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2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)最新文献

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Vertex-linked infrastructure for ad hoc networks 用于自组织网络的顶点链接基础设施
2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1370894
V. Li
{"title":"Vertex-linked infrastructure for ad hoc networks","authors":"V. Li","doi":"10.1109/PIMRC.2004.1370894","DOIUrl":"https://doi.org/10.1109/PIMRC.2004.1370894","url":null,"abstract":"An ad hoc network is composed of geographically dispersed nodes that may move arbitrarily and communicate with each other without the support of a stationary infrastructure. Compared with a wireless network with a stationary infrastructure, such as a cellular network, an ad hoc network is inherently less efficient. Therefore, a number of proposals have been made to develop a quasi-stationary infrastructure for ad hoc networks. However, the dynamic nature of ad hoc networks makes it very costly to maintain such an infrastructure. The article proposes a vertex-linked infrastructure (VLI) for ad hoc networks. This novel approach uses an easily deployable, survivable, wired infrastructure as a backbone of the ad hoc network, thus realizing the advantages of an infrastructure in wireless communications, but without the overhead due to maintaining such an infrastructure.","PeriodicalId":201962,"journal":{"name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114413109","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
Multiuser detection algorithm based on iterative interference cancellation for MC-MFSK systems 基于迭代干扰抵消的MC-MFSK系统多用户检测算法
2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1368853
Zhan Yu, C. C. Chai, T. Tjhung
{"title":"Multiuser detection algorithm based on iterative interference cancellation for MC-MFSK systems","authors":"Zhan Yu, C. C. Chai, T. Tjhung","doi":"10.1109/PIMRC.2004.1368853","DOIUrl":"https://doi.org/10.1109/PIMRC.2004.1368853","url":null,"abstract":"We propose a multi-user detection (MUD) based on iterative interference cancellation (UC) for a multiple-access multi-carrier M-ary frequency-shift-keying (MC-MFSK) system. The MC-MFSK is a new multiple-access technique with the desirable properties of frequency diversity and near-far resistance. The error performance of MC-MFSK system with the IIC-based MUD algorithm is studied over noise-free and Rayleigh fading channels. Both analytical and simulation results are presented, and it will be shown that the IIC-based MUD algorithm can be easily implemented and improve system performance considerably.","PeriodicalId":201962,"journal":{"name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114721088","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
Novel design of high capacity Bluetooth access point with collision avoidance scheduling 基于避碰调度的大容量蓝牙接入点设计
2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1370844
Zhifeng Jiang, Victor C. M. Leung
{"title":"Novel design of high capacity Bluetooth access point with collision avoidance scheduling","authors":"Zhifeng Jiang, Victor C. M. Leung","doi":"10.1109/PIMRC.2004.1370844","DOIUrl":"https://doi.org/10.1109/PIMRC.2004.1370844","url":null,"abstract":"Bluetooth access points (BAP) allow Bluetooth devices to access the Internet via wireline facilities. The capacity of a BAP is limited by the data rate and number of active slaves supported by each Bluetooth piconet. The paper presents a novel design of a high capacity BAP employing multiple transceivers to support several piconets, and a common baseband processor implementing a collision avoidance scheduling (CAS) algorithm to minimize the detrimental effects of interference between collocated piconets. Numerical results are presented to illustrate the effectiveness of the proposed CAS algorithm in increasing the throughput of the BAP compared to a BAP that does not employ CAS.","PeriodicalId":201962,"journal":{"name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117026520","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
A CMOS frequency synthesizer with selfbiasing current source for a 5-GHz wireless LAN receiver 用于5ghz无线局域网接收器的CMOS自偏置电流源频率合成器
2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1368326
C. Quemada, J. Mendizabal, J. Presa, I. Adin, J. Legarda, G. Bistué
