[1] Hu Jing, Shen LianfengSong Tiecheng,. QoS-based MAC protocol for cognitive radio networks [J]. Journal of Southeast University (English Edition), 2012, 28 (4): 375-379. [doi:10.3969/j.issn.1003-7985.2012.04.001]

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

28

Issue:

2012 4

Page:

375-379

Research Field:

Information and Communication Engineering

Publishing date:

2012-12-30

Info

Title:

QoS-based MAC protocol for cognitive radio networks

Author(s):

Hu Jing;  Shen LianfengSong Tiecheng

National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China

Keywords:

quality of service(QoS);  cognitive radio;  media access control(MAC);  channel map;  Markov chain

PACS:

TN92

DOI:

10.3969/j.issn.1003-7985.2012.04.001

Abstract:

In order to improve the throughput performance of the secondary users(SUs)in the cognitive radio(CR)environment, a quality of service(QoS)based media access control(MAC)protocol is proposed. In this protocol, the CR node maps the channel state as a vector, and the transmitter and the receiver obtain the final channel map through an AND operation to prepare for an optional channel set. Data from the upper application layer are classified into two priority levels according to the QoS requirement. The data of each level relate to different contention windows so that the priority of real time data can be guaranteed. A two-dimensional discrete-time Markov chain is utilized to evaluate the system performance, and mathematical expressions of the system throughput are derived. Simulation results show that compared with the IEEE 802.11 distributed coordination function(DCF), the proposed MAC protocol can achieve higher throughput.

References:

[1] Federal Communications Commission(FCC). Spectrum policy task force report, ET Docket No.02-135 [R]. Washington DC, USA: FCC, 2002.
[2] Cormio C, Chowdhury K R. A survey on MAC protocols for cognitive radio networks[J]. Ad Hoc Networks, 2009, 7(7):15-1329.
[3] Lien S-Y, Tseng C-C, Chen K-C. Carrier sensing based multiple access protocols for cognitive radio networks[C]//IEEE International Conference on Communications(ICC). Beijing, China, 2008:3208-3214.
[4] Stevenson C, Chouinard G, Lei Z D, et al. IEEE 802.22: the first cognitive radio wireless regional area network standard [J]. IEEE Communications Magazine, 2009, 47(1): 130-138.
[5] Nan H, Hyon T-I, Yoo S-J. Distributed coordinated spectrum sharing MAC protocol for cognitive radio[C]//IEEE DySPAN 2007. Chicago, USA, 2007:240-249.
[6] Kondareddy Y R, Agrawal P. Synchronized MAC protocol for multi-hop cognitive radio networks[C]//IEEE International Conference on Communications(ICC). Beijing, China, 2008:3198-3202.
[7] Zhao Cuina, Hu Jing, Shen Lianfeng. A MAC protocol of cognitive networks based on IEEE 802.11 [C]//12th IEEE International Conference on Communication Technology(ICCT). Nanjing, China, 2010: 1133-1136.
[8] IEEE 802.11 Working Group. 802.11—97 IEEE standard for wireless LAN medium access control(MAC)and physical layer(PHY)specifications[S]. IEEE Computer Society, 1997.
[9] Ghaboosi K, Khalaj B H, Yang Xiao, et al. Modeling IEEE 802.11 DCF using parallel space-time Markov chain [J]. IEEE Transactions on Vehicular Technology, 2008, 57(4): 2404-2413.

Memo

Memo:

Biography: Hu Jing(1975—), female, doctor, associate professor, louy@seu.edu.cn.
Foundation items: The National Science and Technology Major Project(No.2010ZX03006-002-01), the National Basic Research Program of China(973 Program)(No.2011CB302905), the Science and Technology Support Program of Jiangsu Province(No.BE2011177)
Citation: Hu Jing, Shen Lianfeng, Song Tiecheng.QoS-based MAC protocol for cognitive radio networks[J]. Journal of Southeast University(English Edition), 2012, 28(4):375-379.[doi:10.3969/j.issn.1003-7985.2012.04.001]

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