NDLI: Cognitive power line communication system for multiple channel access

Content Provider	IEEE Xplore Digital Library
Author	Ser Wah Oh Ying Lay Chiu Khian Nam Ng Ronghong Mo Yinghui Ma Yonghong Zeng Syed Naveen, A.A.
Copyright Year	2009
Description	Author affiliation: Institute for Infocomm Research (I2R), 1 Fusionopolis Way, Connexis, Singapore 138632 (Ser Wah Oh; Ying Lay Chiu; Khian Nam Ng; Ronghong Mo; Yinghui Ma; Yonghong Zeng; Syed Naveen, A.A.)
Abstract	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.
Starting Page	47
Ending Page	52
File Size	804540
Page Count	6
File Format	PDF
ISBN	9781424437900
DOI	10.1109/ISPLC.2009.4913402
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-03-29
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power line communications Programmable control Multiaccess communication Frequency conversion Chromium Quality of service Attenuation measurement Power measurement Impedance Transfer functions multiple channel access Cognitive power line communications (PLC)
Content Type	Text
Resource Type	Article

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