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2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications最新文献

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Impulse Symbol Based Channel Estimation in OFDM Systems 基于脉冲符号的OFDM系统信道估计
2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2006-12-11 DOI: 10.1109/PIMRC.2006.254364
Namseok Chang, Joonhyuk Kang
{"title":"Impulse Symbol Based Channel Estimation in OFDM Systems","authors":"Namseok Chang, Joonhyuk Kang","doi":"10.1109/PIMRC.2006.254364","DOIUrl":"https://doi.org/10.1109/PIMRC.2006.254364","url":null,"abstract":"In real wireless environments, perfect channel state information is not available at the receiver. Thus, to obtain an accurate channel information, channel estimation is an important issue in the wireless communication systems. In general, pilot symbols are used to obtain channel information. In this paper, we propose a channel estimation technique exploiting impulse symbol for OFDM systems. Our proposed technique estimates the channel impulse response directly at the receiver in time-frequency-selective fading channels and yields better bit error rate (BER) performance than existing channel estimation methods","PeriodicalId":325797,"journal":{"name":"2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114955972","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
Minimal Cost Planning of DVB-H Networks on Existing Wireless Infrastructure 现有无线基础设施上DVB-H网络的最小成本规划
2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2006-12-11 DOI: 10.1109/PIMRC.2006.254092
D. Gómez-Barquero, A. Bria, J. Monserrat, N. Cardona
{"title":"Minimal Cost Planning of DVB-H Networks on Existing Wireless Infrastructure","authors":"D. Gómez-Barquero, A. Bria, J. Monserrat, N. Cardona","doi":"10.1109/PIMRC.2006.254092","DOIUrl":"https://doi.org/10.1109/PIMRC.2006.254092","url":null,"abstract":"This paper addresses the problem of efficient planning DVB-H networks assuming that the existing broadcasting and cellular infrastructure can be used in the network deployment. The planning objective consists in deciding which existing cellular sites should be used jointly with the broadcasting towers in a minimum cost deployment. A multi-objective genetic algorithm has been utilized to seek minimum cost network configurations as a function of the area coverage level. We investigate the achievable cost savings offered by a hybrid infrastructure compared to using only the existing broadcasting towers and the cellular sites separately","PeriodicalId":325797,"journal":{"name":"2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115356357","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: 22
Blind Frequency Estimation for Short 16 QAM Radio Burst 短波16 QAM射电突发的盲频估计
2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2006-12-11 DOI: 10.1109/PIMRC.2006.253946
M. Terré, N. Paul, L. Féty
{"title":"Blind Frequency Estimation for Short 16 QAM Radio Burst","authors":"M. Terré, N. Paul, L. Féty","doi":"10.1109/PIMRC.2006.253946","DOIUrl":"https://doi.org/10.1109/PIMRC.2006.253946","url":null,"abstract":"This paper addresses the problem of the fine frequency synchronisation for the case of a radio-mobile transmission using a short radio burst with P-ary QAM symbols. In such a case the preamble, required by the frequency synchronisation algorithm, must be as short as possible and it could eventually be avoided. A new blind frequency synchronisation algorithm is then proposed in this paper","PeriodicalId":325797,"journal":{"name":"2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116428805","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
Proposal of Multi-Hop Wireless LAN System for QOS Guaranteed Transmission 面向QOS保证传输的多跳无线局域网系统的设计
2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2006-12-11 DOI: 10.1109/PIMRC.2006.254143
P. Kieu, S. Miyamoto
