Generalized Adaptive Network Coding Aided Successive Relaying for Noncoherent Cooperation

A generalized adaptive network coding (GANC) scheme is conceived for a multi-user, multi-relay scenario, where the multiple users transmit independent information streams to a common destination with the aid of multiple relays. The proposed GANC scheme is developed from adaptive network coded cooper...

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Bibliographic Details
Published in:IEEE transactions on communications Vol. 61; no. 5; pp. 1750 - 1763
Main Authors: Li Li, Li Wang, Hanzo, L.
Format: Journal Article
Language:English
Published: New York, NY IEEE 01.05.2013
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Adaptive systems
Applied sciences
Channels
Coding
Coding, codes
Communications networks
Cooperation
Cooperative systems
Detection, estimation, filtering, equalization, prediction
Encoding
Exact sciences and technology
Flexibility
Information, signal and communications theory
Multiaccess communication
Network coding
Network topologies
Networks
non-coherent cooperation
Organization and planning of networks (techniques and equipments)
Pilots
Relaying
Relays
Signal and communications theory
Signal, noise
successive relaying
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Throughput
Tradeoffs
Transmission and modulation (techniques and equipments)
Relaying
Parameter estimation
Relay
Network architecture
Information rate
Data transmission
Iterative method
Flexibility
Time variation
Coherent detection
Duplex process
Topological structure
Channel estimation
Cross-layer approach
Non coherent detection
Electric power consumption
Traffic control
Minimum energy
successive relaying
Multiple access
Packet switching
Flow rate regulation
Teletraffic
Channel coding
Information transmission
Adaptive coding
Relay channel
non-coherent cooperation
Network coding
Reliability
Transmission loss
ISSN:0090-6778, 1558-0857
Online Access:Get full text
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Summary:A generalized adaptive network coding (GANC) scheme is conceived for a multi-user, multi-relay scenario, where the multiple users transmit independent information streams to a common destination with the aid of multiple relays. The proposed GANC scheme is developed from adaptive network coded cooperation (ANCC), which aims for a high flexibility in order to: 1) allow arbitrary channel coding schemes to serve as the cross-layer network coding regime; 2) provide any arbitrary trade-off between the throughput and reliability by adjusting the ratio of the source nodes and the cooperating relay nodes. Furthermore, we incorporate the proposed GANC scheme in a novel successive relaying aided network (SRAN) in order to recover the typical 50% half-duplex relaying-induced throughput loss. However, in support of the coherent detection, in addition to carrying out all the relaying functions, the relays have to estimate the Source-to-Relay channels, which imposes a substantial extra energy consumption and bit rate reduction owing to the inclusion of pilots. Hence noncoherent detection is employed for eliminating the power-hungry channel estimation. Finally, we intrinsically amalgamate our GANC scheme with the joint network-channel coding (JNCC) concept into a powerful three-stage concatenated architecture relying on iterative detection, which is specifically designed for the destination node (DN). The proposed scheme is also capable of adapting to rapidly time-varying network topologies, while relying on energy-efficient detection.
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ISSN:0090-6778
1558-0857
DOI:10.1109/TCOMM.2013.022713.120339