ITU-R REPORT SM 2057-2005 Studies related to the impact of devices using ultra-wideband technology on radiocommunication services《使用超宽带技术设备影响无线电通信业务的相关研究》.pdf
《ITU-R REPORT SM 2057-2005 Studies related to the impact of devices using ultra-wideband technology on radiocommunication services《使用超宽带技术设备影响无线电通信业务的相关研究》.pdf》由会员分享,可在线阅读,更多相关《ITU-R REPORT SM 2057-2005 Studies related to the impact of devices using ultra-wideband technology on radiocommunication services《使用超宽带技术设备影响无线电通信业务的相关研究》.pdf(808页珍藏版)》请在麦多课文档分享上搜索。
1、 Rep. ITU-R SM.2057 1 REPORT ITU-R SM.2057 Studies related to the impact of devices using ultra-wideband technology on radiocommunication services (2005) TABLE OF CONTENTS Page 1 Introduction 10 2 Characteristics of radiocommunication services 10 2.1 Characteristics and protection criteria of radioc
2、ommunication services 10 2.2 Categories of victim receivers 10 3 UWB characteristics. 11 3.1 Characteristics of devices using UWB technology 11 3.1.1 Multi-carrier/multi-band signalling 11 3.1.2 Time hopping . 11 3.2 UWB applications. 12 3.2.1 Applications of pervasive ultra-wideband radio systems (
3、PULSERS) 12 3.3 UWB characteristics and their impact on UWB capabilities 14 3.3.1 Introduction 14 3.3.2 UWB link budgets 14 3.3.3 Justification for a link margin 17 3.3.4 Impact on UWB capabilities 20 3.3.5 UWB operational criteria . 24 3.3.6 Conclusion . 24 3.4 Slope emission masks . 25 4 Impact of
4、 UWB on radiocommunication services . 26 4.1 Methodologies 26 4.2 Propagation prediction models for UWB interference studies . 26 4.2.1 Background 26 4.2.2 Radio modelling. 27 2 Rep. ITU-R SM.2057 Page 4.2.3 Propagation models to assess potential interference from devices using UWB technology into c
5、onventional and relatively narrowband receivers . 28 4.2.4 Propagation models to assess compatibility between different devices using UWB technology. 29 4.2.5 A theoretical UWB multipath propagation model . 31 4.3 Aggregate interference analysis 31 4.3.1 UWB deployment scenarios for aggregate interf
6、erence analysis 31 4.3.2 Aggregate interference analysis in outdoor terrestrial urban environments 32 4.3.3 Aggregate interference measurement results . 43 5 Mitigation techniques . 59 5.1 Spectral control techniques. 59 5.1.1 Cross polarization 59 5.1.2 Notch filtering 59 5.1.3 UWB modulation and c
7、hannelization schemes . 61 5.1.4 Frequency hopping. 61 5.1.5 Chirp signalling 61 5.1.6 Frequency agile modulation. 62 5.1.7 Carrier-leak-free burst oscillator 62 5.2 Spatial radiation control techniques 63 5.2.1 Antenna directivity. 63 5.2.2 Multiple antenna diversity . 63 5.2.3 Array antenna. 63 5.
8、3 Combined techniques 63 5.4 Detect and avoid technique. 63 Annex 1 to 5 Spectral control mitigation techniques. 64 1 Smoothing the PSD of UWB signals 64 2 Impact of the pseudo-noise code sequence on UWB PSD. 64 3 Effects of pulse shapes on the PSD of UWB signals . 67 4 Summary of analytical studies
9、 69 Rep. ITU-R SM.2057 3 Page Annex 1 Studies related to the impact of devices using ultra-wideband technology on systems operating within the mobile service 119 1 Land mobile service except IMT-2000 119 1.1 PCS land mobile services . 119 1.2 Interference effect of UWB mass deployment on GSM 900 MHz
10、 systems. 127 1.3 Impact on the land mobile service 131 1.4 WiBro service . 132 1.5 Cellular mobile services (824-849 MHz/869-894 MHz) 134 1.6 Impact of devices using UWB technology on both IMT-2000 and land mobile except IMT-2000 terminals 138 2 Maritime mobile service. 148 2.1 Introduction. 148 2.
