Results 51 to 60 of about 2,036 (196)
Dynamic control of Coding in Delay Tolerant Networks [PDF]
, 2009 Delay tolerant Networks (DTNs) leverage the mobility of relay nodes to compensate for lack of permanent connectivity and thus enable communication between nodes that are out of range of each other.
Altman, Eitan +2 more
core +8 more sources
Analysis and Design of Systematic Rateless Codes in FH/BFSK System with Interference
Mobile Information Systems, Volume 2020, Issue 1, 2020., 2020 The asymptotic analysis of systematic rateless codes in frequency hopping (FH) systems with interference is first provided using discretized density evolution (DDE) and compared with the traditional fixedârate scheme. A simplified analysis with Gaussian assumption of initial message is proposed in the worst case of interference, which has much lower ...
Jingke Dai +4 more
wiley +1 more source
Soft Iterative Decoding Algorithms for Rateless Codes in Satellite Systems
Algorithms, 2019 The satellite system is one of the most efficient means for broadcasting due to its wide service coverage as well as the fact that it can provide high data rate services by using high frequency bands.
Meixiang Zhang, Satya Chan, Sooyoung Kim
doaj +1 more source
Expanding window fountain codes for unequal error protection [PDF]
, 2009 A novel approach to provide unequal error protection (UEP) using rateless codes over erasure channels, named Expanding Window Fountain (EWF) codes, is developed and discussed.
Doufexi, A +4 more
core +1 more source
Design of Improved BP Decoders and Corresponding LT Code Degree Distribution for AWGN Channels
Wireless Communications and Mobile Computing, Volume 2020, Issue 1, 2020., 2020 This paper presents the performance of a hard decision belief propagation (HDBP) decoder used for Luby transform (LT) codes over additive white Gaussian noise channels; subsequently, three improved HDBP decoders are proposed. We first analyze the performance improvement of the sorted ripple and delayed decoding process in a HDBP decoder; subsequently ...
Lei Zhang, Li Su, Chaoyun Song
wiley +1 more source
Distributed Rateless Codes with Unequal Error Protection Property for Space Information Networks
Entropy, 2017 In this paper, we propose a novel distributed unequal error protection (UEP) rateless coding scheme (DURC) for space information networks (SIN). We consider the multimedia data transmissions in a dual-hop SIN communication scenario, where multiple ...
Jian Jiao +5 more
doaj +1 more source
IEEE Access, 2019 This paper presents a non-orthogonal multiplexing scheme using the concept of rateless coding for a downlink broadcast scheme with two users. The proposed approach does not require the inclusion of successive interference cancellation (SIC) techniques ...
Yen-Ming Chen +2 more
doaj +1 more source
Fountain Codes with Nonuniform Selection Distributions through Feedback
, 2015 One key requirement for fountain (rateless) coding schemes is to achieve a high intermediate symbol recovery rate. Recent coding schemes have incorporated the use of a feedback channel to improve intermediate performance of traditional rateless codes ...
Cassuto, Yuval +2 more
core +1 more source
Error and Congestion Resilient Video Streaming over Broadband Wireless
Computers, 2015 In this paper, error resilience is achieved by adaptive, application-layer rateless channel coding, which is used to protect H.264/Advanced Video Coding (AVC) codec data-partitioned videos.
Laith Al-Jobouri +3 more
doaj +1 more source
Rateless Codes with Progressive Recovery for Layered Multimedia Delivery
, 2012 This paper proposes a novel approach, based on unequal error protection, to enhance rateless codes with progressive recovery for layered multimedia delivery. With a parallel encoding structure, the proposed Progressive Rateless codes (PRC) assign unequal
Chen, Zhao +3 more
core +1 more source