Results 231 to 240 of about 4,641,607 (284)

A Dynamic Channel Assignment Policy Through Q-Learning

IEEE Transactions on Neural Networks, 1999
One of the fundamental issues in the operation of a mobile communication system is the assignment of channels to cells and to calls. Since the number of channels allocated to a mobile communication system is limited, efficient utilization of these communication channels by using efficient channel assignment strategies is not only desirable but also ...
S Haykin
exaly   +3 more sources

Dynamic channel assignment with queueing

[Proceedings] Singapore ICCS/ISITA `92, 1992
The authors study the effects of queueing on a dynamic channel assignment scheme. They examine the performance of a queued ordered dynamic channel assignment with reassignment (QODCAR) scheme in a highway microcellular environment using simulations. Results show that queueing can improve the channel utilization and lower the probabilities of blocking a
S.S. Kuek, W.C. Wong
openaire   +1 more source

Efficient distributed algorithms for dynamic channel assignment

Proceedings of PIMRC '96 - 7th International Symposium on Personal, Indoor, and Mobile Communications, 2002
The efficiency of channel assignment in a cellular telephone system is considered using the measures of successful channel assignment ratio as well as response time. Existing paradigms of mutual exclusion and dining philosophers from distributed systems are used to synthesize new algorithms that optimize both measures.
Manhoi Choy, Ambuj K. Singh
openaire   +2 more sources

Dynamic Spatial Channel Assignment for Smart Antenna

Wireless Personal Communications, 1999
The paper describes an optimal dynamic channel assignment algorithm for smart antennas. This algorithm can deal with the Spatial Division Multiple Access (SDMA) and traditional channel multiple accesses (FDMA, TDMA, or CDMA) simultaneously to enlarge the capacity of communication systems. This algorithm has several merits, including less computer time,
Zhenghe Feng, Zhijun Zhang 0005
openaire   +2 more sources

A Dynamic Channel Assignment Algorithm for OFDMA Systems

IEEE Vehicular Technology Conference, 2006
In this paper, we propose a heuristic dynamic channel assignment (DCA) algorithm to achieve the tradeoff between system throughput and fairness in downlink OFDMA systems. The proposed algorithm is divided into two stages: first, a proportional fairness is taken into account with quality-of- service (QoS) guaranteed to users for the system to ...
Tien Dzung Nguyen, Youngnam Han
openaire   +2 more sources

Distributed dynamic channel assignment in wireless networks

2014 International Conference on Computing, Networking and Communications (ICNC), 2014
This paper studies the online channel assignment problem arising in dynamic wireless networks. The goal is to assign channels to communication links such that interference (or the number of conflicts) in the network is minimized. We model the problem as an online edge coloring problem. This problem is NP-hard by a reduction from EDGE COLORING.
Chadi Kari, Narasimha K. Shashidhar, Sotiris Kentros   +2 more
openaire   +2 more sources

Channel Assignment with r-Dynamic Coloring

2018
The channel assignment is an important problem with applications in optical networks. This problem was formulated to the L(p, 1)-labeling of graphs by Griggs and Yeh. The r-dynamic coloring is a generalization of the L(1, 1)-labeling. An r-dynamic k-coloring of a graph G is a proper k-coloring such that every vertex v is adjacent to at least min\(\{d(v)
Junlei Zhu, Yuehua Bu
openaire   +2 more sources

Dynamic assignment of random access code channels

GLOBECOM'01. IEEE Global Telecommunications Conference (Cat. No.01CH37270), 2002
In this paper, a measurement-based dynamic RA (Random Access) code assignment procedure Is proposed for prioritized packet data transmission in WCDMA (Wideband Code Division Multiple Access) networks. This dynamic assignment process is based on analytical performance results derived for random packet access under Rayleigh fading in WCDMA networks.
Ekram Hossain 0001, Dong In Kim 0001, Vijay K. Bhargava   +2 more
openaire   +2 more sources

Dynamic channel assignment in wireless communication networks

International Journal of Network Management, 1999
We propose a new Cochannel information based Dynamic Channel Assignment lCDCAr strategy for small and microcell systems and a new Group Dynamic Channel Assignment lGDCAr strategy which handles multichannel traffic in wireless networks. Copyright © 1999 John Wiley & Sons, Ltd.
Anna Hac, Chunlei Mo
openaire   +2 more sources

Cellular Learning Automata Based Dynamic Channel Assignment Algorithms [PDF]

International Journal of Computational Intelligence and Applications, 2009
A solution to channel assignment problem in cellular networks is self-organizing channel assignment algorithm with distributed control. In this paper, we propose three cellular learning automata based dynamic channel assignment algorithms. In the first two algorithms, no information about the status of channels in the whole network will be used by ...
Hamid Beigy, M R Meybodi
exaly   +2 more sources