A complementary code-CDMA-based MAC protocol for UWB WPAN system

Authors:
Jiang Zhu;Abraham O. Fapojuwo
Affiliations:
Department of Electrical and Computer Engineering, University of Calgary, Calgary, AB, Canada T2N 1N4;Department of Electrical and Computer Engineering, University of Calgary, Calgary, AB, Canada T2N 1N4
Venue:
EURASIP Journal on Wireless Communications and Networking - Special issue on advanced signal processing algorithms for wireless communications
Year:
2005

Citing 2
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Abstract

We propose a new multiple access control (MAC) protocol based on complementary code-code division multiple access (CC-CDMA) technology to resolve collisions among access-request packets in an ultra-wideband wireless personal area network (UWB WPAN) system. We design a new access-request packet to gain higher bandwidth utilization and ease the requirement on system timing. The new MAC protocol is energy efficient and fully utilizes the specific features of a UWB WPAN system, thus the issue of complexity caused by the adoption of CDMA technology is resolved. The performance is analyzed with the consideration of signal detection error. Analytical and simulation results show that the proposed CC-CDMA-based MAC protocol exhibits higher throughput and lower average packet delay than those displayed by carrier sense multiple access with collision avoidance (CSMA/CA) protocol.