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2009 IEEE International Symposium on Power Line Communications and Its Applications最新文献

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Broadband over Powerline field trial for commercial in-building application in a Multi-Dwelling-Unit environment 电力线宽带在多住宅单元环境下的商业建筑应用现场试验
Pub Date : 2009-05-08 DOI: 10.1109/ISPLC.2009.4913454
Y. Yang, C. Arteaga
this paper presents the results of a twelve month Broadband over Powerline (BPL) in-building trial in a Multi-Dwelling Unit (MDU) environment utilizing the building's low voltage electric distribution wiring for the BPL system transport medium to support an IP Closed Circuit Television (CCTV) and VoIP Intercom application. Specifically, the BPL infrastructure for this trial was designed to provide high speed bi-directional data communications in support of voice and video security applications for a sixteen story residential building with over one hundred apartments. The BPL system has been extensively monitored during the trial over a five month period with a network management system and has been highly stable, indicating a viable network solution using this technology for broadband applications such as CCTV and Intercom. In contrast to traditional CAT-5E cabling, this system had a much shorter implementation time along with up to 50% cost savings.
本文介绍了在多住宅单元(MDU)环境中进行的为期12个月的电力线宽带(BPL)室内试验的结果,该试验利用建筑物的低压配电线路作为BPL系统传输介质,以支持IP闭路电视(CCTV)和VoIP对讲应用。具体来说,该试验的BPL基础设施旨在为一座拥有100多套公寓的16层住宅楼提供高速双向数据通信,以支持语音和视频安全应用。在长达5个月的试验期间,BPL系统与网络管理系统进行了广泛的监测,并且高度稳定,表明将该技术用于宽带应用(如闭路电视和对讲机)是可行的网络解决方案。与传统的CAT-5E布线相比,该系统的实施时间要短得多,成本节省高达50%。
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引用次数: 7
SAMBA project: Performance analysis of PLC network as return channel for interactive digital television applications SAMBA项目:PLC网络作为交互式数字电视应用的返回信道的性能分析
Pub Date : 2009-05-08 DOI: 10.1109/ISPLC.2009.4913453
E. I. Polo, R. Maia, M. Martucci, A. Hirakawa
This paper presents an analysis of the network traffic generated by different interactive digital television applications using PLC as return channel on the context of SAMBA project. The analysis is conducted through the evaluation of performance of PLC compared to traditional IP network. The setup considers usual PLC network with presence of noise generated by electrical devices. It was evaluated the connection between the repeater and PLC modem (i.e. low voltage scenario), since the rest of transmission between server and repeater was done by the Internet (traditional Ethernet connection). As results, the impacts of those disturbances on the quality of service and on the usability of the applications are evaluated.
本文以SAMBA项目为背景,分析了以PLC为返回信道的不同交互式数字电视应用程序所产生的网络流量。通过对PLC与传统IP网络的性能比较进行分析。该设置考虑了通常的PLC网络,并考虑了电气设备产生的噪声。它评估了中继器和PLC调制解调器之间的连接(即低压场景),因为服务器和中继器之间的其余传输是通过互联网(传统的以太网连接)完成的。结果,评估了这些干扰对服务质量和应用程序可用性的影响。
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引用次数: 1
Bottom-up transfer function generator for broadband PLC statistical channel modeling 自底向上传递函数生成器用于宽带PLC统计信道建模
Pub Date : 2009-05-08 DOI: 10.1109/ISPLC.2009.4913395
A. Tonello, T. Zheng
We follow a bottom-up approach for modelling the channel transfer function aiming at realizing a fast statistical channel simulator. The simulator is derived from transmission line theory. It computes the transfer function via a fast procedure that calculates the voltage ratio between the receiver port and the transmitter port given a real or randomly generated network topology. The approach allows not only taking into account the cable characteristics, the number and length of branches, but also the effect of loads. In particular the effect of time-variant loads that cause the channel transfer function to be time-variant.
