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PNN-based QoE measuring model for video applications over LTE system 基于pnn的LTE视频QoE测量模型
7th International Conference on Communications and Networking in China Pub Date : 2012-08-01 DOI: 10.1109/ChinaCom.2012.6417448
Yuan He, Chao Wang, H. Long, K. Zheng
{"title":"PNN-based QoE measuring model for video applications over LTE system","authors":"Yuan He, Chao Wang, H. Long, K. Zheng","doi":"10.1109/ChinaCom.2012.6417448","DOIUrl":"https://doi.org/10.1109/ChinaCom.2012.6417448","url":null,"abstract":"Users' quality of experience (QoE) is a key factor in the success of video applications over the Long Term Evolution (LTE) networks. Thus, evaluating the QoE of video applications is of tremendous importance in design and optimization of wireless video processing and transmission systems. In this paper, we propose a QoE measuring model for the quality of video applications by using probabilistic neural network (PNN). We conduct a subjective test, in which OPNET modeler is employed to build a system level simulation platform for the wireless network and distortion is added into original video sequences when transmitting on the platform. A subject pool is utilized to evaluate the distorted videos. Based on the subjective test, we create a distorted-video database. PNN is used to train the mapping function between the corresponding parameters and QoE. The results demonstrate the effectiveness of the proposed model and show that it can provide a high correlation rate with human perception.","PeriodicalId":143739,"journal":{"name":"7th International Conference on Communications and Networking in China","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115128710","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
Joint multi-user precoding in multi-relay systems 多中继系统中的联合多用户预编码
7th International Conference on Communications and Networking in China Pub Date : 2012-08-01 DOI: 10.1109/chinacom.2012.6417525
Hang Long, Wei Xiang, Yueying Zhang, Jing Wang, Wenbo Wang
{"title":"Joint multi-user precoding in multi-relay systems","authors":"Hang Long, Wei Xiang, Yueying Zhang, Jing Wang, Wenbo Wang","doi":"10.1109/chinacom.2012.6417525","DOIUrl":"https://doi.org/10.1109/chinacom.2012.6417525","url":null,"abstract":"","PeriodicalId":143739,"journal":{"name":"7th International Conference on Communications and Networking in China","volume":"148 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123201088","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
Reviews on cognitive access to TV White Space 电视空白空间认知获取研究综述
7th International Conference on Communications and Networking in China Pub Date : 2012-08-01 DOI: 10.1109/ChinaCom.2012.6417579
Fei Peng, Yue Gao, L. Cuthbert
{"title":"Reviews on cognitive access to TV White Space","authors":"Fei Peng, Yue Gao, L. Cuthbert","doi":"10.1109/ChinaCom.2012.6417579","DOIUrl":"https://doi.org/10.1109/ChinaCom.2012.6417579","url":null,"abstract":"TV White Space (TVWS) is a large portion of vacant spectrum in UHF/VHF bands that are created during the Digital Switchover (DSO) for the higher spectrum efficiency of Digital TV. The newly available TVWS will enable new communication services. This paper presents the reviews on the state-of-the-art on cognitive access to TV White Space, including the regulatory development and standardization progress in organizations, analysis of different cognitive access mechanisms for TV White Space, and potential use cases of the TVWS spectrum.","PeriodicalId":143739,"journal":{"name":"7th International Conference on Communications and Networking in China","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123716089","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
Cooperative group localization based on weighted factor graphs 基于加权因子图的合作群体定位
7th International Conference on Communications and Networking in China Pub Date : 2012-08-01 DOI: 10.1109/ChinaCom.2012.6417522
Qimei Cui, Yulong Shi, Xuefei Zhang, Xiaoxuan Zhu
{"title":"Cooperative group localization based on weighted factor graphs","authors":"Qimei Cui, Yulong Shi, Xuefei Zhang, Xiaoxuan Zhu","doi":"10.1109/ChinaCom.2012.6417522","DOIUrl":"https://doi.org/10.1109/ChinaCom.2012.6417522","url":null,"abstract":"Multiple-target localization in ill conditions is very important in wireless location for next-generation wireless networks. The cooperative group localization (CGL) has indicated the effectiveness on performance gain and simultaneous multiple-target localization for the ill-conditioned localization problem. However, two inherent difficulties exist in the CGL: the strict demand for CGL topology and the high complexity. In order to solve the above rub, we propose a novel weighted factor graph CGL algorithm by formulating the location problem into the factor graph (FG) framework. Belief information (BI) is iteratively passed in node-FG and inter-FG to realize the proposed algorithm. Simulation results show that the proposed algorithm not only achieves high accuracy, but also enjoys low complexity in ill conditions.","PeriodicalId":143739,"journal":{"name":"7th International Conference on Communications and Networking in China","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125443989","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
