Asymptotic Analysis on Secrecy Capacity in Large-Scale Wireless Networks

Provided by: Shanghai Institute of Applied Physics, Chinese Academy of Sciences
Topic: Networking
Format: PDF
Since wireless channel is vulnerable to eavesdroppers, the secrecy during message delivery is a major concern in many applications such as commercial, governmental and military networks. This paper investigates information-theoretic secrecy in large-scale networks and studies how capacity is affected by the secrecy constraint where the locations and Channel State Information (CSI) of eavesdroppers are both unknown. The authors consider two scenarios: non-colluding case where eavesdroppers can only decode messages individually and colluding case where eavesdroppers can collude to decode a message.

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