Open AccessCross‐Layer Cooperative Scheduling Scheme for Multi‐channel Hybrid Ubiquitous Sensor Networks
Author(s) -
Zhong Yingji,
Yang Qinghai,
Kwak Kyung Sup,
Yuan Dongfeng
Publication year - 2008
Publication title -
etri journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.295
H-Index - 46
eISSN - 2233-7326
pISSN - 1225-6463
DOI - 10.4218/etrij.08.1308.0061
Subject(s) - scheduling (production processes) , computer science , scheme (mathematics) , network topology , wireless sensor network , outage probability , energy consumption , topology (electrical circuits) , computer network , cooperative diversity , diversity gain , channel (broadcasting) , distributed computing , real time computing , engineering , fading , mathematics , mathematical analysis , electrical engineering , operations management
The multi‐scenario topology of multi‐channel hybrid ubiquitous sensor networks (USNs) is studied and a novel link auto‐diversity cross‐layer cooperative scheduling scheme is proposed in this paper. The proposed scheme integrates the attributes of the new performance evaluation link auto‐diversity air‐time metric and the topology space in the given multi‐scenario. The proposed scheme is compared with other schemes, and its superiority is demonstrated through simulations. The simulation results show that relative energy consumption, link reception probability, and end‐to‐end blocking probability are improved. The addressing ratio of success with unchanged parameters and external information can be increased. The network can tolerate more hops to support reliable transportation when the proposed scheme is implemented. Moreover, the scheme can make the network stable. Therefore, the proposed scheme can enhance the average rate performance of the hybrid USN and stabilize the outage probability.