The MISO Wiretap Channel with Noisy Main Channel Estimation in the High Power Regime
Type
Conference PaperKAUST Department
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) DivisionElectrical Engineering Program
Date
2017-02-07Online Publication Date
2017-02-07Print Publication Date
2016-12Permanent link to this record
http://hdl.handle.net/10754/623921
Metadata
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We improve upon our previous upper bound on the secrecy capacity of the wiretap channel with multiple transmit antennas and single-antenna receivers, with noisy main channel state information (CSI) at the transmitter (CSI-T). Specifically, we show that if the main CSI error does not scale with the power budget at the transmitter P̅, then the secrecy capacity is )bounded above essentially by log log (P̅ yielding a secure degree of freedom (sdof) equal to zero. However, if the main CSI error scales as O(P̅-β), for β ∈ [0,1], then the sdof is equal to β.Citation
Rezki Z, Chaaban A, Alomair B, Alouini M-S (2016) The MISO Wiretap Channel with Noisy Main Channel Estimation in the High Power Regime. 2016 IEEE Global Communications Conference (GLOBECOM). Available: http://dx.doi.org/10.1109/glocom.2016.7842318.Additional Links
http://ieeexplore.ieee.org/document/7842318/ae974a485f413a2113503eed53cd6c53
10.1109/glocom.2016.7842318