The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring.最新文献

User satisfaction models and scheduling algorithms for packet-switched services in UMTS UMTS中分组交换服务的用户满意度模型和调度算法

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. Pub Date : 2003-07-09 DOI: 10.1109/VETECS.2003.1207114

N. Enderle, X. Lagrange

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引用次数: 60

A study of 2.3 GHz bands propagation characteristic measured in Korea 韩国2.3 GHz频段传输特性研究

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. Pub Date : 2003-06-22 DOI: 10.1109/VETECS.2003.1207530

H. Son, Geun-sik Bae, Hung-Soo Lee

引用次数: 5

Time-frequency spread OFDM/FHMA 时频扩展OFDM/FHMA

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. Pub Date : 2003-04-22 DOI: 10.1109/VETECS.2003.1207827

K. Hamaguchi, L. Hanzo

引用次数: 3

Iterative cyclic prefix reconstruction for coded single-carrier systems with frequency-domain equalization (SC-FDE) 基于频域均衡的编码单载波系统迭代循环前缀重构

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. Pub Date : 2003-04-22 DOI: 10.1109/VETECS.2003.1207142

T. Hwang, Ye Li

引用次数: 51

An accurate heuristic approach for UMTS RLC delay statistics evaluation 一种精确的UMTS RLC延迟统计评估启发式方法

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. Pub Date : 2003-04-22 DOI: 10.1109/VETECS.2003.1208895

M. Rossi, M. Zorzi

引用次数: 4

An improved digital-IF transmitter architecture for highly-integrated W-CDMA mobile terminals 一种用于高集成度W-CDMA移动终端的改进数字中频发射机结构

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. Pub Date : 2003-04-22 DOI: 10.1109/VETECS.2003.1207845

V. Leung, L. Larson, P. Gudem

{"title":"An improved digital-IF transmitter architecture for highly-integrated W-CDMA mobile terminals","authors":"V. Leung, L. Larson, P. Gudem","doi":"10.1109/VETECS.2003.1207845","DOIUrl":"https://doi.org/10.1109/VETECS.2003.1207845","url":null,"abstract":"An improved digital-IF transmitter architecture for W-CDMA mobile terminals is proposed. Based on the heterodyne design but without requiring any off-chip IF filter, the transmitter enjoys the advantages of a homodyne architecture (such as circuit simplicity low power consumption and high level of integration) while avoiding the performance problems associated with direct up-conversion. By implementing the quadrature modulation in the digital domain, and requiring only a single path of analog baseband circuits, inherently perfect I/Q matching and good EVM (error vector magnitude) performance can be achieved. The intermediate frequency (IF) is chosen to be a quarter of the clock rate for very simple and low power digital modulator design. The difficulties of on-chip IF filtering were greatly alleviated by (a) performing a careful frequency planning, and (b) employing a special-purpose DAC to produce high-order sin(x)/x rolloff. System level simulation demonstrates that spurious-emission requirements are met with virtually no dedicated reconstruction filter circuits. This architecture takes full advantage of CMOS technology scaling by employing digital processing to ease analog complexities.","PeriodicalId":272763,"journal":{"name":"The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring.","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127165035","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: 5

Space-time block coded IQ-interleaved joint coding and modulation for AWGN and Rayleigh fading channels 空时分组编码iq交织联合编码与调制AWGN和瑞利衰落信道

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. Pub Date : 2003-04-22 DOI: 10.1109/VETECS.2003.1207852

S. Ng, L. Hanzo

引用次数: 2

Simple correlation canceling algorithm for space time block codes 时空分组码的简单相关消除算法

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. Pub Date : 2003-04-22 DOI: 10.1109/VETECS.2003.1207743

Jia Hou, M. Lee, Ju Yong Park

引用次数: 0

An exact analysis of the impact of fading correlation on the average level crossing rate and average outage duration of selection combining 准确分析了衰落相关对选择组合平均过电平率和平均停运时间的影响

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. Pub Date : 2003-04-22 DOI: 10.1109/VETECS.2003.1207539

Lin Yang, Mohamed-Slim Alouini

引用次数: 19

An analysis of mobile radio ad hoc networks using clustered architectures 使用集群架构的移动无线自组织网络分析

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. Pub Date : 2003-04-22 DOI: 10.1109/VETECS.2003.1207526

M. Skold, Yeongyoon Choi, J. Nilsson

引用次数: 3