METHOD AND ACCESS POINT OF DETERMINING GUARD PERIOD FOR DOWNLINK-TO-UPLINK SWITCHING

Title:

METHOD AND ACCESS POINT OF DETERMINING GUARD PERIOD FOR DOWNLINK-TO-UPLINK SWITCHING

Document Type and Number:

WIPO Patent Application WO/2016/179777

Kind Code:

A1

Abstract:

The embodiments disclose a method of determining guard period for downlink-to-uplink switching in an access point of a time division duplex radio communication network. For each of a plurality of terminal devices served by the access point, the method comprising obtaining measurement information on uplink transmission delay of the terminal device due to the downlink-to-uplink switching and propagation delay; determining a time length of a guard period with respect to the terminal device based on the measurement information; assigning a time period scheduled for transmitting a uplink subframe with the time length as the guard period with respect to the terminal device; and informing the terminal device of the assignment.

Inventors:

WANG JIANFENG (CN)
ZHU HUAISONG (CN)
LI SHAOHUA (CN)

Application Number:

PCT/CN2015/078655

Publication Date:

November 17, 2016

Filing Date:

May 11, 2015

Export Citation:

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Assignee:

ERICSSON TELEFON AB L M (PUBL) (SE)
WANG JIANFENG (CN)

International Classes:

H04L7/00

Domestic Patent References:

WO2014108947A1

2014-07-17

Foreign References:

US20090046604A1	2009-02-19
US20100111224A1	2010-05-06
CN101895326A	2010-11-24
US20090046604A1	2009-02-19

Other References: