US 9,813,923 B2
Duplex mode adaptive method and apparatus
Hongli Jiang, Chengdu (CN); Huaping Qing, Chengdu (CN); Ping Cao, Chengdu (CN); Qiao Liu, Beijing (CN); and Yu Liu, Chengdu (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen, Guangdong (CN)
Filed on Feb. 26, 2016, as Appl. No. 15/54,562.
Application 15/054,562 is a continuation of application No. PCT/CN2013/082359, filed on Aug. 27, 2013.
Prior Publication US 2016/0183105 A1, Jun. 23, 2016
Int. Cl. H04L 15/16 (2006.01); H04W 24/02 (2009.01); H04L 5/14 (2006.01); H04L 1/20 (2006.01); H04W 72/04 (2009.01); H04W 72/08 (2009.01); H04L 1/00 (2006.01)
CPC H04W 24/02 (2013.01) [H04L 1/20 (2013.01); H04L 5/143 (2013.01); H04L 5/1469 (2013.01); H04W 72/0473 (2013.01); H04W 72/082 (2013.01); H04W 72/085 (2013.01); H04L 1/0003 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A duplex mode adaptive method, comprising:
obtaining a modulation mode configuration table, self-interference isolation, and information about a transmitted signal and information about a received signal of a wireless communications apparatus;
calculating signal quality of a current duplex mode according to the current duplex mode, the self-interference isolation, and the information about the transmitted signal and the information about the received signal;
predicting signal quality of a non-current duplex mode according to the non-current duplex mode, the self-interference isolation, and the information about the transmitted signal and the information about the received signal;
querying the modulation mode configuration table according to the signal quality of the current duplex mode and the signal quality of the non-current duplex mode, to obtain a maximum modulation mode of the current duplex mode and a maximum modulation mode of the non-current duplex mode;
calculating maximum spectral efficiency of the current duplex mode according to the maximum modulation mode of the current duplex mode, and calculating maximum spectral efficiency of the non-current duplex mode according to the maximum modulation mode of the non-current duplex mode;
comparing the maximum spectral efficiency of the current duplex mode with the maximum spectral efficiency of the non-current duplex mode, and selecting a duplex mode whose spectral efficiency is greater as a next-step duplex mode; and
switching a duplex mode of the wireless communications apparatus to the next-step duplex mode.