[优秀英文UWB资料]SINGLEBAND UWB SYSTEMS

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【资料名称】：SINGLEBAND UWB SYSTEMS
【作者】：Matti Hämäläinen
【语言】：EN
【页数】：104
【格式】：PDF
【发表时间】：2006
【摘要或目录】：List of original papers
List of symbols and abbreviations
Contents
1 Introduction ................................................................................................................... 15
1.1 Background.............................................................................................................15
1.2 Motivation ..............................................................................................................19
1.3 Author’s contribution..............................................................................................20
1.4 Outline of the thesis................................................................................................21
2 State of the art of ultra wideband technology ................................................................ 23
2.1 Status of the standardization process ......................................................................24
2.2 Prevailing UWB definition and radiation limits .....................................................29
2.2.1 In the USA.......................................................................................................30
2.2.2 A proposal for Europe......................................................................................31
2.3 Pulse waveforms.....................................................................................................32
2.4 Propagation aspects ................................................................................................36
2.4.1 Multipath propagation .....................................................................................36
2.4.2 Path loss...........................................................................................................37
2.5 Existing UWB technologies ...................................................................................39
2.5.1 Singleband UWB.............................................................................................39
2.5.1.1 Time hopping UWB..................................................................................39
2.5.1.2 Direct sequence UWB ..............................................................................41
2.5.1.3 Transmitted reference ...............................................................................42
2.5.1.4 Frequency chirp ........................................................................................43
2.5.1.5 UWB frequency modulation.....................................................................43
2.5.2 Multiband UWB..............................................................................................44
2.6 UWB channel capacity ...........................................................................................46
2.7 Applications............................................................................................................47
3 Summary of the coexistence review.............................................................................. 50
3.1 UWB and GPS........................................................................................................50
3.2 UWB and cellular systems......................................................................................51
3.3 UWB and WLAN...................................................................................................52
3.4 UWB and FWA.......................................................................................................53
3.5 Generic coexistence................................................................................................53
3.6 Summary.................................................................................................................55
4 Framework of the research ............................................................................................ 56
4.1 Simulation approach...............................................................................................56
4.1.1 Signal model....................................................................................................57
4.1.2 Channel model.................................................................................................59
4.1.3 Interference model...........................................................................................61
4.1.4 Receiver structure............................................................................................63
4.2 Theoretical approach ..............................................................................................65
4.3 Measurement approach...........................................................................................67
4.3.1 First-generation UWB transmitter ...................................................................68
4.3.2 Second-generation UWB transmitter...............................................................69
5 Summary of the original publications............................................................................ 71
5.1 Analysis ..................................................................................................................72
5.1.1 In-band interference.........................................................................................72
5.1.2 Performance simulations .................................................................................73
5.1.3 Theoretical performance calculations..............................................................75
5.2 Measurements.........................................................................................................76
6 Conclusions and future work......................................................................................... 78
6.1 Summary and conclusions ......................................................................................78
6.2 Future work ............................................................................................................80
References ........................................................................................................................ 82
Original papers

chanchanliushui

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