Open Access

Joint MIMO-OFDM and MAC Design for Broadband Multihop Ad Hoc Networks

EURASIP Journal on Wireless Communications and Networking20062006:060585

DOI: 10.1155/WCN/2006/60585

Received: 1 November 2005

Accepted: 13 June 2006

Published: 27 July 2006

Abstract

Multiple-input multiple-output (MIMO) and orthogonal frequency division multiplexing (OFDM) are very promising techniques to exploit spatial diversity and frequency diversity in the physical layer of broadband wireless communications. However, the application of these techniques to broadband multihop ad hoc networks is subject to inefficiencies since existing medium access control (MAC) schemes are designed to allow only one node to transmit in a neighborhood. Therefore, adding more relays to increase the transmission range decreases the throughput. With MIMO-OFDM, multiple transmissions can coexist in the same neighborhood. A new transceiver architecture with MIMO-OFDM and MAC scheme is proposed in this paper. The new MAC scheme multiple-antennas receiver-initiated busy-tone medium access (MARI-BTMA) is based on receiver-initiated busy-tone medium access (RI-BTMA) and uses multiple out of band busy tones to avoid the collision of nodes on the same channel. With the proposed MAC scheme, multiple users can transmit simultaneously in the same neighborhood. Although basic MARI-BTMA shows good performance at high traffic load, to improve the performance at low traffic loads, 1-persistent MARI-BTMA is proposed so that users can choose different MAC scheme according to the statistical traffic load in the system. In this paper, both theoretical and numerical analysis of the throughput and delay are presented. Analysis and simulation results show the improved performance of MARI-BTMA compared with RI-BTMA and carrier sensing medium access/collision avoidance (CSMA/CA).

[12345678910111213141516171819]

Authors’ Affiliations

(1)
Electrical and Computer Engineering Department, Stevens Institute of Technology

References

  1. Tarokh V, Jafarkhani H, Calderbank AR: Space-time block codes from orthogonal designs. IEEE Transactions on Information Theory 1999,45(5):1456-1467. 10.1109/18.771146MathSciNetView ArticleMATHGoogle Scholar
  2. Golden GD, Foschini CJ, Valenzuela RA, Wolniansky PW: Detection algorithm and initial laboratory results using V-BLAST space-time communication architecture. Electronics Letters 1999,35(1):14-16. 10.1049/el:19990058View ArticleGoogle Scholar
  3. Ha J, Mody AN, Sung JH, Barry JR, McLaughlin SW, Stüber GL: LDPC coded OFDM with alamouti/SVD diversity technique. Wireless Personal Communications 2002,23(1):183-194. 10.1023/A:1020965726887View ArticleGoogle Scholar
  4. Goldsmith A, Jafar SA, Jindal N, Vishwanath S: Capacity limits of MIMO channels. IEEE Journal on Selected Areas in Communications 2003,21(5):684-702. 10.1109/JSAC.2003.810294View ArticleMATHGoogle Scholar
  5. Vishwanath S, Jindal N, Goldsmith A: On the capacity of multiple input multiple output broadcast channels. IEEE International Conference on Communications (ICC '02), April-May 2002, New York, NY, USA 3(3):1444-1450.View ArticleGoogle Scholar
  6. IEEE Standard for Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications November 1997. P802.11
  7. Yang H: A road to future broadband wireless access: MIMO-OFDM-based air interface. IEEE Communications Magazine 2005,43(1):53-60.View ArticleGoogle Scholar
  8. Li Y, Winters JH, Sollenberger NR: Signal detection for MIMO-OFDM wireless communications. IEEE International Conference on Communications (ICC '01), June 2001, Helsinki, Finland 10: 3077-3081.Google Scholar
  9. Blum RS, Li Y, Winters JH, Yan Q: Improved space-time coding for MIMO-OFDM wireless communications. IEEE Transactions on Communications 2001,49(11):1873-1878. 10.1109/26.966049View ArticleGoogle Scholar
  10. Stamoulis A, Diggavi SN, Al-Dhahir N: Intercarrier interference in MIMO OFDM. IEEE Transactions on Signal Processing 2002,50(10):2451-2464. 10.1109/TSP.2002.803347View ArticleGoogle Scholar
  11. Wu C, Li VOK: Receiver-initiated busy-tone multiple access in packet radio networks. Proceedings of the ACM Workshop on Frontiers in Computer Communications Technology (SIGCOMM '87), August 1987, Stowe, Vt, USA 336-342.Google Scholar
  12. Haas ZJ, Deng J: Dual busy tone multiple access (DBTMA) - a multiple access control scheme for ad hoc networks. IEEE Transactions on Communications 2002,50(6):975-985. 10.1109/TCOMM.2002.1010617View ArticleGoogle Scholar
  13. Bianchi G: Performance analysis of the IEEE 802.11 distributed coordination function. IEEE Journal on Selected Areas in Communications 2000,18(3):535-547. 10.1109/49.840210View ArticleGoogle Scholar
  14. Rom R, Sidi M: Multiple Access Protocols Performance and Analysis. Springer, New York, NY, USA; 1990.View ArticleMATHGoogle Scholar
  15. Zhao Q, Tong L: A multiqueue service room MAC protocol for wireless networks with multipacket reception. IEEE/ACM Transactions on Networking 2003,11(1):125-137. 10.1109/TNET.2002.808403View ArticleGoogle Scholar
  16. Sundaresan K, Sivakumar R, Ingram MA, Chang T-Y: Medium access control in ad hoc networks with MIMO links: optimization considerations and algorithms. IEEE Transactions on Mobile Computing 2004,3(4):350-365. 10.1109/TMC.2004.42View ArticleGoogle Scholar
  17. Tang T, Park M, Heath RW Jr., Nettles SM: A joint MIMO-OFDM transceiver and MAC design for mobile ad hoc networking. International Workshop on Wireless Ad-Hoc Networks (IWWAN '04), May-June 2004, Oulu, Finland 315-319.Google Scholar
  18. Kleinrock L, Tobagi FA: Packet switching in radio channels - 1. Carrier sense multiple-access modes and their throughput-delay characteristics. IEEE Transactions on Communications 1975,23(12):1400-1416. 10.1109/TCOM.1975.1092768View ArticleMATHGoogle Scholar
  19. Tobagi FA, Kleinrock L: Packet switching in radio channels - 2. The hidden terminal problem in carrier sense multiple-access and the busy-tone solution. IEEE Transactions on Communications 1975,23(12):1417-1433. 10.1109/TCOM.1975.1092767View ArticleMATHGoogle Scholar

Copyright

© D.Wang and U. Tureli 2006

This article is published under license to BioMed Central Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.