Exploiting multiuser diversity in OFDMA wireless mesh networks by fractional spatial reuse

Jie Xu, Yiqun Wu, Zhisheng Niu, Jinri Huang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

We consider subcarrier assignment and power allocation in OFDMA wireless mesh networks. Traditional full spatial reuse increases bandwidth efficiency but ignores multiuser diversity in the multi-hop network. Our method enables fractional spatial reuse with which multiuser diversity can also be exploited. The original optimization problem is decomposed into three tractable subproblems. First, subcarrier numbers on each link are decided according to end-to-end requirement and node power constraint. Then a novel link grouping method is proposed to utilize fractional spatial reuse in the network. Finally, a tabubased subcarrier assignment algorithms is designed to assign subcarriers to groups to exploit multiuser diversity. Performance is evaluated under various network sizes to investigate the impact of spatial reuse and simulation results show our proposed scheme achieves multiuser diversity in spatial reuse scenarios.

Original languageEnglish (US)
Title of host publicationIEEE International Conference on Communications
DOIs
StatePublished - 2010
Externally publishedYes
Event2010 IEEE International Conference on Communications, ICC 2010 - Cape Town, South Africa
Duration: May 23 2010May 27 2010

Other

Other2010 IEEE International Conference on Communications, ICC 2010
CountrySouth Africa
CityCape Town
Period5/23/105/27/10

Fingerprint

Wireless mesh networks (WMN)
Bandwidth

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

Xu, J., Wu, Y., Niu, Z., & Huang, J. (2010). Exploiting multiuser diversity in OFDMA wireless mesh networks by fractional spatial reuse. In IEEE International Conference on Communications [5502324] https://doi.org/10.1109/ICC.2010.5502324

Exploiting multiuser diversity in OFDMA wireless mesh networks by fractional spatial reuse. / Xu, Jie; Wu, Yiqun; Niu, Zhisheng; Huang, Jinri.

IEEE International Conference on Communications. 2010. 5502324.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Xu, J, Wu, Y, Niu, Z & Huang, J 2010, Exploiting multiuser diversity in OFDMA wireless mesh networks by fractional spatial reuse. in IEEE International Conference on Communications., 5502324, 2010 IEEE International Conference on Communications, ICC 2010, Cape Town, South Africa, 5/23/10. https://doi.org/10.1109/ICC.2010.5502324
Xu J, Wu Y, Niu Z, Huang J. Exploiting multiuser diversity in OFDMA wireless mesh networks by fractional spatial reuse. In IEEE International Conference on Communications. 2010. 5502324 https://doi.org/10.1109/ICC.2010.5502324
Xu, Jie ; Wu, Yiqun ; Niu, Zhisheng ; Huang, Jinri. / Exploiting multiuser diversity in OFDMA wireless mesh networks by fractional spatial reuse. IEEE International Conference on Communications. 2010.
@inproceedings{93884ac25ee94c898d4ba6c771f1d256,
title = "Exploiting multiuser diversity in OFDMA wireless mesh networks by fractional spatial reuse",
abstract = "We consider subcarrier assignment and power allocation in OFDMA wireless mesh networks. Traditional full spatial reuse increases bandwidth efficiency but ignores multiuser diversity in the multi-hop network. Our method enables fractional spatial reuse with which multiuser diversity can also be exploited. The original optimization problem is decomposed into three tractable subproblems. First, subcarrier numbers on each link are decided according to end-to-end requirement and node power constraint. Then a novel link grouping method is proposed to utilize fractional spatial reuse in the network. Finally, a tabubased subcarrier assignment algorithms is designed to assign subcarriers to groups to exploit multiuser diversity. Performance is evaluated under various network sizes to investigate the impact of spatial reuse and simulation results show our proposed scheme achieves multiuser diversity in spatial reuse scenarios.",
author = "Jie Xu and Yiqun Wu and Zhisheng Niu and Jinri Huang",
year = "2010",
doi = "10.1109/ICC.2010.5502324",
language = "English (US)",
isbn = "9781424464043",
booktitle = "IEEE International Conference on Communications",

}

TY - GEN

T1 - Exploiting multiuser diversity in OFDMA wireless mesh networks by fractional spatial reuse

AU - Xu, Jie

AU - Wu, Yiqun

AU - Niu, Zhisheng

AU - Huang, Jinri

PY - 2010

Y1 - 2010

N2 - We consider subcarrier assignment and power allocation in OFDMA wireless mesh networks. Traditional full spatial reuse increases bandwidth efficiency but ignores multiuser diversity in the multi-hop network. Our method enables fractional spatial reuse with which multiuser diversity can also be exploited. The original optimization problem is decomposed into three tractable subproblems. First, subcarrier numbers on each link are decided according to end-to-end requirement and node power constraint. Then a novel link grouping method is proposed to utilize fractional spatial reuse in the network. Finally, a tabubased subcarrier assignment algorithms is designed to assign subcarriers to groups to exploit multiuser diversity. Performance is evaluated under various network sizes to investigate the impact of spatial reuse and simulation results show our proposed scheme achieves multiuser diversity in spatial reuse scenarios.

AB - We consider subcarrier assignment and power allocation in OFDMA wireless mesh networks. Traditional full spatial reuse increases bandwidth efficiency but ignores multiuser diversity in the multi-hop network. Our method enables fractional spatial reuse with which multiuser diversity can also be exploited. The original optimization problem is decomposed into three tractable subproblems. First, subcarrier numbers on each link are decided according to end-to-end requirement and node power constraint. Then a novel link grouping method is proposed to utilize fractional spatial reuse in the network. Finally, a tabubased subcarrier assignment algorithms is designed to assign subcarriers to groups to exploit multiuser diversity. Performance is evaluated under various network sizes to investigate the impact of spatial reuse and simulation results show our proposed scheme achieves multiuser diversity in spatial reuse scenarios.

UR - http://www.scopus.com/inward/record.url?scp=77955362432&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=77955362432&partnerID=8YFLogxK

U2 - 10.1109/ICC.2010.5502324

DO - 10.1109/ICC.2010.5502324

M3 - Conference contribution

SN - 9781424464043

BT - IEEE International Conference on Communications

ER -