A QoS guaranteed channel allocation algorithm in multi-cell OFDMA network with reduced feedback

Wenhan Yang; Osamu Yoshie

doi:10.1109/ICUFN.2015.7182547

A QoS guaranteed channel allocation algorithm in multi-cell OFDMA network with reduced feedback

Wenhan Yang, Osamu Yoshie

Graduate School of Information, Production and Systems

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In this paper, we consider an Orthogonal Frequency Division Multiple Access (OFDMA) multi-cell system where multiple access ability user equipment (UE) exists. A two-level feedback scheme is used to collect information of each cell. Two kinds of channel state information (CSI) are fed back to base station (BS) within one cell while BSs use a greedy algorithm to reduce the feedback to a centralized Channel Distributor. The traffic load and access ability of UEs are considered together in BS side in order to guarantee Quality of Service (QoS). Finally, a System Capacity (SC) and System Unsatisfactory Degree (SUD) tradeoff algorithm is proposed to allocate channels to cells. Simulation experiments show that the proposed scheme is able to increase the throughput and to meet the traffic load requirement of the system.

Original language	English
Title of host publication	International Conference on Ubiquitous and Future Networks, ICUFN
Publisher	IEEE Computer Society
Pages	263-267
Number of pages	5
Volume	2015-August
ISBN (Print)	9781479989935
DOIs	https://doi.org/10.1109/ICUFN.2015.7182547
Publication status	Published - 2015 Aug 7
Event	7th International Conference on Ubiquitous and Future Networks, ICUFN 2015 - Sapporo, Japan Duration: 2015 Jul 7 → 2015 Jul 10

Other

Other	7th International Conference on Ubiquitous and Future Networks, ICUFN 2015
Country	Japan
City	Sapporo
Period	15/7/7 → 15/7/10

Keywords

channel allocation
interference control
multi access ability
OFDMA

ASJC Scopus subject areas

Computer Networks and Communications
Computer Science Applications
Hardware and Architecture

Access to Document

10.1109/ICUFN.2015.7182547

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Cite this

Yang, W & Yoshie, O 2015, A QoS guaranteed channel allocation algorithm in multi-cell OFDMA network with reduced feedback. in International Conference on Ubiquitous and Future Networks, ICUFN. vol. 2015-August, 7182547, IEEE Computer Society, pp. 263-267, 7th International Conference on Ubiquitous and Future Networks, ICUFN 2015, Sapporo, Japan, 15/7/7. https://doi.org/10.1109/ICUFN.2015.7182547

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abstract = "In this paper, we consider an Orthogonal Frequency Division Multiple Access (OFDMA) multi-cell system where multiple access ability user equipment (UE) exists. A two-level feedback scheme is used to collect information of each cell. Two kinds of channel state information (CSI) are fed back to base station (BS) within one cell while BSs use a greedy algorithm to reduce the feedback to a centralized Channel Distributor. The traffic load and access ability of UEs are considered together in BS side in order to guarantee Quality of Service (QoS). Finally, a System Capacity (SC) and System Unsatisfactory Degree (SUD) tradeoff algorithm is proposed to allocate channels to cells. Simulation experiments show that the proposed scheme is able to increase the throughput and to meet the traffic load requirement of the system.",

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