我们采用自底向上的方法对信道传递函数进行建模,旨在实现快速统计信道模拟器。该模拟器是由传输线理论推导而来的。它通过一个快速的程序来计算传递函数,该程序计算给定真实或随机生成的网络拓扑中接收端口和发送端口之间的电压比。该方法不仅可以考虑电缆的特性、分支的数量和长度,还可以考虑负载的影响。特别是时变载荷的影响,使信道传递函数时变。
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引用次数: 73
A novel power line network architecture for managing the energy resources of the residential environment 一种用于住宅环境能源管理的新型电力线网络架构
Pub Date : 2009-05-08 DOI: 10.1109/ISPLC.2009.4913431
S. Tompros, Nikolaos P. Mouratidis, H. Hrasnica, Michael Caragiozidis
Given the energy waste problem and the consequent need for energy optimal use, this paper presents a novel network architecture able to perform real time management of the energy consumed by household appliances. Deploying the recent KNX power line communication technology, the proposed architecture performs three main functions; monitoring of the energy consumed by household devices for metering purposes, management of household devices so that the energy they consume is kept within user-defined limits and management of standby devices for minimal energy consumption.
考虑到能源浪费问题以及随之而来的能源优化利用需求,本文提出了一种能够实时管理家用电器能耗的新型网络架构。该架构采用了最新的KNX电力线通信技术,主要实现三个功能;监察家用设备的耗电量,以作计量用途;管理家用设备,使其耗电量控制在用户设定的范围内;管理备用设备,以尽量减少耗电量。
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引用次数: 11
Cognitive power line communication system for multiple channel access 多通道接入的认知电力线通信系统
Pub Date : 2009-05-08 DOI: 10.1109/ISPLC.2009.4913402
S. W. Oh, Ying Lay Chiu, K. N. Ng, Ronghong Mo, Yinghui Ma, Yonghong Zeng, A. A. Syed Naveen
Current carrier-sense multiple access (CSMA) scheme only allows single transmission in power line channel at any one time although the channel might not be fully occupied. In this paper, we propose cognitive power line communication (CPLC) systems where the CPLC devices are able to utilize the unused spectrum. When applying CPLC using orthogonal frequency division multiple access (OFDMA), it could dynamically allocate subcarriers to different users in the system for simultaneous transmissions. Three CPLC schemes are designed and their performances are compared against Homeplug 1.0 system under different application scenarios. The simulation results clearly show that one of the proposed schemes consistently outperforms Homeplug 1.0 under all simulated application scenarios without compromising quality of service for primary users. With the good results obtained, we are convinced that OFDMA can be applied onto CPLC system.
当前的载波感应多址(CSMA)方案在电力线信道可能未被完全占用的情况下,只允许在任何时刻在电力线信道上进行单次传输。在本文中,我们提出认知电力线通信(CPLC)系统,其中CPLC设备能够利用未使用的频谱。采用正交频分多址(OFDMA)技术的CPLC可以动态地为系统中的不同用户分配子载波,实现同时传输。设计了三种plc方案,并与Homeplug 1.0系统在不同应用场景下的性能进行了比较。仿真结果清楚地表明,在所有模拟应用场景下,所提出的方案之一在不影响主要用户服务质量的情况下始终优于Homeplug 1.0。实验结果表明,OFDMA技术可以应用于plc系统。
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引用次数: 20
Physical layer certification system of power line communication Korea standard 电力线通信物理层认证体系韩国标准
Pub Date : 2009-05-08 DOI: 10.1109/ISPLC.2009.4913451
Seung-Sik Eom, Hui-Myoung Oh, Taehyun Jeon, Younggyun Kim, Jae-Jo Lee, Sungsoo Choi, Young-Chai Ko
In this paper we present the physical layer (PHY) MODEM certification system of the power line communication Korea standard (PLC-KS). The PLC-KS is basically very similar to the U.S. PLC standard, Home-Plug1.0, except that bit loading is used in the PLC-KS. However, similar to Home-Plug1.0, the discrete multi-tone (DMT) with differential phase shift keying and the frequency diversity are also adopted to improve the link reliability. Based on this PLC-KS, we develop the PHY MODEM certification system where we check if the MODEM provided by the chip manufactures conforms to the standard. For this purpose we propose the following three different certifications: 1) preamble certification, 2) control and data frame certification, and 3) wave-shaping certification, which are strictly enough to confirm if the manufactured MODEM conforms to the PLC-KS. Although our certification system is based on the PLC-KS, its methodology can be extended to the communication chips manufactured based on other communication standards.
