A power allocation algorithm to maximize capacity in a full-duplex multi-carrier system

Cheng Feng, Chang Liu, Yongchao Xin, Meng Ma, Bingli Jiao

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In a single channel full duplex (FD) wireless communication system, two nodes exchange information with each other in the same frequency band simultaneously, and thus, the receiver would suffer from large self-interference, which is caused by its own transmitter. Although recent results show that the self-interference can be cancelled up to 70 dB, the self-interference has still been seen as the bottleneck in the FD system. In this paper, a power allocation scheme using an iterative water-filling algorithm is proposed for the FD system, in order to achieve both the channel fading conditions match and large self-interference avoidance. Simulation results show that the water-filling scheme dramatically improves the capacity of the FD system, and the FD system can outperform the HD system even when the interference cancellation capability is limited.

Original languageEnglish
Title of host publication2015 24th Wireless and Optical Communication Conference, WOCC 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages128-132
Number of pages5
ISBN (Electronic)9781479988549
DOIs
StatePublished - 2 Dec 2015
Externally publishedYes
Event24th Wireless and Optical Communication Conference, WOCC 2015 - Taipei, Taiwan, Province of China
Duration: 23 Oct 201524 Oct 2015

Publication series

Name2015 24th Wireless and Optical Communication Conference, WOCC 2015

Conference

Conference24th Wireless and Optical Communication Conference, WOCC 2015
Country/TerritoryTaiwan, Province of China
CityTaipei
Period23/10/1524/10/15

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