{"title":"A CMOS frequency synthesizer with selfbiasing current source for a 5-GHz wireless LAN receiver","authors":"C. Quemada, J. Mendizabal, J. Presa, I. Adin, J. Legarda, G. Bistué","doi":"10.1109/PIMRC.2004.1368326","DOIUrl":"https://doi.org/10.1109/PIMRC.2004.1368326","url":null,"abstract":"In this work, an integrated 3.2 GHz phase locked loop (PLL) with a selfbiasing current source is presented. The circuit has been designed using a 3.3 V 0.18/spl mu/m CMOS technology. The synthesizer consumes 55 mW of which 20 mW is consumed by the VCO. The PLL has a bandwidth of 100 KHz and a phase noise of -111 dBc/Hz at 1 MHz offset frequency. The spurious sidebands at the center of adjacent channels are less than -70 dBc. These results made the circuit suitable inside a 5 GHz wireless LAN receiver.","PeriodicalId":201962,"journal":{"name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116187343","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
Capacity studies of MIMO channel models based on the geometrical one-ring scattering model 基于几何单环散射模型的MIMO信道模型容量研究
2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1368272
B. O. Hogstad, M. Pätzold
{"title":"Capacity studies of MIMO channel models based on the geometrical one-ring scattering model","authors":"B. O. Hogstad, M. Pätzold","doi":"10.1109/PIMRC.2004.1368272","DOIUrl":"https://doi.org/10.1109/PIMRC.2004.1368272","url":null,"abstract":"Simulation results for the capacity of multiple-input multiple-output (MIMO) mobile radio channels are presented in this paper. Our MIMO channel simulation model is based on the so-called one-ring scattering model with two antennas at both the base station (BS) and the mobile station (MS) side. For the capacity study, we have investigated the influence of various model parameters, such as the angle spread at the MS, the mean angle of arrival (AOA), and the orientation of the antenna elements. The Doppler effect is also taken into account. Nonisotropic scattering around the MS is modelled by the von Mises distribution. The presented simulation results show an excellent correspondence between the statistical and the time average of the capacity. Furthermore, it turned out that a large distance between the antenna elements is not a guarantee for high capacity. Simulation results are also provided for the level crossing rate (LCR) and the average duration of fades (ADF) of the MIMO channel capacity.","PeriodicalId":201962,"journal":{"name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123500202","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: 25
The cost of an abstraction layer on FPGA devices for software radio applications 用于软件无线电应用的FPGA器件抽象层的成本
2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1368337
X. Revés, V. Marojevic, A. Gelonch, R. Ferrús
{"title":"The cost of an abstraction layer on FPGA devices for software radio applications","authors":"X. Revés, V. Marojevic, A. Gelonch, R. Ferrús","doi":"10.1109/PIMRC.2004.1368337","DOIUrl":"https://doi.org/10.1109/PIMRC.2004.1368337","url":null,"abstract":"Software radio applications require a framework to develop and deploy applications, especially those related to radio infrastructure. It is interesting that a given application may be executed on any software radio. But, since hardware platforms used in this context will have multiple architectures and devices, a software layer to make applications independent from hardware is mandatory. Ad-hoc software for a given hardware platform may produce the best software performance. Conversely, when software is not targeted to any concrete platform the lost of performance may be excessive and the overhead introduced by any platform-dependent library could become intolerable. In this paper the resource utilization of a software radio application using a simple hardware abstraction layer is studied and compared to an ad-hoc implementation to make an assessment of the introduced overhead. The particularity of the hardware abstraction layer is that it runs on a platform which only processors are FPGA devices.","PeriodicalId":201962,"journal":{"name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117195464","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: 3
Substitution of RS422 navigation sensor networks using Bluetooth communication for integrated bridges on vessels 用蓝牙通信替代RS422导航传感器网络用于船舶集成桥
2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1368877
Hans-Dieter Schütte, H. Naumann
{"title":"Substitution of RS422 navigation sensor networks using Bluetooth communication for integrated bridges on vessels","authors":"Hans-Dieter Schütte, H. Naumann","doi":"10.1109/PIMRC.2004.1368877","DOIUrl":"https://doi.org/10.1109/PIMRC.2004.1368877","url":null,"abstract":"A major application for Bluetooth communication is cable replacement. This paper proposes its application on vessel's integrated bridges that are characterized by numerous internal cables. Bluetooth is well suited for this application due to the use of the unlicensed ISM frequency band, network support, sufficient transmission capacity, robustness by using FHSS modulation and adequate coverage, even for a large bridge of up to 50 m. The translation of a typical ship's cabling into an adopted Bluetooth network is presented. For the efficient operation of the proposed configuration a new 'maritime profile' is proposed that allows an almost automatic network configuration and offers a standardised application interface.","PeriodicalId":201962,"journal":{"name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117286303","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: 2
