Resource Optimized TTSH-URA for Multimedia Stream Authentication in Swallowable-Capsule-Based Wireless Body Sensor Networks

Abstract

To ease the burdens on the hospitalization capacity, an emerging swallowable-capsule technology has evolved to serve as a remote gastrointestinal (GI) disease examination technique with the aid of the wireless body sensor network (WBSN). Secure multimedia transmission in such a swallowable-capsule-based WBSN faces critical challenges including energy efficiency and content quality guarantee. In this paper, we propose a joint resource allocation and stream authentication scheme to maintain the best possible video quality while ensuring security and energy efficiency in GI-WBSNs. The contribution of this research is twofold. First, we establish a unique signature-hash (S-H) diversity approach in the authentication domain to optimize video authentication robustness and the authentication bit rate overhead over a wireless channel. Based on the full exploration of S-H authentication diversity, we propose a new two-tier signature-hash (TTSH) stream authentication scheme to improve the video quality by reducing authentication dependence overhead while protecting its integrity. Second, we propose to combine this authentication scheme with a unique S-H oriented unequal resource allocation (URA) scheme to improve the energy-distortion-authentication performance of wireless video delivery in GI-WBSN. Our analysis and simulation results demonstrate that the proposed TTSH with URA scheme achieves considerable gain in both authenticated video quality and energy efficiency.

A Lightweight Protocol for Secure Video Streaming

“…The scheme is tolerant to packet loss, however the amount of additional information for each transferred packet is large, approximately equal to the amount of useful information. Wang et al [ 24 ] proposed a two-tier signature-hash (TTSH) stream authentication scheme to improve the video quality by reducing the authentication dependence overhead while protecting its integrity. The TTSH scheme achieves considerable gains in both authenticated video quality and energy efficiency.…”

Securing Body Sensor Networks with Biometric Methods: A New Key Negotiation Method and a Key Sampling Method for Linear Interpolation Encryption

“…Body sensor networks (BSNs) are an important branch of wireless sensor networks (WSNs) [1, 2]. A BSN is a medical information system in the field of e-health, and it consists of some biosensor nodes that form a wireless micronetwork on the human body.…”