2011 6th International ICST Conference on Communications and Networking in China (CHINACOM)最新文献_第3页

A caching strategy in mobile ad hoc named data network 移动自组织命名数据网络中的缓存策略

2011 6th International ICST Conference on Communications and Networking in China (CHINACOM) Pub Date : 2011-08-17 DOI: 10.1109/ChinaCom.2011.6158264

Yuguang Zeng, X. Hong

引用次数: 21

Performance analysis of two-way relaying satellite mobile communication 双向中继卫星移动通信性能分析

2011 6th International ICST Conference on Communications and Networking in China (CHINACOM) Pub Date : 2011-08-17 DOI: 10.1109/ChinaCom.2011.6158320

Baofeng Ji, Yongming Huang, Haiming Wang, Luxi Yang

引用次数: 7

Network coding-aware cache replacement policy in on-demand broadcast environments 点播广播环境下网络编码感知缓存替换策略

2011 6th International ICST Conference on Communications and Networking in China (CHINACOM) Pub Date : 2011-08-17 DOI: 10.1109/ChinaCom.2011.6158243

Jun Chen, V. Lee, E. Chan

引用次数: 2

Adaptive physical layer network coding 自适应物理层网络编码

2011 6th International ICST Conference on Communications and Networking in China (CHINACOM) Pub Date : 2011-08-17 DOI: 10.1109/ChinaCom.2011.6158329

T. Peken, Ümit Aygölü

引用次数: 0

The concepts of hybrid-carrier scheme communication system 混合载波方案通信系统的概念

2011 6th International ICST Conference on Communications and Networking in China (CHINACOM) Pub Date : 2011-08-17 DOI: 10.1109/ChinaCom.2011.6158114

Lin Mei, X. Sha, Qinyu Zhang, Naitong Zhang

{"title":"The concepts of hybrid-carrier scheme communication system","authors":"Lin Mei, X. Sha, Qinyu Zhang, Naitong Zhang","doi":"10.1109/ChinaCom.2011.6158114","DOIUrl":"https://doi.org/10.1109/ChinaCom.2011.6158114","url":null,"abstract":"How to improve the efficiency of resource allocation and the performance of interference suppression has always been the essential issue and motivity of technology revolution in wireless communications. As to the issues of resource allocation and performance improvement in complex time-frequency fading channels, the proper time-frequency mathematics methods are encouraged to be utilized. Our research team has been interested in the weighted-type fractional Fourier transform (WFRFT) ever since 2007, and then introduced it into communication systems. The WFRFT comprises a co-modulation process of single-carrier (SC) scheme and multi-carrier (MC) scheme, by utilizing which a new hybrid-carrier (HC) scheme is proposed. We believe that the different carrier schemes have different adaptabilities to diverse fading channels, and a cooperative HC scheme will lead to a better performance. Meanwhile, the current communication systems have an alternative of SC or MC, or they could be adopted in down-link and up-link respectively sometimes. In this regard, a HC system is able to, not only provide the compatibility with SC and MC, but also achieve a smooth and seamless transition between the two. So a few of technical or non-technical conflicts caused by the incompatibility of SC and MC can be released. We are now researching on the basic theory, mechanism of convergence, essential techniques and feasibility study of cooperative HC scheme, preparing to share some ideas on system design and techniques selections of future communication systems.","PeriodicalId":339961,"journal":{"name":"2011 6th International ICST Conference on Communications and Networking in China (CHINACOM)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115744438","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: 12

Virtual network mapping algorithm for large-scale network environment 大规模网络环境下的虚拟网络映射算法

2011 6th International ICST Conference on Communications and Networking in China (CHINACOM) Pub Date : 2011-08-17 DOI: 10.1109/ChinaCom.2011.6158256

Shun-li Zhang, Xue-song Qiu, Luoming Meng

引用次数: 1

Performance analysis for searching delay of secondary users in Cognitive Radios 认知无线电中二次用户搜索时延的性能分析

2011 6th International ICST Conference on Communications and Networking in China (CHINACOM) Pub Date : 2011-08-17 DOI: 10.1109/CHINACOM.2011.6158153

