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2014 IEEE Fifth International Conference on Communications and Electronics (ICCE)最新文献

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A tracking area list configuration method to mitigate burst location updates 一种减少突发位置更新的跟踪区域列表配置方法
2014 IEEE Fifth International Conference on Communications and Electronics (ICCE) Pub Date : 2014-07-01 DOI: 10.1109/CCE.2014.6916712
Satoshi Ikeda, N. Kami, T. Yoshikawa
{"title":"A tracking area list configuration method to mitigate burst location updates","authors":"Satoshi Ikeda, N. Kami, T. Yoshikawa","doi":"10.1109/CCE.2014.6916712","DOIUrl":"https://doi.org/10.1109/CCE.2014.6916712","url":null,"abstract":"The quality of the services provided by cellular networks is negatively affected by the mobility management signal burst traffic caused by simultaneous movement of user equipment in mass transportation vehicles. Long Term Evolution networks track the location of a user equipment at the granularity of a tracking area list (TAL). This strategy supplies a flexible mechanism for reducing and distributing the signaling loads for mobility management. However, it is not clear how to effectively mitigate the burst location update signals caused by mass transportation systems by taking advantage of TALs. Therefore, we propose a tracking area list configuration method by solving an optimization problem. The proposed method detects the cells with burst location updates from the location update records and generates rules for the TAL configuration that selectively mitigates the burst location updates.","PeriodicalId":377853,"journal":{"name":"2014 IEEE Fifth International Conference on Communications and Electronics (ICCE)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116165590","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: 7
Receive diversity in cognitive relay transmission: Outage analysis 认知中继传输中的接收多样性:中断分析
2014 IEEE Fifth International Conference on Communications and Electronics (ICCE) Pub Date : 2014-07-01 DOI: 10.1109/CCE.2014.6916691
Nguyen Hong Giang, Vo Nguyen Quoc Bao, H. Nguyen-Le
{"title":"Receive diversity in cognitive relay transmission: Outage analysis","authors":"Nguyen Hong Giang, Vo Nguyen Quoc Bao, H. Nguyen-Le","doi":"10.1109/CCE.2014.6916691","DOIUrl":"https://doi.org/10.1109/CCE.2014.6916691","url":null,"abstract":"This paper analyses outage probability of cognitive relay transmissions using maximal ratio combining (MRC) technique at relay and destination nodes. In the cognitive system, an exact outage probability in the secondary relay network is formulated in the absence of perfect channel state information (CSI) of interference links between primary and secondary networks. The analytical results and related simulation ones show that an increase in interference power (from the primary network) reduces diversity gains in the secondary network.","PeriodicalId":377853,"journal":{"name":"2014 IEEE Fifth International Conference on Communications and Electronics (ICCE)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124594819","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: 2
An OFDM-based chaotic DSSS communication system with M-PSK modulation 基于ofdm的M-PSK调制的混沌DSSS通信系统
2014 IEEE Fifth International Conference on Communications and Electronics (ICCE) Pub Date : 2014-07-01 DOI: 10.1109/CCE.2014.6916688
N. X. Quyen, L. V. Công, Nguyen Huu Long, V. V. Yem
{"title":"An OFDM-based chaotic DSSS communication system with M-PSK modulation","authors":"N. X. Quyen, L. V. Công, Nguyen Huu Long, V. V. Yem","doi":"10.1109/CCE.2014.6916688","DOIUrl":"https://doi.org/10.1109/CCE.2014.6916688","url":null,"abstract":"This paper investigates a Chaotic Direct-Sequence Spread-Spectrum (CDSSS) communication system based on Orthogonal Frequency-Division Multiplexing (OFDM) technique in combination with M-ary Phase Shift Keying (M-PSK) modulation. In the combination system, depending on the quality of transmission channel, the data rate can be adjusted flexibly by using M-PSK. Error rate performances through noise- and fading-affected channels are improved by means of CDSSS and OFDM, respectively. By replacing the conventional Pseudo-random Noise (PN) sequence with a NRZ-chaos sequence in CDSSS, data security of the combination system is enhanced significantly. A detailed description of the proposed system is first given. Numerical simulation and results are then shown in order to verify operation of the system and characterize the dependence of Bit Error Rate (BER) performance on the number of symbols, spreading factor and different chaotic sequences in both Additive White Gaussian Noise (AWGN) and Rayleigh Fading channels. Notable features on security of the system are also presented.","PeriodicalId":377853,"journal":{"name":"2014 IEEE Fifth International Conference on Communications and Electronics (ICCE)","volume":"365 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122769555","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: 22
A small Patch Antenna for GSM applications 用于GSM应用的小型贴片天线
2014 IEEE Fifth International Conference on Communications and Electronics (ICCE) Pub Date : 2014-07-01 DOI: 10.1109/CCE.2014.6916736
Ngo Hoai Nguyen, Kieu Trung Liem, Dinh Uyen Nguyen, Doan Phuong Duy
{"title":"A small Patch Antenna for GSM applications","authors":"Ngo Hoai Nguyen, Kieu Trung Liem, Dinh Uyen Nguyen, Doan Phuong Duy","doi":"10.1109/CCE.2014.6916736","DOIUrl":"https://doi.org/10.1109/CCE.2014.6916736","url":null,"abstract":"A small Patch Antenna is developed specifically for 2G digital cellular networks and automatic GPS tracking applications. It covers three bands: GSM - 850 MHz, GSM 900 MHz and GSM 1.8 GHz. The antenna has a small size (34 mm × 26 mm) and is designed on a substrate FR-4 with the radiation patch. In this paper, the results of the simulation by HFSS 13.0 and the measurement results are presented.","PeriodicalId":377853,"journal":{"name":"2014 IEEE Fifth International Conference on Communications and Electronics (ICCE)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121849217","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: 2
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