Rural Broadband Access via Clustered Collaborative Communication

Broadband penetration in rural areas of the developing countries is significantly low. The unique challenges in enabling rural connectivity are sparsity of population locations and modest income of the villagers, which induce low return on investment to the conventional cellular network providers. I...

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Veröffentlicht in:IEEE/ACM transactions on networking Jg. 26; H. 5; S. 2160 - 2173
Hauptverfasser: Agarwal, Satyam, De, Swades
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York IEEE 01.10.2018
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:
Algorithms
Broadband
Broadband communication
Cellular communication
Clustering
Clustering algorithms
Computer simulation
Customer services
Developing countries
discrete-time Markov chains
distributed beamforming
distributed clustering algorithm
Energy efficiency
LDCs
medium access control protocol
Power efficiency
Protocol (computers)
Return on investment
Rural areas
Rural broadband system architecture
Sociology
Statistics
Throughput
TVWS
Uplink
ISSN:1063-6692, 1558-2566
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Zusammenfassung:Broadband penetration in rural areas of the developing countries is significantly low. The unique challenges in enabling rural connectivity are sparsity of population locations and modest income of the villagers, which induce low return on investment to the conventional cellular network providers. In this paper, we propose a novel cluster-based network architecture and protocols for efficient rural broadband coverage which requires minimal infrastructure setup by the service provider. Multiple customer premise equipments (CPEs) in a village form clusters and transmit collaboratively over unused television bands to the base station. A two-tier uplink access protocol is proposed and its performance in terms of network throughput and energy efficiency are obtained analytically. The cluster size is optimized to maximize the uplink network throughput and energy-efficiency. A distributed clustering algorithm is proposed for the CPEs to form clusters, while channels are allocated to the clusters using the proposed channel allocation algorithm to minimize inter-cluster interference. Via network simulation studies we demonstrate that the proposed architecture can be cost-effective and energy-efficient, while being scalable at the same time.
Bibliographie:ObjectType-Article-1
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ISSN:1063-6692
1558-2566
DOI:10.1109/TNET.2018.2865464