channel matrix according to the first detection signal; and performing zero-forcing pre-processing on a signal to be sent to a terminal device of the first cell according to a zero o'clock direction of the first cell relative to the second cell indicated by the first channel matrix; and sending the zero-forcing pre-processed signal to the terminal device of the first cell. By means of the present solution, the problem of mutual interference between cells of the same frequency when uplink and downlink transmission are carried out at the same time can be solved.

Inventors:
XU BIN (CN)
Application Number:
PCT/CN2018/075381
Publication Date:
October 04, 2018
Filing Date:
February 06, 2018
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04J11/00
Domestic Patent References:
WO2010105683A12010-09-23
Foreign References:
CN103731385A2014-04-16
CN1956342A2007-05-02
CN105307210A2016-02-03
CN106470063A2017-03-01
Other References:
CATT: "Downlink system level evaluation results for OFDMA TDD with inter-ce- 11 interference mitigation, R1-051176", 3GPP TSG RAN WG1#42BIS, 14 October 2005 (2005-10-14), XP050100782
Attorney, Agent or Firm:
SHENPAT INTELLECTUAL PROPERTY AGENCY (CN)
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