Routing in cognitive radio networks with full-duplex capability under dynamically varying spectrum availability | Zendy

Haythem Bany Salameh | Zendy; Haneen Khasawneh | Zendy

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Routing in cognitive radio networks with full-duplex capability under dynamically varying spectrum availability

Author(s) -

Haythem Bany Salameh,

Haneen Khasawneh

Publication year - 2020

Publication title -

ict express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.733

H-Index - 22

ISSN - 2405-9595

DOI - 10.1016/j.icte.2020.08.003

Subject(s) - cognitive radio , computer science , computer network , network packet , path (computing) , routing (electronic design automation) , equal cost multi path routing , channel (broadcasting) , selection (genetic algorithm) , routing protocol , distributed computing , dynamic source routing , telecommunications , wireless , artificial intelligence

This paper proposes a routing scheme for full-duplex-(FD)-based multi-hop CRNs that attempts to maximize the packet-delivery-ratio between any source–destination pair by being aware of the time-varying nature of spectrum-availability of the operating environment. The proposed routing scheme consists of path selection and channel assignment. Two design variants are presented: one for inband- and the other for outband-FD CRNs. Our scheme is performed into three phases: path-discovery (to identify a set of feasible routes), channel-selection (to assign channels along each path) and path-selection (to select the highest effective availability-time path). Compared to a reference scheme, the simulation results indicate that being spectrum-availability-aware can achieve significant performance enhancement.

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