Name
Abstract | ||
|---|---|---|
This paper evaluates the level of interference caused by different ultra-wideband (UWB) signals to other various radio systems, as well as the performance degradation of UWB systems in the presence of narrowband interference and pulsed jamming. The in-band interference caused by a selection of UWB signals is calculated at GSM900, UMTS/wideband code-division multiple-access (WCDMA), and Global Position System (GPS) frequency bands as a function of the UWB pulsewidth. Several short-pulse waveforms, based on the Gaussian pulse, can be used to generate UWB transmission. The two UWB system concepts studied here are time hopping and direct sequence spread spectrum. Baseband binary pulse amplitude modulation is used as the data modulation scheme. Proper selection of pulse waveform and pulsewidth allows one to avoid some rejected frequency bands up to a certain limit. However, the pulse shape is also intertwined with the data rate demands. If short-pulses are used in UWB communication the high-pass filtered waveforms are preferred according to the results. The use of long pulses, however, favors the generic Gaussian waveform instead. An UWB system suffers most from narrowband systems if the narrowband interference and the nominal center frequency of the UWB signal overlap. This is proved by bit-error rate simulations in an additive white Gaussian noise (AWGN) channel with interference at global system for mobile communication (GSM) and UMTS/WCDMA frequencies. |
Year | DOI | Venue |
|---|---|---|
2002 | 10.1109/JSAC.2002.805242 | Selected Areas in Communications, IEEE Journal |
Keywords | Field | DocType |
AWGN channels,Global Positioning System,broadband networks,cellular radio,code division multiple access,error statistics,jamming,multiuser channels,pulse amplitude modulation,radio networks,spread spectrum communication,AWGN channel,BER simulations,GPS,GSM,GSM900,Gaussian pulse,Gaussian waveform,Global Position System,PAM,UMTS/WCDMA,UWB pulsewidth,UWB signals,UWB system coexistence,UWB systems,UWB transmission,additive white Gaussian noise channel,baseband binary pulse amplitude modulation,bit-error rate simulations,center frequency,data modulation,data rate,direct sequence spread spectrum,global system for mobile communication,high-pass filtered waveforms,in-band interference,long pulses,narrowband interference,narrowband systems,performance degradation,pulse shape,pulse waveform,pulsed jamming,radio systems,short-pulse waveforms,time hopping spread spectrum,ultra-wideband signals,wideband code-division multiple-access | Baseband,Narrowband,Telecommunications,UMTS frequency bands,Computer science,Real-time computing,Electronic engineering,Direct-sequence spread spectrum,Pulse-amplitude modulation,Additive white Gaussian noise,Time-hopping,Spread spectrum | Journal |
Volume | Issue | ISSN |
20 | 9 | 0733-8716 |
Citations | PageRank | References |
82 | 8.46 | 1 |
Authors | ||
4 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Matti Hämäläinen | 1 | 911 | 140.69 |
| Hovinen, V. | 2 | 83 | 9.15 |
| Tesi, R. | 3 | 82 | 8.46 |
| Jari H. Iinatti | 4 | 230 | 41.37 |