W. Sheng, Wang Ye, Zhang Qinyu, F. Yu

引用次数: 0

On performance bounds of mixed amplify-and-forward and decode-and-forward cooperative relay systems 混合放大转发与译码转发协同中继系统的性能边界

2011 6th International ICST Conference on Communications and Networking in China (CHINACOM) Pub Date : 2011-08-17 DOI: 10.1109/ChinaCom.2011.6158209

Sheng-Qiang Huang, Hsiao-Hwa Chen, Meng-Ying Lee

引用次数: 5

Multi-stage beamforming codebook for 60GHz WPAN 用于60GHz WPAN的多级波束形成码本

2011 6th International ICST Conference on Communications and Networking in China (CHINACOM) Pub Date : 2011-08-17 DOI: 10.1109/ChinaCom.2011.6158179

Li Chen, Ying Yang, Xiaohui Chen, Weidong Wang

{"title":"Multi-stage beamforming codebook for 60GHz WPAN","authors":"Li Chen, Ying Yang, Xiaohui Chen, Weidong Wang","doi":"10.1109/ChinaCom.2011.6158179","DOIUrl":"https://doi.org/10.1109/ChinaCom.2011.6158179","url":null,"abstract":"Beamforming(BF) based on codebook is regarded as an attractive solution to resolve the poor link budget of millimeter-wave 60GHz wireless communication. Because the number of the elements of antenna array in 60GHz increases, the beam patterns generated are more than common BF, and it causes long set-up time during beam patterns searching. In order to reduce the set-up time, three stages protocol, namely the device (DEV) to DEV linking, sector-level searching and beam-level searching has been adopted by the IEEE 802.15.3c as an optional functionality to realize Gbps communication systems. However, it is still a challenge to create codebook of different patterns to support three stages protocol from common codebook of beam pattern. In this paper, we proposes a multi-stage codebook design and the realization architecture to support three stages BF. The multi-stage codebook can create different granularity of beam patterns and realize progressive searching. Simulation results for eight elements uniform linear array (ULA) show that this design can divide the beam searching to three stages searching without increasing the system complexity.","PeriodicalId":339961,"journal":{"name":"2011 6th International ICST Conference on Communications and Networking in China (CHINACOM)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122340995","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: 74

High-gain planar TEM horn antenna fed by balanced microstrip line 采用平衡微带线馈电的高增益平面TEM喇叭天线

2011 6th International ICST Conference on Communications and Networking in China (CHINACOM) Pub Date : 2011-08-17 DOI: 10.1109/ChinaCom.2011.6158284

Shu Lin, Xin-yue Zhang, Xingqi Zhang, Xue-ying Zhang, Run-nan Cai, Guan-long Huang, Li-wen Jing, Wen-bin Zhang

{"title":"High-gain planar TEM horn antenna fed by balanced microstrip line","authors":"Shu Lin, Xin-yue Zhang, Xingqi Zhang, Xue-ying Zhang, Run-nan Cai, Guan-long Huang, Li-wen Jing, Wen-bin Zhang","doi":"10.1109/ChinaCom.2011.6158284","DOIUrl":"https://doi.org/10.1109/ChinaCom.2011.6158284","url":null,"abstract":"A printed TEM horn antenna with high gain fed by balanced microstrip line is proposed. The radiation part of the antenna consists of two symmetrical triangular metal slice branches printed on the FR-4 substrate with 1.5mm thickness. The two branches are fed by balanced microstrip line. The antenna is simulated by software CST MICROWAVE STUDIO® and the equivalent adopted dipole model is proposed to describe the radiation characteristic of the antenna. The simulated results indicate that the frequency range is from 1.64GHz to 5GHz with reflection coefficient less than −6dB, and the typical gain value is 8dB in the operating bandwidth. In order to improve antenna gain without influencing the bandwidth, the length of the dielectric slab should be extended appropriately in the main radiation direction. By extending the length of the dielectric slab appropriately in the main radiation direction, the antenna gain can be improved significantly without influence on the bandwidth. The prototype has been fabricated and measured in microwave anechoic chamber which is coincident with the simulated results. This antenna can be widely applied in the UWB field.","PeriodicalId":339961,"journal":{"name":"2011 6th International ICST Conference on Communications and Networking in China (CHINACOM)","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131089862","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