Air interface recognition for a software radio system exploiting cyclostationarity 利用循环平稳性的软件无线电系统的空中接口识别
2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1368338
Mengüç Öner, F. Jondral
{"title":"Air interface recognition for a software radio system exploiting cyclostationarity","authors":"Mengüç Öner, F. Jondral","doi":"10.1109/PIMRC.2004.1368338","DOIUrl":"https://doi.org/10.1109/PIMRC.2004.1368338","url":null,"abstract":"Reconfigurable software radio equipment is seen as the key technology in the evolution of mobile communications. One of the most important properties of a software radio terminal is that it is capable of using a wide range of air interface standards, providing a seamless interoperability between different standards and an enhanced roaming capability. One of the key functions supporting this multimode operation is the air interface recognition. A Software radio terminal has to be capable of detecting, recognizing and monitoring the air interfaces available in the frequency environment. In our paper, we propose exploiting the distinct cyclostationary properties of different air interface signals as features for air interface recognition.","PeriodicalId":201962,"journal":{"name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124071306","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: 76
Joint adaptive transmitter/receiver IQ imbalance correction for OFDM systems OFDM系统联合自适应发送/接收IQ不平衡校正
2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1373950
Jian Lin, E. Tsui
{"title":"Joint adaptive transmitter/receiver IQ imbalance correction for OFDM systems","authors":"Jian Lin, E. Tsui","doi":"10.1109/PIMRC.2004.1373950","DOIUrl":"https://doi.org/10.1109/PIMRC.2004.1373950","url":null,"abstract":"Direct conversion architectures are increasingly popular as they enable lower implementation costs. However, the receiver is very sensitive to IQ imbalances in particular for complex modulation techniques such as 64-QAM and above typically used for high data rate transmission. Conventionally, this IQ imbalance is only corrected at the receiver while the imbalance at the remote transmitter is assumed to be pre-corrected. However, aging, manufacturability, and temperature variations can be difficult to calibrate and can result in performance degradation (e.g., range reduction, etc.). We propose an adaptive scheme in the receiver to correct the IQ imbalances at the remote transmitter as well as the receiver. The proposed scheme, as it jointly corrects the IQ imbalances, is therefore more robust than the earlier results.","PeriodicalId":201962,"journal":{"name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","volume":"526 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124493141","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: 26
FPGA implementation of 4/spl times/4 MIMO test-bed for spatial multiplexing systems 空间复用系统4/ sp1倍/4 MIMO试验台的FPGA实现
2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1368879
M. Cui, H. Murata, K. Araki
{"title":"FPGA implementation of 4/spl times/4 MIMO test-bed for spatial multiplexing systems","authors":"M. Cui, H. Murata, K. Araki","doi":"10.1109/PIMRC.2004.1368879","DOIUrl":"https://doi.org/10.1109/PIMRC.2004.1368879","url":null,"abstract":"Multiple input multiple output (MIMO) transmission techniques hold the potential of dramatically increasing the data rates and spectral efficiency of wireless communication systems. However, since multiple transmitters and receivers are required, a large number of channel emulators are also required for in-lab experiments, resulting in an increase in equipment cost. This paper describes an implementation of received signal generator for a 4/spl times/4 MIMO transmission in one FPGA chip which can be utilized as a real-time MIMO spatial multiplexing system test-bed. Our experimental results demonstrate that the CDF and channel correlations of emulated Rayleigh fading under this fading channel approach the theoretical values.","PeriodicalId":201962,"journal":{"name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124493677","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: 17
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