Integration dual-polarized T-matched dipoles 积分双极化t匹配偶极子
7th International Conference on Communications and Networking in China Pub Date : 2012-08-01 DOI: 10.1109/ChinaCom.2012.6417572
Jianhong Zuo, Peiqiu Liu, Qingxin Chu, Xuejun Wang
{"title":"Integration dual-polarized T-matched dipoles","authors":"Jianhong Zuo, Peiqiu Liu, Qingxin Chu, Xuejun Wang","doi":"10.1109/ChinaCom.2012.6417572","DOIUrl":"https://doi.org/10.1109/ChinaCom.2012.6417572","url":null,"abstract":"dual-polarized T-matched dipoles with integration are proposed. It is formed by one-step molding with low cost and simple structure. The dual-polarized T-shaped dipole is designed with similar empty T-shaped slots that are deposed around the microstrip radiator to achieve good input impedance characteristics and wideband simultaneously. The proposed dual-polarized T-matched dipole has good radiation characteristics, such as high gain, high isolation. It is a capable candidate for the 2G, 3G or LTE wireless mobile communication systems.","PeriodicalId":143739,"journal":{"name":"7th International Conference on Communications and Networking in China","volume":"os-5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127687752","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
SOPC-based cooperative awareness nodes in smart multimedia sensor networks 智能多媒体传感器网络中基于sopc的协同感知节点
7th International Conference on Communications and Networking in China Pub Date : 2012-08-01 DOI: 10.1109/ChinaCom.2012.6417451
Yi Zhou, Huiping Li, Chunlin Wan, Zhen-tao Hu, Yong Jin
{"title":"SOPC-based cooperative awareness nodes in smart multimedia sensor networks","authors":"Yi Zhou, Huiping Li, Chunlin Wan, Zhen-tao Hu, Yong Jin","doi":"10.1109/ChinaCom.2012.6417451","DOIUrl":"https://doi.org/10.1109/ChinaCom.2012.6417451","url":null,"abstract":"The design mind of SOPC (System on Programmable Chip), hardware & software co-design, will bring the system optimization with larger degree of freedom. It will establish the foundation on realizing the miniaturization and more efficient local preprocessing in smart cooperative sensor networks. In this contribution, a solution is proposed for smart multimedia sensor nodes based on the SOPC framework, aiming at improving the on-board processing capability and the degree of freedom in development. This paper mainly presents the structure and design method of the smart cooperative multimedia sensor node based on SOPC. The on-board feature extraction is realized and some correlative experimental data and results are presented as well. The experimental results evaluate the feasibility and efficiency of the proposed node design method.","PeriodicalId":143739,"journal":{"name":"7th International Conference on Communications and Networking in China","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127067448","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
A simplified MMSE PSIC MIMO detector for turbo receivers 一种用于涡轮接收器的简化MMSE PSIC MIMO检测器
7th International Conference on Communications and Networking in China Pub Date : 2012-08-01 DOI: 10.1109/ChinaCom.2012.6417460
Juan Han, Qiuju Wang, Ren Wei, Shan Tang, Jinglin Shi
{"title":"A simplified MMSE PSIC MIMO detector for turbo receivers","authors":"Juan Han, Qiuju Wang, Ren Wei, Shan Tang, Jinglin Shi","doi":"10.1109/ChinaCom.2012.6417460","DOIUrl":"https://doi.org/10.1109/ChinaCom.2012.6417460","url":null,"abstract":"In this paper, a low-complexity MIMO detector with parallel soft symbol interference cancellation and an MMSE filter, is proposed for a turbo receiver in BICM MIMO systems. The detector is utilized in non-first iterative process of Turbo receiver to suppress residual interference and noise. The complexity of the algorithm can be greatly reduced as the matrix inverse for weighting vector of MMSE is not necessary due to the approximation that the components of residual interference of PSIC and the noise are modeled as uncorrelated Gaussian random variables. Monte Carlo simulation results confirm that the proposed algorithm can achieve almost the same performance as the traditional MMSE PSIC, but with much lower complexity.","PeriodicalId":143739,"journal":{"name":"7th International Conference on Communications and Networking in China","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126403652","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
