Study of Ultra Wide Band Radio System Capacity

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Helsinki University of Technology | Diplomityö
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Date

2003

Department

Sähkö- ja tietoliikennetekniikan osasto

Major/Subject

Tietoliikennetekniikka

Mcode

S-72

Degree programme

Language

en

Pages

vii + 56 s. + liitt. 5

Series

Abstract

Ultra Wide Band (UWB) system is studied as one of the advanced technology in wireless communications, with the potential to achieve very high capacities for data transmission. In this master thesis, an introduction of UWB system and a simple simulation are presented. Simulation result analysis will help to understand the performance of UWB system. We investigate the capacity analysis of UWB system by theory and ray-tracing simulations. The capacity of UWB system in a realistic propagation environment is demonstrated by using Radio Propagation Simulator (RPS). RPS is used to generate the channel impulse response for UWB system which operating at 2G Hz in indoor environment. We study the effects of multi-user and multipath propagation in UWB system. UWB can provide very high wireless data transmission capacity than other short range wireless communication system because it uses more than 1.5G Hz bandwidth for data transmission. To avoid the interference with other wireless communication system, time-hopping spread spectrum (TH-SS) technology is used. In this master thesis, TH-SS will not be implemented in the simulation.

Description

Supervisor

Häggman, Sven-Gustav

Thesis advisor

Ruttik, Kalle

Keywords

Ultra Wide Band, UWB, Signal Nose Ratio, SNR, Bit Error Rate, BER, interference, system capacity, data modulation, bandwidth, RAKE receiver, multipath, synchronization

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Citation

Permanent link to this item

https://urn.fi/URN:NBN:fi:aalto-2020120449850

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[dipl] Teknillinen korkeakoulu / TKK