In this paper, we propose a DSSS transmission scheme called T-ZCZ
(Three Zero Correlation Zone) Keying for indoor infrared
communications. This scheme can successfully remove inter-symbol
interference (ISI) incurred by multipath dispersion and improve
the system throughput drastically. We present the system modelling
and show that it can offer a better Bit-Error-Ratio(BER)
performance and higher data transmission rate, especially in
multipath infrared channels for multiple users.
In this paper, we present a novel M-ary modulation scheme enhanced
by zero correlation zone(ZCZ) sequences to attenuate the multipath
dispersion in the indoor infrared communication systems. It is
proved to offer a high speed infrared communication with good
bit-error-rate(BER) performance and bandwidth efficiency.
Wireless power transmission (WPT) has been proposed for many years and is expected to be one of the most promising power transmission style in the near future, especially in space power supply and emergency power recovery. The long distance WPT often enrolls the relay procedures and forms a power transmission network. In this paper, we talk about the wireless power transmission based on Ad Hoc networks. Meanwhile, the adaptive architecture and flexible deployment of WPT Ad Hoc networks have been given a special further discussion. We also bring along a novel multi-trace power routing concept and analyze the major challenges of WPT Ad Hoc networks.
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