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An integrated signaling-encryption mechanism to reduce error propagation in wireless communications: performance analyses | IEEE Conference Publication | IEEE Xplore

An integrated signaling-encryption mechanism to reduce error propagation in wireless communications: performance analyses


Abstract:

Traditional encryption techniques require packet overhead, produce processing time delay, and suffer from severe quality of service deterioration due to fades and interfe...Show More

Abstract:

Traditional encryption techniques require packet overhead, produce processing time delay, and suffer from severe quality of service deterioration due to fades and interference in wireless channels. These issues reduce the effective transmission data rate (throughput) considerably in wireless communications, where data rate with limited bandwidth is the main constraint. In this paper, performance evaluation analyses are conducted for an integrated signaling-encryption mechanism that is secure and enables improved throughput and probability of bit-error in wireless channels. This mechanism eliminates the drawbacks stated herein by encrypting only a small portion of an entire transmitted frame, while the rest is not subject to traditional encryption but goes through a signaling process (designed transformation) with the plaintext of the portion selected for encryption. We also propose to incorporate error correction coding solely on the small encrypted portion of the data to drastically improve the overall bit-error rate performance while not noticeably increasing the required bit-rate. We focus on validating the signaling-encryption mechanism utilizing Hamming and convolutional error correction coding by conducting an end-to-end system-level simulation-based study. The average probability of bit-error and throughput of the encryption mechanism are evaluated over standard Gaussian and Rayleigh fading-type channels and compared to the ones of the conventional advanced encryption standard (AES).
Date of Conference: 11-14 May 2015
Date Added to IEEE Xplore: 25 June 2015
Electronic ISBN:978-1-4799-8576-0
Print ISSN: 2163-5595
Conference Location: Charleston, SC, USA

I. Introduction

Transmitting information over a wireless link poses a threat to information security due to inherent interception-type vulnerability of the wireless channel [1]. Thus, intercepting signals from wireless media is the reality that makes wireless communication accessible to intruders. Consequently, it is harder to maintain the confidentiality, integrity, and authenticity (CIA) of the information traversing through wireless media. Currently, every facet of services such as vast commercial communications, national security and battle field communications, electric power delivery, and industrial and scientific research has been increasingly using wireless communications. Given the insecure nature of wireless links, CIA based on encryption is relied upon to satisfy users demand for end-to-end trustworthy communications.

References

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