11、2 Assumptions and calculations. 149 2.3 Results. 150 2.4 Conclusions. 150 3 Aeronautical service . 154 3.2 Results. 159 4 IMT-2000 and systems beyond IMT-2000. 172 4.1 Introduction. 172 4.2 Scope. 172 4.3 Assumed UWB technical characteristics and usage. 173 4.4 Victim IMT-2000 receiver characteristi
12、cs and deployment scenarios . 177 4.5 Interference scenarios . 182 4.6 Methodologies for interference assessment 184 4.7 Studies and results 192 4.8 Summary and conclusions 226 5 Wireless access systems including RLANs 229 5.1 Introduction and summary 229 5.2 Model and scenario. 229 5.3 UWB interfer
13、ence effects on IEEE 802.11a. 232 4 Rep. ITU-R SM.2057 Page 5.4 UWB interference effects on IEEE 802.11b. 241 5.5 Interference distances for IEEE 802.11a derived from measured C/I 260 6 Amateur and amateur-satellite service . 272 6.1 Amateur and amateur-satellite services in 420 MHz 10.5 GHz 272 6.2
14、 Deployment scenarios. 272 6.3 Activity factor. 273 6.4 Technical characteristics of amateur systems. 273 6.5 Aggregation 273 6.6 Mitigation techniques . 274 6.7 Frequency bands of interest 274 6.8 Characteristics of amateur stations . 275 6.9 Particular scenarios for study Amateur service . 276 6.1
15、0 Amateur satellite service. 281 6.11 Overall conclusions 284 7 Meteorological ground based radars 285 7.1 System characteristics. 285 7.2 Impact studies . 288 7.3 Conclusion 309 Appendix 1 to Annex 1 Characterization of a mobile handset in multipath environments 310 1 Measurement approaches . 310 2
16、 Reverberation chamber. 311 3 The total isotropic sensitivity (TIS) measurements of cdma2000 mobile phones . 311 4 The average fading sensitivity (AFS) measurements of cdma2000 mobile phones. 312 5 Comparison between TIS and AFS sensitivities 312 Appendix 2 to Annex 1 313 Appendix 3 to Annex 1 315 1
17、 Input to the Correspondence Group by Sector Members . 315 Appendix 4 to Annex 1 316 1 Input to the Correspondence Group by one Administration. 316 Rep. ITU-R SM.2057 5 Page Appendix 5 to Annex 1 317 1 Input to the Correspondence Group by a Sector Member 317 2 Mobile forward/reverse antenna gain. 31
18、7 3 Transmit 317 4 Receive . 317 Annex 2 Studies related to the impact of devices using ultra-wideband technology on systems operating within the fixed service. 321 1 Summary. 321 1.1 Fixed service objectives and characteristics . 324 1.2 Representative scenarios for bands below 11 GHz 334 1.3 Initi
19、al evaluations of upper-bounds of UWB interference to FWA and P-P systems in the selected scenarios below 11 GHz . 344 1.4 Determination of UWB e.i.r.p. levels for FS protection considering mitigation parameters and multiple scenarios aggregation in bands below 10.6 GHz 386 1.5 Studies on impact of
20、short range radars for automotive applications on FS in bands around 24 GHz . 394 Appendix 1 to Annex 2 Evaluation of mitigation factors KBand KLoS. 432 1 KBfactor 432 2 KLoSfactor. 433 Appendix 2 to Annex 2 One practical test for evaluating reflection impact 435 Annex 3 Studies related to the impac
21、t of devices using ultra-wideband technology on systems operating within the fixed-satellite service. 437 1 FSS earth stations characteristics . 437 2 UWB interference into FSS uplinks . 437 3 UWB interference into FSS downlinks 441 3.1 Single interferer 441 3.2 Aggregate interference 444 3.3 Conclu
22、sion for FSS downlink. 456 4 Conclusions for FSS studies (uplink and downlink) 457 6 Rep. ITU-R SM.2057 Page Annex 4 Studies related to the impact of devices using ultra-wideband technology on systems operating within the mobile-satellite service and the radionavigation satellite service. 459 1 Mobi
23、le-satellite service (MSS). 459 1.1 Search and rescue systems 459 1.2 Mobile-satellite services Service links of GSO MSS systems 465 2 Radionavigation satellite service 481 2.1 Introduction. 481 2.2 The global positioning system (GPS) . 483 2.3 Galileo. 507 2.4 GLONASS 547 Annex 5 Studies related to
24、 the impact of devices using ultra-wideband technology on systems operating within the broadcasting service and the broadcasting-satellite service. 559 1 Impact of UWB systems on terrestrial broadcasting 559 1.1 Assessment of the impact of UWB systems on the T-DAB system. 559 1.2 ISDB-TSBsystem 576
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