本文介绍了电力线通信韩国标准(PLC-KS)的物理层(PHY) MODEM认证系统。PLC- ks基本上与美国PLC标准Home-Plug1.0非常相似,只是在PLC- ks中使用了位加载。但是,与Home-Plug1.0类似,采用差分相移键控的离散多音(DMT)和频率分集来提高链路可靠性。基于该PLC-KS,我们开发了PHY MODEM认证系统,检查芯片制造商提供的MODEM是否符合标准。为此,我们提出以下三种不同的认证:1)前置认证,2)控制和数据帧认证,3)波形认证,这些认证严格到足以确认制造的MODEM是否符合PLC-KS。虽然我们的认证体系是基于PLC-KS,其方法可以扩展到基于其他通信标准制造的通信芯片。
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引用次数: 2
Measurement study and transmission for in-vehicle power line communication 车载电力线通信的测量研究与传输
Pub Date : 2009-05-08 DOI: 10.1109/ISPLC.2009.4913407
Milad Mohammadi, L. Lampe, M. Lok, S. Mirabbasi, M. Mirvakili, Roberto Rosales, P. V. Veen
In-vehicle power line communication (PLC) holds great promises as an enabler of in-vehicle communication without increasing weight, volume, or cost of the wiring harnesses. In this paper, we join a few recent works and present channel measurements for a specific compact car. We discuss and compare our measurement results with those obtained in previous campaigns. Furthermore, we evaluate our measurements from the viewpoint of high connectivity. That is, we are interested in the suitability of PLC for applications that require a reliable link from any node to any other node at any time. Perhaps not surprisingly, we find that advanced transmission techniques such as multihop or frequency diversity are necessary to achieve this goal.
车载电力线通信(PLC)作为车载通信的推动者,在不增加线束重量、体积或成本的情况下,前景广阔。在本文中,我们加入了一些最近的工作,并提出了一种特定的紧凑型汽车的通道测量。我们讨论并比较了我们的测量结果与以前的运动。此外,我们从高连通性的角度评估了我们的测量结果。也就是说,我们感兴趣的是PLC是否适合于需要在任何时间从任何节点到任何其他节点的可靠链接的应用程序。也许并不奇怪,我们发现先进的传输技术,如多跳或频率分集是实现这一目标所必需的。
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引用次数: 96
Measurement and simulation of powerline channel using OFDM for UWB communication 利用OFDM进行UWB通信的电力线信道测量与仿真
Pub Date : 2009-05-08 DOI: 10.1109/ISPLC.2009.4913408
Shuxian Chen, Xiao-dong Chen, C. Parini
This paper presents the study of the UWB (Ultra Wideband) transmission characteristics over household powerline in a very high frequency band, from 50 MHz to 550 MHz. The characteristics of indoor powerline channels are examined for its use in UWB Communication in both measurements and software simulations. Firstly, broadband channel characteristics are measured in both frequency and time domain, followed by system level simulation of BER performance versus 0 / b E N . This paper presents a concept of utilising the MB-OFDM UWB model for broadband powerline communication. Results indicate that high data rate transmission is possible, by exploiting the powerline channel for UWB signal transmission in 50 – 500 MHz.
