2011 8th International Symposium on Wireless Communication Systems最新文献

Transmit precoding scheme for ICI suppression and path diversity in FS-OFDM 一种用于信号抑制和路径分集的FS-OFDM传输预编码方案

2011 8th International Symposium on Wireless Communication Systems Pub Date : 2011-12-01 DOI: 10.1109/ISWCS.2011.6125330

H. Nishimura, M. Inamori, Y. Sanada, M. Ghavami

引用次数: 1

CORELA: A cooperative relaying enhanced link adaptation algorithm for IEEE 802.11 WLANs CORELA: IEEE 802.11 wlan的一种协作中继增强链路自适应算法

2011 8th International Symposium on Wireless Communication Systems Pub Date : 2011-11-06 DOI: 10.1109/ISWCS.2011.6125388

Li Li, D. Kaleshi, Z. Fan

引用次数: 4

A simple analytical model for Robust Header Compression in correlated wireless links 相关无线链路鲁棒报头压缩的简单解析模型

2011 8th International Symposium on Wireless Communication Systems Pub Date : 2011-11-06 DOI: 10.1109/ISWCS.2011.6125364

R. Hermenier, F. Rossetto, M. Berioli

引用次数: 7

Polar coding in networks: Known results and new directions 网络中的极性编码:已知结果和新方向

2011 8th International Symposium on Wireless Communication Systems Pub Date : 2011-11-01 DOI: 10.1109/ISWCS.2011.6125362

E. Abbe

引用次数: 0

Power allocation for cognitive ad hoc network with relay assisted primary link 基于中继辅助主链路的认知自组网功率分配

2011 8th International Symposium on Wireless Communication Systems Pub Date : 2011-11-01 DOI: 10.1109/ISWCS.2011.6125419

U. Wijewardhana, Nandana Rajatheva

引用次数: 1

Performance of IEEE 802.11n with time-frequency impairments over flat fading channels 在平坦衰落信道上具有时频损伤的IEEE 802.11n性能

2011 8th International Symposium on Wireless Communication Systems Pub Date : 2011-11-01 DOI: 10.1109/ISWCS.2011.6125382

R. Hoefel, A. Camara

引用次数: 2

Sector-based Radio Resource Management for SC-FDMA cellular systems 基于扇区的SC-FDMA蜂窝系统无线电资源管理

2011 8th International Symposium on Wireless Communication Systems Pub Date : 2011-11-01 DOI: 10.1109/ISWCS.2011.6125369

Javier Lafuente-Martinez, Á. Hernández-Solana, A. Valdovinos

引用次数: 2

Trellis detection for random lattices 随机格子的格子检测

2011 8th International Symposium on Wireless Communication Systems Pub Date : 2011-11-01 DOI: 10.1109/ISWCS.2011.6125450

F. A. Monteiro, F. Kschischang

{"title":"Trellis detection for random lattices","authors":"F. A. Monteiro, F. Kschischang","doi":"10.1109/ISWCS.2011.6125450","DOIUrl":"https://doi.org/10.1109/ISWCS.2011.6125450","url":null,"abstract":"In general, lattice problems are simple to describe but rather hard to solve optimally. Several suboptimal solutions have been proposed for the closest vector problem (CVP), which is central in multiple-input multiple-output (MIMO) communication systems. It is known that some lattices have a trellis representation, however, those lattices require very particular geometries that are not found in lattices randomly generated. In this paper we show that for the typical number of dimensions used in MIMO communication, with high probability, there exists a synthetic lattice that is a member of the family of lattices that have a trellis representation and which is sufficiently close to any given random lattice. For that purpose we present a method to find a trellis-oriented basis for a given random lattice. The basis vectors of the synthetic lattice and the basis vectors of the original lattice are close and for finite alphabets the two lattices are roughly the same in the region of interest. Therefore, the optimal decision (Voronoi) regions of both lattices chiefly overlap. A linear transformation then focuses the original lattice onto the synthetic one, known to have a trellis representation. This minimizes the distortion of the Voronoi regions associated with maximum-likelihood detection and therefore the performance attained in the MIMO-CVP is close to optimal.","PeriodicalId":414065,"journal":{"name":"2011 8th International Symposium on Wireless Communication Systems","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128499045","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

Performance evaluation of inter-cell interference coordination and cell range expansion in heterogeneous networks for LTE-Advanced downlink LTE-Advanced下行异构网络小区间干扰协调与小区范围扩展性能评价

2011 8th International Symposium on Wireless Communication Systems Pub Date : 2011-11-01 DOI: 10.1109/ISWCS.2011.6125281

Masashige Shirakabe, A. Morimoto, N. Miki

{"title":"Performance evaluation of inter-cell interference coordination and cell range expansion in heterogeneous networks for LTE-Advanced downlink","authors":"Masashige Shirakabe, A. Morimoto, N. Miki","doi":"10.1109/ISWCS.2011.6125281","DOIUrl":"https://doi.org/10.1109/ISWCS.2011.6125281","url":null,"abstract":"In Long-Term Evolution (LTE)-Advanced, heterogeneous networks where femtocells and picocells are overlaid onto macrocells are extensively discussed in addition to traditional well-planned macrocell deployment to improve further the system throughput. In heterogeneous network deployment, combined usage of inter-cell interference coordination (ICIC) and cell range expansion (CRE) is very effective in improving the system and cell-edge throughput. In this combined usage, the fraction of the sets of user equipment (UEs) connected to the picocells, which are controlled through CRE, and that connected to macrocells affect the gain from the ICIC. Therefore, this paper evaluates the performance of ICIC and CRE in picocell deployments in the LTE-Advanced downlink. Simulation results (4 picocells and 30 UEs are located within 1 macrocell) assuming a full buffer model show that when the CRE offset value is set between 8 to 20 dB, almost the same user throughput performance is obtained by allocating the appropriate resources to protect UEs that connect to the picocells.","PeriodicalId":414065,"journal":{"name":"2011 8th International Symposium on Wireless Communication Systems","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128353397","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: 71

Trellis based Extended Min-Sum for decoding nonbinary LDPC codes 基于网格的扩展最小和解码非二进制LDPC码

2011 8th International Symposium on Wireless Communication Systems Pub Date : 2011-11-01 DOI: 10.1109/ISWCS.2011.6125307

Erbao Li, K. Gunnam, D. Declercq

引用次数: 38