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Title: An adaptive frequency and time hopping PPM UWB for multiple access communication
Authors: BIRADAR, GS
Keywords: Computer Networks
Gaussian Noise (Electronic)
Signal Processing
Telecommunication Systems
Issue Date: 2007
Publisher: IEEE
Citation: Proceedings of the 6th International Conference on Information, Communications & Signal Processing, Singapore, 10-13 December 2007, 1-5
Abstract: Typical ultra wide band (UWB) systems are built to meet quality of service (QoS) constraints under multiple access environment. We propose a UWB physical layer that adapts its number of frequency and time hops to efficiently meet QoS requirements. The proposed adaptive UWB uses side information to know the current QoS and adjusts its number of frequency and time hops accordingly. The system employs adaptive frequency and time hopping pulse position modulation (AFTH-PPM). We have derived an expression for the bit error probability for single user and multiple user synchronous transmitter case under additive white Gaussian noise (AWGN). The bit error rate (BER) performance is evaluated under AWGN with multiple access communication.
URI: 10.1109/ICICS.2007.4449656
ISBN: 978-1-4244-0983-9
Appears in Collections:Proceedings papers

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