IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.最新文献

筛选
英文 中文
Fuzzy Handoff Control Using Learnt Cell Boundary for Radio PBX 基于学习小区边界的无线PBX模糊切换控制
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. Pub Date : 1991-09-23 DOI: 10.1109/PIMRC.1991.571500
Yasuaki Kinoshjta, Y. Omata, Tetsuya Fukudome
{"title":"Fuzzy Handoff Control Using Learnt Cell Boundary for Radio PBX","authors":"Yasuaki Kinoshjta, Y. Omata, Tetsuya Fukudome","doi":"10.1109/PIMRC.1991.571500","DOIUrl":"https://doi.org/10.1109/PIMRC.1991.571500","url":null,"abstract":"","PeriodicalId":254396,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127531094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A Capacity Estimation Model For Cellular Systems 蜂窝系统的容量估计模型
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. Pub Date : 1991-09-23 DOI: 10.1109/PIMRC.1991.571455
J. Short, B. Zako
{"title":"A Capacity Estimation Model For Cellular Systems","authors":"J. Short, B. Zako","doi":"10.1109/PIMRC.1991.571455","DOIUrl":"https://doi.org/10.1109/PIMRC.1991.571455","url":null,"abstract":"Acomputer model has been developed to set up a single RF carrier scenario consisting of a central serving cell and two tiers of co-channel interferers. Samples are then generated uniformly within the serving cell and at each point the carrier to co-channel interference ratio (CA) is evaluated. The cumulative distribution function (CDF) can then be derived by considering a large number of samples. For a given C/Ic threshold, the outage probability of the system is then found by drawing the appropriate threshold line across the CDF.","PeriodicalId":254396,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.","volume":"124 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126086627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Voltage Tuneable RF Bandpass Filters For Mobile Communications 用于移动通信的电压可调谐射频带通滤波器
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. Pub Date : 1991-09-23 DOI: 10.1109/PIMRC.1991.571460
P. Sroka
{"title":"Voltage Tuneable RF Bandpass Filters For Mobile Communications","authors":"P. Sroka","doi":"10.1109/PIMRC.1991.571460","DOIUrl":"https://doi.org/10.1109/PIMRC.1991.571460","url":null,"abstract":"","PeriodicalId":254396,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126386183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Use Of A Matched Filter For DS Receiver Synchronization In An AWGN Channel With Continuous And Pulsed Tone Jamming 在连续和脉冲音干扰的AWGN信道中使用匹配滤波器实现DS接收机同步
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. Pub Date : 1991-09-23 DOI: 10.1109/PIMRC.1991.571487
J. Iinatti, Pentti A. Leppänen
{"title":"Use Of A Matched Filter For DS Receiver Synchronization In An AWGN Channel With Continuous And Pulsed Tone Jamming","authors":"J. Iinatti, Pentti A. Leppänen","doi":"10.1109/PIMRC.1991.571487","DOIUrl":"https://doi.org/10.1109/PIMRC.1991.571487","url":null,"abstract":"This paper introduces some simulation results regarding a DS spread spectrum system in which the principle of matched filter synchronization for acquisition of the code synchronization is used. Acquisition is performed by means of a matched filter or matched filter and reference filter, and synchronization pulses are integrated recursively over ten databits. A Gold code pair is used as the spreading code. AWG noise and a jamming carrier are added to the information signal in the channel, the jamming signal being either continuous or pulsed. The probabilities of detecting the main correlation peaks and false synchronizations and bit error rates are measured in the simulations. Some advantages are obtained from a reference filter in certain cases.","PeriodicalId":254396,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125656039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A New Carrier Recovery Circuit For Land Mobile Satellite Communication 一种新的陆地移动卫星通信载波恢复电路
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. Pub Date : 1991-09-23 DOI: 10.1109/PIMRC.1991.571507
K. Kobayashi, T. Sakai, S. Kubota, M. Morikura, S. Kato
{"title":"A New Carrier Recovery Circuit For Land Mobile Satellite Communication","authors":"K. Kobayashi, T. Sakai, S. Kubota, M. Morikura, S. Kato","doi":"10.1109/PIMRC.1991.571507","DOIUrl":"https://doi.org/10.1109/PIMRC.1991.571507","url":null,"abstract":"A DCF (dual carrier filter) reverse-modulation-type carrier recovery circuit is proposed to achieve a low carrier skipping rate and satisfactory phase tracking performance for coherent detection of PSK (phase shift keying) signals in fast Rician fading channels. The proposed scheme employs both narrow and wide bandwidth carrier filters simultaneously for the reverse-modulation-type carrier recovery circuit. It is clarified by computer simulation that the Pe performance of a QPSK (quadriphase shift keying) modem employing the proposed scheme shows an improvement of 1.5 dB in required E/sub s//N/sub O/ at Pe=10/sup 4/ (after Viterbi decoding (R=7/8, K=7), C/M (direct-to-multipath signal power ratio)=10 dB, interleaving size=64*64), compared with conventional coherent detection employing the reverse modulation tank-limiter scheme or the Costas loop scheme. >","PeriodicalId":254396,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.","volume":"355 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115934374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Effective Order Of Implicit Diversity In The Performance Of CDMA In Indoor Radio Channels 室内无线信道CDMA性能中的隐式分集有效阶数
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. Pub Date : 1991-09-23 DOI: 10.1109/PIMRC.1991.571492
A. Falsafi, K. Pahlavan