On the design of Blind Interference Alignment using ESPAR antenna 基于ESPAR天线的盲干涉对准设计
7th International Conference on Communications and Networking in China Pub Date : 2012-08-01 DOI: 10.1109/ChinaCom.2012.6417606
Rongrong Qian, M. Sellathurai, D. Wilcox
{"title":"On the design of Blind Interference Alignment using ESPAR antenna","authors":"Rongrong Qian, M. Sellathurai, D. Wilcox","doi":"10.1109/ChinaCom.2012.6417606","DOIUrl":"https://doi.org/10.1109/ChinaCom.2012.6417606","url":null,"abstract":"Recently, a class of “Blind Interference Alignment (BIA)” techniques has been proposed in [3] and [4], which allows interference alignment to be achieved without knowledge of channel coefficients at the transmitter. In [4], the key to realizing the BIA for multi-user (MU) multiple-output-single-input (MISO) broadcast channel (BC) is the use of a receive antenna capable of switching among multiple pre-determined antenna patterns. The Electronically Steerable Parasitic Array Radiator (ESPAR) antenna, which uses only a single radio frequency (RF) front-end, has been shown to allow multiple-output-multiple-input (MIMO) communication by transmitting and/ or receiving data over diverse beampatterns. As the ESPAR antenna is capable of switching antenna pattern among a set of orthogonal basis patterns, in this context, we design a MU-MISO BC where receivers are equipped with ESPAR antennas to create short-term beampattern fluctuations. We show that there are multiple potential channel values available for each user through antenna switching of an ESPAR antenna. Then, the designed system model is exploited for implementation of the BIA coding [4]. The performance of the proposed BIA scheme is evaluated via simulation.","PeriodicalId":143739,"journal":{"name":"7th International Conference on Communications and Networking in China","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127444784","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: 13
A radio over fiber link for the wireless distribution of 3-Gb/s uncompressed HD video (invited paper) 一种用于无线分发3gb /s未压缩高清视频的光纤无线链路(特邀论文)
7th International Conference on Communications and Networking in China Pub Date : 2012-08-01 DOI: 10.1109/ChinaCom.2012.6417447
S. Pan, Z. Tang
{"title":"A radio over fiber link for the wireless distribution of 3-Gb/s uncompressed HD video (invited paper)","authors":"S. Pan, Z. Tang","doi":"10.1109/ChinaCom.2012.6417447","DOIUrl":"https://doi.org/10.1109/ChinaCom.2012.6417447","url":null,"abstract":"A radio over fiber link for the wireless distribution of 3-Gb/s uncompressed HD video is developed. The power fading caused by the dispersion of the optical fiber is effectively reduced by using a polarization modulator (PolM) in the transmitter. In the receiver, an injection-locked frequency-doubling optoelectronic oscillator (OEO) is employed to simultaneously extract the RF carrier and perform photonic microwave downconversion. The system features simple configuration, high performance and stable operation.","PeriodicalId":143739,"journal":{"name":"7th International Conference on Communications and Networking in China","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132006868","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
An OOK based visible light communication system for short distance 一种基于OOK的短距离可见光通信系统
7th International Conference on Communications and Networking in China Pub Date : 2012-08-01 DOI: 10.1109/ChinaCom.2012.6417496
Ning Hao, Minglun Zhang, Yang'an Zhang
{"title":"An OOK based visible light communication system for short distance","authors":"Ning Hao, Minglun Zhang, Yang'an Zhang","doi":"10.1109/ChinaCom.2012.6417496","DOIUrl":"https://doi.org/10.1109/ChinaCom.2012.6417496","url":null,"abstract":"An OOK based visible light communication system was developed without the use of blue filter, pre-distortion, and equalization techniques in order to decrease size and lower cost. The transmitter consists of a pattern generator, Bias-Tee, a power supply, and an illuminating LED. The receiver is comprised of a PD, a preamplifier, a clock and a data recovery (CDR) unit. A transmission rate of 10Mbps with 0 BER has been achieved without the above techniques and 25Mbps with 0 BER using a blue filter in front of the PD.","PeriodicalId":143739,"journal":{"name":"7th International Conference on Communications and Networking in China","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133981939","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: 9
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