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Physical layer security is envisaged to provide secure wireless communications. So far there exist schemes that both achieve physical layer security and maintain a reasonable level of link capacity. However, in all these schemes, capacity of a communication link depends on the channel characteristics of both the communication link and the eavesdropping links. Thus, when packets are scheduled in a...
To reduce the complexity of existing transmit diversity solutions for time domain synchronous OFDM (TDS-OFDM), a simple transmit diversity scheme is proposed in this paper. The space shifted constant amplitude zero autocorrelation (CAZAC) sequence is used for time-domain channel estimation. Two types of flexible frame structures are investigated for cyclicity reconstruction of the received inverse...
For the purpose of improving to redundancy of the transmission path, compensating for poor communication quality of wireless communication in harsh industrial environments and partly improving reliability of industrial wireless networked control system (WNCS), the multi-path transmission mechanism based on topology of dual-band and secondary structure is proposed. The topology of dual-band and secondary...
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