{"title":"Effective Order Of Implicit Diversity In The Performance Of CDMA In Indoor Radio Channels","authors":"A. Falsafi, K. Pahlavan","doi":"10.1109/PIMRC.1991.571492","DOIUrl":"https://doi.org/10.1109/PIMRC.1991.571492","url":null,"abstract":"This paper addresses different methods for calculation of the average error rate of a BPSK modulated direct-sequence spread spectrum (DS-SS) system in the presence of multi-user and multipath interference and AWGN. It is shown that the performance of such systems can be approximated using certain parameters derived from the channel model. The performance of the system in a simulated channel model is compared with previously published methods for performance analysis [5,6, lo]. Improvements to this approximation are proposed which show close agreement with the results of computer simulations.","PeriodicalId":254396,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127615093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Experiments On SCPC Communication And Radio Determination Using Two Geostationary Satellite 基于两颗地球同步卫星的SCPC通信与无线电确定实验
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. Pub Date : 1991-09-23 DOI: 10.1109/PIMRC.1991.571508
Y. Arakaki, E. Morikawa, R. Miura, T. Ikegami, H. Wakana, S. Ohmori, M. Wakao
{"title":"Experiments On SCPC Communication And Radio Determination Using Two Geostationary Satellite","authors":"Y. Arakaki, E. Morikawa, R. Miura, T. Ikegami, H. Wakana, S. Ohmori, M. Wakao","doi":"10.1109/PIMRC.1991.571508","DOIUrl":"https://doi.org/10.1109/PIMRC.1991.571508","url":null,"abstract":"Communications Research Laboratory (CRL) and R&D center for Radio Systems have developed a new h y b r i d satellite system which can provide both c o m m u n i c a t i o n s and p o s i t i o n i n g s e r v i c e s in o n e system using two geostationary satellites. The distinctive feature is that location information can be provided by transmitting and receiving ranging signals through two geostationary satellites over the same channel a s communications. Offset-QPSK modulation method is used to handle both communication and ranging signal through a non linear channel such as C-class HPA’s mobile terminals. A ranging signal o f 1 2 0 0 chip rate consists of a part o f PN code of 2 4 0 0 chip M-sequence. Evaluation tests performed on board a ship in the Pacific Ocean showed that positioning accuracy is about 600m at middle latitude. 1 . 0 INTRODUCTION Satellite-based radio determination systems are being developed in the world. Most systems can provide only radio determination service. I f a system w h i c h can provide both radio determination and communication service is developed, th.en we can expect various kinds o f services.Cl] Communications Research Laboratory(CRL) and R&D center for Radio systems have developed a communication and radio determination hybrid s y s t e m . W i t h a s u p p l e m e n t a r y f u n c t i o n a d d e d t o usual satellite communication systems, positioning of mobile stations and communication services such as voice and data transmission can be s i m u l t a n e o u s l y p r o v i d e d o v e r a s i n g l e c o m m u n i c a t i o n s channel.C2) This paper gives the outline o f the system and results of evaluation tests on board a s h i p in the Pacific Ocean. 2.0 E X P E R I M E N T A L SYSTEM The experimental system consists o f two geostationary satellites, ETS-V at 1 5 0 E longitude and I N M A R S A T at 180 E longitude, a base earth station (Kashima Space Research Center) and a mobile earth","PeriodicalId":254396,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131433254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation Of The Optimum Symbol State For Pilot Symbol Insertion 16-QAM 导频符号插入16-QAM的最佳符号状态评估
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. Pub Date : 1991-09-23 DOI: 10.1109/PIMRC.1991.571480
M. Li, A. Bateman, Joe McGeehan
{"title":"Evaluation Of The Optimum Symbol State For Pilot Symbol Insertion 16-QAM","authors":"M. Li, A. Bateman, Joe McGeehan","doi":"10.1109/PIMRC.1991.571480","DOIUrl":"https://doi.org/10.1109/PIMRC.1991.571480","url":null,"abstract":"","PeriodicalId":254396,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115364196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
2.6 Ghz Band Multipath Characteristics for Urban Microcellular Telecommunication Systems 城市微蜂窝通信系统的2.6 Ghz频段多径特性
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. Pub Date : 1991-09-23 DOI: 10.1109/PIMRC.1991.571514
E. Moriyama, M. Mizuno, Y. Nagata, Y. Furuya, I. Kamiya, S. Hattori
{"title":"2.6 Ghz Band Multipath Characteristics for Urban Microcellular Telecommunication Systems","authors":"E. Moriyama, M. Mizuno, Y. Nagata, Y. Furuya, I. Kamiya, S. Hattori","doi":"10.1109/PIMRC.1991.571514","DOIUrl":"https://doi.org/10.1109/PIMRC.1991.571514","url":null,"abstract":"L O Summary Measurement of multipath delay profile characteristics in the 2.6 GWz band has been carried out within a 2 x 1.5 km area in metropolitan Tokyo to investigate the feasibility of a high speed digital micro-cellular portable radio system. The measurement system has time resolution of 40 ns. In this paper we present the spatial variations of the power delay profile and the delay-Doppler spectra, and we show the cumulative distribution of the delay spread and the error rate caused by multipath in the micro-cellular propagation environment.","PeriodicalId":254396,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132976023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
The Design and Development of a Code Division Multiple Access (CDMA) System for Cellular and Personal Communications 用于蜂窝和个人通信的码分多址(CDMA)系统的设计与开发
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. Pub Date : 1991-09-23 DOI: 10.1109/PIMRC.1991.571478
E. Tiedemann, A. Salmasi, K. Gilhousen
{"title":"The Design and Development of a Code Division Multiple Access (CDMA) System for Cellular and Personal Communications","authors":"E. Tiedemann, A. Salmasi, K. Gilhousen","doi":"10.1109/PIMRC.1991.571478","DOIUrl":"https://doi.org/10.1109/PIMRC.1991.571478","url":null,"abstract":"","PeriodicalId":254396,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131836241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:604180095
Book学术官方微信