{"title":"Proposal of Multi-Hop Wireless LAN System for QOS Guaranteed Transmission","authors":"P. Kieu, S. Miyamoto","doi":"10.1109/PIMRC.2006.254143","DOIUrl":"https://doi.org/10.1109/PIMRC.2006.254143","url":null,"abstract":"The widespread use of multimedia networking applications has created the need for QoS support in the WLAN systems. The coverage area of WLAN systems is limited, so multi-hop WLAN system is considered to be one of the solutions. However, in home or office environments, due to the multipath propagation effect, the performance of multi-hop WLAN system is degraded. Therefore, QoS guarantee in multi-hop WLAN systems is still difficult. This paper proposes a multi-hop WLAN system for QoS guarantee by using channel estimation to select the appropriate transmission rate and giving optimum transmission opportunity to stations. The numerical simulation results show that by using the proposed system, QoS transmission can be guaranteed over a wide coverage area","PeriodicalId":325797,"journal":{"name":"2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"NS34 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116551523","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
Aggressive Subchannel Allocation Algorithm for Efficient Dynamic Channel Allocation in Multi-User OFDMA System 多用户OFDMA系统中高效动态信道分配的主动子信道分配算法
2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2006-12-11 DOI: 10.1109/PIMRC.2006.253975
SangJun Ko, Joo Heo, K. Chang
{"title":"Aggressive Subchannel Allocation Algorithm for Efficient Dynamic Channel Allocation in Multi-User OFDMA System","authors":"SangJun Ko, Joo Heo, K. Chang","doi":"10.1109/PIMRC.2006.253975","DOIUrl":"https://doi.org/10.1109/PIMRC.2006.253975","url":null,"abstract":"This paper solves the problem of finding an intelligent subchannel allocation method to communicate with multiple users in OFDMA wireless systems. We propose an ASA (aggressive sub-channel allocation) algorithm, which is an intelligent dynamic channel allocation algorithm considering all users' channel state information conditionally to maximize throughput in an OFDMA system. We compare the ASA algorithm with round-robin, PF (proportional fair) and ACG (amplitude craving greedy) in the 2-tier cell environment and then analyze the performance of each algorithm through computer simulation in downlink OFDMA system. Simulation results show that the proposed ASA algorithm gets 24 %, 16 % and 14 % better ring throughput compared with the round-robin, PF and ACG, respectively","PeriodicalId":325797,"journal":{"name":"2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116558199","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: 14
PHY Level Modelling for Network Simulations: Strategies, Approximations and Costs 网络仿真的物理层模型:策略，近似和成本
2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2006-12-11 DOI: 10.1109/PIMRC.2006.254271
A. Bazzi, G. Pasolini
{"title":"PHY Level Modelling for Network Simulations: Strategies, Approximations and Costs","authors":"A. Bazzi, G. Pasolini","doi":"10.1109/PIMRC.2006.254271","DOIUrl":"https://doi.org/10.1109/PIMRC.2006.254271","url":null,"abstract":"In this paper several strategies are presented aimed at reducing the burden of physical level simulations within the context of network simulations, and their characteristics are discussed, both in terms of time efficiency and accuracy. The simulation of an IEEE802.11a network is also presented as a case study in order to highlight the peculiarities of each strategy and the impact on accuracy of correlation in both the time and frequency domains","PeriodicalId":325797,"journal":{"name":"2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122412460","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: 4
DFT Spread Generalized Multi-Carrier Scheme for Broadband Mobile Communications 宽带移动通信中的DFT扩展广义多载波方案
2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2006-12-11 DOI: 10.1109/PIMRC.2006.254321
Xiaodong Zhang, Mingqi Li, Honglin Hu, Haifeng Wang, Bin Zhou, X. You
{"title":"DFT Spread Generalized Multi-Carrier Scheme for Broadband Mobile Communications","authors":"Xiaodong Zhang, Mingqi Li, Honglin Hu, Haifeng Wang, Bin Zhou, X. You","doi":"10.1109/PIMRC.2006.254321","DOIUrl":"https://doi.org/10.1109/PIMRC.2006.254321","url":null,"abstract":"A DFT spread generalized multi-carrier (GMC) based frequency division multiple access (FDMA) scheme, i.e. DFT-S-GMC, is proposed for uplink transmission of wideband mobile communication systems. The scheme achieves spreading gains in the frequency-domain by discrete Fourier transform (DFT), and the frequency division multiplexing (FDM) and FDMA by inverse filter-bank transform (IFBT). By theoretical analysis and simulation results, it is shown that the proposed scheme has good peak-to-average power ratio (PAPR) performance and is more robust to the multi-access interference (MAI) than the existed main stream uplink schemes, e.g. OFDMA and DFT-S-OFDMA scheme","PeriodicalId":325797,"journal":{"name":"2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114470645","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
