2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP)最新文献

Differential evolution algorithm based pilot aided weighted data fusion scheme for uplink base-station cooperation system 基于差分进化算法的上行基站协同系统加权数据融合方案

2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2014-12-22 DOI: 10.1109/WCSP.2014.6992012

Zhe Zhang, Jing Yang, Jiankang Zhang, X. Mu

{"title":"Differential evolution algorithm based pilot aided weighted data fusion scheme for uplink base-station cooperation system","authors":"Zhe Zhang, Jing Yang, Jiankang Zhang, X. Mu","doi":"10.1109/WCSP.2014.6992012","DOIUrl":"https://doi.org/10.1109/WCSP.2014.6992012","url":null,"abstract":"Base Station Cooperation (BSC), has been a promising technique for combating the Inter-Cell Interference (ICI) by exchanging information through a high-speed optical fiber back-haul to increase the diversity gain. In this paper, we propose a novel pilot symbol assisted data fusion scheme for Uplink BSC (UBSC). Furthermore, the proposed scheme exploits the pre-defined pilot symbols as the sample of transmitted symbols to constitute a sub-optimal Weight Calculation (WC) model. To circumvent the non-linear programming problem of the proposed sub-optimal model, Differential Evolution (DE) algorithm is employed for searching the proper fusion weights. Compared with the existing equal weights based soft combining scheme, the proposed scheme can adaptively adjust the fusion weights according to the accuracy of cooperative information, which remains the relatively low computational complexity and back-haul traffic. Performance analysis and simulation results show that, the proposed scheme can significantly improve the system performance with the pilot settings of the existing standards.","PeriodicalId":412971,"journal":{"name":"2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116706069","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

3D face registration by depth-based template matching and active appearance model 基于深度模板匹配和主动外观模型的三维人脸配准

2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2014-12-22 DOI: 10.1109/WCSP.2014.6992207

Rong Liu, Roland Hu, Huimin Yu

引用次数: 2

Performance analysis of OP-HCM system with DPFFT demodulation over doubly-selective channels 双选择信道DPFFT解调的OP-HCM系统性能分析

2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2014-12-22 DOI: 10.1109/WCSP.2014.6992110

Yong Li, X. Sha

引用次数: 2

Complexity reduction techniques for blind adaptive beamforming in OFDM antenna arrays OFDM天线阵列中盲自适应波束形成的复杂度降低技术

2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2014-12-22 DOI: 10.1109/WCSP.2014.6992162

Boya Qin, Yunlong Cai, B. Champagne, Minjian Zhao

{"title":"Complexity reduction techniques for blind adaptive beamforming in OFDM antenna arrays","authors":"Boya Qin, Yunlong Cai, B. Champagne, Minjian Zhao","doi":"10.1109/WCSP.2014.6992162","DOIUrl":"https://doi.org/10.1109/WCSP.2014.6992162","url":null,"abstract":"In this paper, we propose two complexity reduction techniques for blind adaptive beamforming in orthogonal frequency division multiplexing (OFDM) antenna array systems. For each sub-carrier, a beamformer with generalized sidelobe canceller (GSC) structure is designed according to the constrained constant modulus (CCM) criterion with weight vectors adaptation based on the recursive least squares (RLS) method. The two techniques that we propose for complexity reduction rely on frequency domain interpolation and spatial domain clustering, respectively. The former exploits the coherence bandwidth of the radio channel, so that only the weight vectors at selected frequencies need to be adapted, while the remaining weight vectors are obtained via interpolation. The latter relies on the partitioning of the receiving array into sub-arrays of smaller size. In addition, a combination of these two techniques is proposed to further reduce the complexity. A complexity analysis is presented to quantify the computational savings offered by the proposed techniques. Finally, simulation results are provided to illustrate that these savings can be obtained at the price of only a minor, acceptable loss in performance when compared to the direct application of the conventional CCM-RLS-GSC beamforming algorithm to the wideband OFDM antenna array systems.","PeriodicalId":412971,"journal":{"name":"2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP)","volume":"292 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122691888","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

Beamforming design of sum secrecy rate optimization for MU-MISO channel under sum power constraint 和功率约束下MU-MISO信道和保密率优化波束形成设计

2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2014-12-22 DOI: 10.1109/WCSP.2014.6992154

Pu Zhao, Meng Zhang, Hui Yu, Han-wen Luo, Wen Chen

{"title":"Beamforming design of sum secrecy rate optimization for MU-MISO channel under sum power constraint","authors":"Pu Zhao, Meng Zhang, Hui Yu, Han-wen Luo, Wen Chen","doi":"10.1109/WCSP.2014.6992154","DOIUrl":"https://doi.org/10.1109/WCSP.2014.6992154","url":null,"abstract":"This paper studies the beamforming design problem of a multi-user downlink network, assuming perfect channel state information (CSI) known to the base station (BS). In this scenario, the BS is equipped with multiple antennas, and each user is wiretapped by a specific eavesdropper where each user or eavesdropper is equipped with one antenna. It is supposed that the BS employs transmit beamforming with a given requirement on sum transmitting power. The object is to maximize the sum secrecy rate (SSR) of the network, which leads to a nonconvex complicated structure, and makes he considered beamforming design problem difficult to handle. To solve this problem, a beamforming design scheme is proposed to transform the original problem into a convex approximation problem, by employing semidefinite relaxation (SDR) and first-order approximation technique based on Taylor expansion. Besides, with the advantage of low complexity, a zero-forcing (ZF) based beamforming method is presented in the case that BS is able to nullify he eavesdroppers' rate. Numerical results show that the former strategy achieves better performance than the later one, which is mainly due to the ability of optimizing beamforming direction, and both outperform the traditional signal-to-leakage-and-noise ratio (SLNR) based algorithm.","PeriodicalId":412971,"journal":{"name":"2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128579455","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

User association for green heterogeneous cellular networks with hybrid energy supplies 具有混合能源供应的绿色异构蜂窝网络的用户关联

2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2014-12-22 DOI: 10.1109/WCSP.2014.6992038

Qiao Kong, Bang Wang

引用次数: 5

Time-correlation analysis of GSM telephone traffic in dense population district 人口密集地区GSM电话话务量的时间相关分析

2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2014-12-22 DOI: 10.1109/WCSP.2014.6992111

Dandan Yin, Sihai Zhang, Wuyang Zhou, Yi Zheng

引用次数: 5

Performance analysis of symbol interleaving for next generation mm-Wave MIMO WLAN 新一代毫米波MIMO无线局域网的符号交错性能分析

2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2014-12-22 DOI: 10.1109/WCSP.2014.6992035

Changgeng Li, Shiwen He, Su Gao, Haiming Wang, X. Yao, Yongming Huang, Luxi Yang

引用次数: 0

Cooperative FPT-based spectrum sensing algorithm with decision fusion 基于协同fpt的决策融合频谱感知算法

2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2014-12-22 DOI: 10.1109/WCSP.2014.6992211

Lei Wang, Haitao Xue, Guoping Jiang, B. Zheng, Jingwu Cui

引用次数: 1

Gaussian message-based cooperative localization on factor graph in wireless sensor networks 基于高斯消息的无线传感器网络因子图协同定位

2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2014-12-22 DOI: 10.1109/WCSP.2014.6992066

Bin Li, N. Wu, Hua Wang, Jingming Kuang, C. Xing

引用次数: 2