本文研究了家用电力线在50 ~ 550 MHz频段的超宽带(UWB)传输特性。对室内电力线信道在超宽带通信中的应用特性进行了测试和软件仿真。首先,在频域和时域测量宽带信道特性,然后在系统级对0 / b E - N下的误码率性能进行仿真。本文提出了一种利用MB-OFDM超宽带模型进行宽带电力线通信的概念。结果表明,利用电力线信道在50 ~ 500mhz范围内传输超宽带信号,实现了高数据速率传输。
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引用次数: 15
Time Reuse algorithms: A novel approach to solving the issue of scalability in dense power line networks 时间复用算法:解决密集电力线网络可扩展性问题的一种新方法
Pub Date : 2009-05-08 DOI: 10.1109/ISPLC.2009.4913412
S. Galli, Y. Masuda, Yoshio Urabe
The power line (PL) channel is a shared medium and channel capacity is shared among a set of users. As the number of network nodes (users) increases, each user experiences a reduction in the available throughput. Although the issue of throughput maximization in point-to-point PL links has been vastly addressed in the PL literature, very little has been done to this date on the problem of network throughout reduction as the number of PL network nodes increases. This paper address for the first time this issue and proposes algorithms that allow Time Reuse (TR), i.e. the capability of nodes to detect when it is possible to transmit simultaneously to other neighboring devices without causing harmful interference to each other. A TR algorithm is here presented and simulations results confirm its effectiveness in ensuring scalability as the number of network nodes in the network increase.
电力线(PL)信道是一种共享介质,信道容量在一组用户之间共享。随着网络节点(用户)数量的增加,每个用户的可用吞吐量都会减少。虽然点对点PL链路的吞吐量最大化问题已经在PL文献中得到了广泛的解决,但到目前为止,随着PL网络节点数量的增加,网络吞吐量减少的问题已经做得很少。本文首次解决了这个问题,并提出了允许时间重用(TR)的算法,即节点检测何时可能同时传输到其他相邻设备而不会对彼此造成有害干扰的能力。本文提出了一种TR算法,仿真结果证实了该算法在保证网络节点数量增加时的可扩展性方面的有效性。
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引用次数: 8
Narrowband interference wave immunity characteristics of high-speed PLC with Wavelet-OFDM 基于小波ofdm的高速PLC窄带干扰抗扰特性
Pub Date : 2009-05-08 DOI: 10.1109/ISPLC.2009.4913414
K. Nakagawa, S. Hosoya, M. Tokuda, Yuji Igata
In this paper, we measured the interference immunity characteristics of high-speed PLC modem using Wavelet-OFDM when the narrowband conducted interference signal was injected, and also calculated them by the computer simulation using MATLAB/ Simulink. As the results, it was clear that (1) measured PHY rate at the all frequency band hardly decreased in C/I of more than −10dB, but began to decrease rapidly in C/I of less than −30dB when the interference signal was injected in the frequency band of PLC signal, (2) when C/I became −60dB, the measured PHY rate at the frequency existing the notch band were improved around 10Mbps than that at the frequency not existing the notch band, (3) when the narrowband interference wave was injected outside of PLC frequency band, the measured PHY rate did not decrease than that in each notch band, (4) calculated PHY rate at the frequency existing the notch band were improved around 10Mbps than that at the frequency not existing the notch band, when C/I became below −10dB. Therefore, it was revealed that Wavelet-OFDM PLC system had good interference immunity characteristics.
本文采用小波ofdm技术测量了高速PLC调制解调器在注入窄带传导干扰信号时的抗干扰特性,并利用MATLAB/ Simulink进行了计算机仿真计算。结果表明:(1)当C/I大于- 10dB时,在所有频段测量到的PHY速率几乎没有下降,但当干扰信号注入PLC信号的频段时,在C/I小于- 30dB时,PHY速率开始迅速下降;(2)当C/I为- 60dB时,存在陷波带频率的PHY速率比不存在陷波带频率的PHY速率提高了10Mbps左右;(3)在PLC频段外注入窄带干扰波时,实测PHY速率不低于各陷波带;(4)当C/I小于- 10dB时,存在陷波带频率下的计算PHY速率比不存在陷波带频率下的计算PHY速率提高约10Mbps。结果表明,小波- ofdm PLC系统具有良好的抗干扰性能。
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引用次数: 1
期刊
2009 IEEE International Symposium on Power Line Communications and Its Applications
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