On The Effect of Channel-Aware Scheduling to CDMA Uplink Capacity 信道感知调度对CDMA上行容量的影响
2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2006-12-11 DOI: 10.1109/PIMRC.2006.254323
Kati Tenhonen, Jyri Hämäläinen, R. Wichman, K. Horneman
{"title":"On The Effect of Channel-Aware Scheduling to CDMA Uplink Capacity","authors":"Kati Tenhonen, Jyri Hämäläinen, R. Wichman, K. Horneman","doi":"10.1109/PIMRC.2006.254323","DOIUrl":"https://doi.org/10.1109/PIMRC.2006.254323","url":null,"abstract":"We show that channel-aware scheduling can significantly improve the capacity of CDMA uplink when compared to round robin scheduling. Using both analysis and simulations we quantify the capacity increase due to channel-aware scheduling in terms of reduction in intercell interference. The scheduling approaches can be used, e.g., within the current cdma2000 and WCDMA systems. Finally, we demonstrate that soft handover reduces the benefit from channel-aware scheduling and base station antenna gain properties are important for the scheduling performance","PeriodicalId":325797,"journal":{"name":"2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114486209","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
An Indoor Location Algorithm Based on Taylor Series Expansion and Maximum Likelihood Estimation 基于泰勒级数展开和极大似然估计的室内定位算法
2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2006-12-11 DOI: 10.1109/PIMRC.2006.254079
Wei Ni, G. Shen, Xiaobing Leng, L. Gui
{"title":"An Indoor Location Algorithm Based on Taylor Series Expansion and Maximum Likelihood Estimation","authors":"Wei Ni, G. Shen, Xiaobing Leng, L. Gui","doi":"10.1109/PIMRC.2006.254079","DOIUrl":"https://doi.org/10.1109/PIMRC.2006.254079","url":null,"abstract":"With Taylor series expansion, the effect of indoor shadowing fading is approximate to additional Gaussian errors of measured propagation distances. Further the average of multiple measurements is expected to decrease the variance of the Gaussian errors. By this means, the key issue in wireless indoor location, large shadowing fading, can be handled. Both simulations and experimental results reveal that this algorithm is effective","PeriodicalId":325797,"journal":{"name":"2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117092473","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: 11
Performance Analysis and Optimization of TCP over Adaptive Wireless Links TCP自适应无线链路性能分析与优化
2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2006-12-11 DOI: 10.1109/PIMRC.2006.254091
Piergiuseppe Di Marco, C. Rinaldi, F. Santucci, K. Johansson, Niels Möller
{"title":"Performance Analysis and Optimization of TCP over Adaptive Wireless Links","authors":"Piergiuseppe Di Marco, C. Rinaldi, F. Santucci, K. Johansson, Niels Möller","doi":"10.1109/PIMRC.2006.254091","DOIUrl":"https://doi.org/10.1109/PIMRC.2006.254091","url":null,"abstract":"This paper proposes an analytical framework for performance evaluation of TCP (transport control protocol) over adaptive wireless links. Specifically, we include adaptation of power, modulation format and error recovery strategy, and incorporate some features of wireless fading channels. This framework is then used to pursue joint optimization through maximization of an objective functional, that expresses a trade-off between achievable throughput and energy costs. A set of numerical results is reported, and it is seen that hybrid ARQ schemes may provide significant benefits in the optimization framework","PeriodicalId":325797,"journal":{"name":"2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129581812","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
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