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A cyclic odd bit inversion code mapping and modulation scheme for the IEEE 802.15.4b 868 MHz band

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4 Author(s)
Singh, M. ; Inst. for Infocomm Res., Singapore ; Zhongding Lei ; Chin, F. ; Kwok, Y.S.

We detail a cyclic odd bit inversion length 16 (COBI-16) code mapping and modulation scheme designed especially for devices in the enhanced wireless personal area networks (WPAN) operating in the 868 MHz for the emerging IEEE 802.15.4b standard. This COBI-16 scheme has been accepted and incorporated in the draft IEEE 802.15.4b standard. This carefully designed coding and modulation scheme meets all the following three essential criteria: (a) no spikes in the frequency spectrum, (b) low complexity correlation operations and (c) simple frequency offset and DC compensation operations. The transmitted signal meets all the IEEE standard's stringent PSD mask requirements. The system is tested in both AWGN and Rayleigh fading (flat and frequency selective) channels. Both coherent and non-coherent demodulations are investigated. Also investigated are the synchronous false alarm rate and synchronous miss rate in the AWGN channel

Published in:

Wireless Communications and Networking Conference, 2006. WCNC 2006. IEEE  (Volume:4 )

Date of Conference:

3-6 April 2006