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Modulation and Code Mapping Scheme for High Rate Transmission for IEEE 802.15.4b in AWGN Channels

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4 Author(s)
Singh, M. ; Institute for Infocomm Research, 21 Heng Mui Keng Terrace, Singapore 119613. Email: singhm@i2r.a-star.edu.sg, Fax: (65) 6774 4990 Tel: (65) 6874 5684 ; Zhongding Lei ; Chin, F. ; Kwok, Y.S.

IEEE 802.15.4b is an enhanced standard to the IEEE 802.15.4, addressing the needs for high-data rate transmission using 868 or 915MHz band in the wireless personal area networks. This paper details a modulation and code mapping scheme designed specifically for the standard's high rate transmission schemes operating in the 868MHz and 915MHz bands; which leads to efficient transmission and low implementation complexity. The code mapping scheme is called Quadrature Cyclic Odd Bit Inversion length 16 or Quad COBI-16. Among the scheme's desirable properties is that the total phase rotation in the I/Q plane accumulates to 0 degree over the complete symbol. The scheme is tested in both AWGN and Rayleigh frequency selective fading channels. The results show that it conforms to all the stringent requirements defined by the standard.

Published in:

Military Communications Conference, 2007. MILCOM 2007. IEEE

Date of Conference:

29-31 Oct. 2007