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Energy-Efficient Communications and Interference Reduction in DS-CDMA Wireless Sensor LANs

Overview An Energy-Efficient DS-CDMA communication and modulation technique for reducing Multiple Access Interference (MAI) as well as for reducing power consumption in DS-CDMA wireless sensor LAN systems is presented. Source symbols are represented by a special coding, termed Minimum Energy coding (ME coding), which exploits redundant bits for saving power when transmitted via RF links with On-Off-Keying. Since, in OOK, energy is consumed mostly when high bits are transmitted, the ME coding represents source symbols with the least number of high bits, given an extended word length. This ME coding is applied to DS-CDMA sensor network systems in order to reduce MAI as well as to reduce power consumption.

Further White Paper Details
Publisher	Massachusetts Institute of Technology	File Format	PDF
Date Published	June 2003	Downloads	1
Format	White Papers
Topics	Mobile - Wireless Communications, Bluetooth, TDMA - CDMA

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