A Channel Allocation Mechanism for Cellular Networks
Abstract
:1. Introduction
2. Related Work
2.1. Cellular Network Architecture
2.1.1. Global System for Mobile Communications
2.1.2. Universal Mobile Telecommunications System
2.2. Channel Allocation Mechanisms
2.2.1. Static Channel Allocation
2.2.2. Dynamic Channel Allocation
Centralized DCA Mechanism
Distributed DCA Mechanism
3. Channel Allocation Mechanism in Cellular Networks
3.1. The Number of Call Arrival (Ai)
3.2. The Number of Handover In (Ii)
3.3. The Number of Handover Out (Oi)
3.4. The Number of Call Departures (Di)
4. Numerical Analysis
- The variable li is the distance of the road segment covered by the cell i,
- the variable Vi which is the average speed of car,
- the variable Fi which is the car flow,
- the call inter-arrival time t (h) has exponential distribution with mean 1/λ,
- the call holding time τ(h) has exponential distribution with mean 1/μ.
5. Simulation Analyses
5.1. Simulation Case Design and Performance Metrics
5.1.1. Case 1: Whole Day
5.1.2. Case 2: Traffic Congestion
5.1.3. Performance Metrics
5.2. Simulation Results and Analyses
5.2.1. Case 1: Whole Day
5.2.2. Case 2: Traffic Congestion
5.2.3. Comparisons between SCA and Proposed Mechanism
5.2.4. Discussions
6. Conclusions
Author Contributions
Conflicts of Interest
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Chen, C.-H.; Lin, B.-Y.; Lei, C.-H.; Lo, C.-C. A Channel Allocation Mechanism for Cellular Networks. Inventions 2017, 2, 8. https://doi.org/10.3390/inventions2020008
Chen C-H, Lin B-Y, Lei C-H, Lo C-C. A Channel Allocation Mechanism for Cellular Networks. Inventions. 2017; 2(2):8. https://doi.org/10.3390/inventions2020008
Chicago/Turabian StyleChen, Chi-Hua, Bon-Yeh Lin, Che-Hao Lei, and Chi-Chun Lo. 2017. "A Channel Allocation Mechanism for Cellular Networks" Inventions 2, no. 2: 8. https://doi.org/10.3390/inventions2020008