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An adaptive frequency and time hopping PPM UWB for multiple access communication

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Title An adaptive frequency and time hopping PPM UWB for multiple access communication
 
Creator BIRADAR, GS
MERCHANT, SN
DESAI, UB
 
Subject computer networks
gaussian noise (electronic)
signal processing
telecommunication systems
modulation
 
Description 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.
 
Publisher IEEE
 
Date 2008-12-23T06:45:27Z
2011-11-28T05:11:21Z
2011-12-15T09:56:39Z
2008-12-23T06:45:27Z
2011-11-28T05:11:21Z
2011-12-15T09:56:39Z
2007
 
Type Article
 
Identifier Proceedings of the 6th International Conference on Information, Communications & Signal Processing, Singapore, 10-13 December 2007, 1-5
978-1-4244-0983-9
10.1109/ICICS.2007.4449656
http://hdl.handle.net/10054/473
http://dspace.library.iitb.ac.in/xmlui/handle/10054/473
 
Language en