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Erlang Capacity Analysis of Multi-access Systems Supporting Voice and Data Services
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2004
Lecture Notes in Computer Science
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In this paper, we analyze and compare the Erlang capacity of multi-access systems supporting several different radio access technologies according to two different operation methods: separate and common ...
In a numerical example with GSM/EDGE-like and WCDMA-like sub-systems, it is shown that we can get up to 60% Erlang capacity improvement through the common operation method when using a near optimum so-called ...
This work was supported by Korea Science and Engineering Foundation (KOSEF) through the UFON research center at Gwangju Institute of Science and Technology. ...
doi:10.1007/978-3-540-30199-8_7
fatcat:ecd6bomeozcgdjlohdbumrtste
Erlang capacity analysis of hybrid FDMA/CDMA systems supporting multi-class services according to channel assignment methods
2002
International Journal of Communication Systems
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As a numerical example, we consider a FDMA/CDMA system supporting voice/data services. ...
In this paper, we focus on the evaluation of the Erlang capacity f o r h ybrid FDMA/CDMA systems supporting multi-class services with two c hannel allocation schemes: Independent Carrier Channel Assignment ...
Fig. 4 . 4 CE utilizations of CCCA and ICCA schemes when the tra c ratio of data to voice, , i s 1%.
TABLE I I System parameters for the hybrid FDMA/CDMA system supporting voice and data services. ...
doi:10.1002/dac.569
fatcat:2negge2u5rgypbftndxmr34mne
Erlang Capacity of Multi-Class TDMA Systems with Adaptive Modulation and Coding
2008
2008 IEEE International Conference on Communications
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In this paper, we evaluate the Erlang capacity of a TDMA system with AMC supporting voice and data traffics, by taking both the blocking and the outage probabilities into account. ...
Erlang capacity is traditionally defined as the maximum value of offered traffic among different service classes that the system can support when the blocking probabilities at the call admission control ...
Two types of services, voice service and data service, are supported by the system. Voice service is not tolerant to packet delay, thus requires a constant bit rate. ...
doi:10.1109/icc.2008.30
dblp:conf/icc/WangI08
fatcat:c6f27cg2ifctfoflgsrtsoivbe
Uplink Capacity of Multi-Class IEEE 802.16j Relay Networks with Adaptive Modulation and Coding
2009
2009 IEEE International Conference on Communications
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Two types of service, voice service and data service, are supported by the system with a given quality of service. ...
Two types of service, voice service and data service, are supported by the system. Voice service is not tolerant to packet delay, thus requires a constant bit rate of R v bits per frame. ...
doi:10.1109/icc.2009.5199552
dblp:conf/icc/WangXI09
fatcat:tmpblbxda5dc5fdbvuti44bovq
Analytical Modeling of LTE-based Network Capacity for Public Safety Communications
2016
Universal Journal of Communications and Network
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In this paper, an analytical approach for estimating the network capacity for voice communications on LTE-based public safety networks is presented. ...
In order to provide the required Grade of Service for LTE-based public safety users, the minimum number of channels required for different levels of users' priority is calculated. ...
These systems are narrowband and initially designed to support voice and low bit data rate services. ...
doi:10.13189/ujcn.2016.040301
fatcat:xphqllrumbds7jrwq4uomvnldu
Erlang Capacity Evaluation in GSM And CDMA Cellular Systems
2012
International Journal of Mobile Network Communications & Telematics
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Erlang capacity results are evaluated and compared for GSM and CDMA for different number of co-channel interferers. ...
For probability of 0.1 CCI erlang capacity per cell increases from 3.58 erlangs/cell to 12erlangs/cell in TDMA and 24 erlangs/cell to 78 erlangs/cell in CDMA as number of interfering sources decreases ...
It provides advanced voice and data services including Roaming service. The ability to using GSM phone number in another GSM network is called roaming. ...
doi:10.5121/ijmnct.2012.2503
fatcat:55yzvfbwtzeb5o4t3hzncdelvy
Forward-link capacity of a DS/CDMA system with mixed multirate sources
2001
IEEE Transactions on Vehicular Technology
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In this paper, we analyze and simulate the forward-link capacity of a CDMA system with mixed multirate sources in a multipath fading channel. ...
Some studies have been done on capacity of a code division multiple access (CDMA) system with mixed multirate sources. However, a vast majority of these studies have concentrated on the reverse link. ...
Existing code division multiple access (CDMA) cellular systems are designed to support for voice and low-speed data services, but not for high-rate data service. ...
doi:10.1109/25.933309
fatcat:kcghskjzrvd3xi5q2hvjyiotxm
Multi-Level Access Priority Channel Allocation with Time Threshold in Global System for Mobile Communications (GSM) