• Journal of Internet Computing and Services
    ISSN 2287 - 1136 (Online) / ISSN 1598 - 0170 (Print)
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A Study on Performance Improvement of High- Rate WPAN using Hybrid MAC


Sung-Hyun Park, Seung-Hyong Rhee, Journal of Internet Computing and Services, Vol. 10, No. 4, pp. 213-222, Aug. 2009
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Keywords: IEEE 802.15.3 WPAN, Hybrid MAC, CSMA/CA, TDMA

Abstract

IEEE 802.15.3 HR-WPAN is designed to enable wireless connectivity of high-speed, low-power, low-cost multimedia-capable portable consumer electronic devices. For quality of service, the standard specifies the use of TDMA (Time Division Multiple Access). However, during low contention TDMA gives much lower channel utilization and higher delays than CSMA (Carrier Sensing Multiple Access) because in TDMA, a node can transmit only during its scheduled time slots whereas in CSMA, nodes can transmit at any time as long as there is no contention. By mixing CSMA and TDMA, Hybrid MAC becomes more robust to timing failures, time-varying channel conditions, slot assignment failures and topology changes than a stand-alone TDMA.


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Cite this article
[APA Style]
Park, S. & Rhee, S. (2009). A Study on Performance Improvement of High- Rate WPAN using Hybrid MAC. Journal of Internet Computing and Services, 10(4), 213-222.

[IEEE Style]
S. Park and S. Rhee, "A Study on Performance Improvement of High- Rate WPAN using Hybrid MAC," Journal of Internet Computing and Services, vol. 10, no. 4, pp. 213-222, 2009.

[ACM Style]
Sung-Hyun Park and Seung-Hyong Rhee. 2009. A Study on Performance Improvement of High- Rate WPAN using Hybrid MAC. Journal of Internet Computing and Services, 10, 4, (2009), 213-222.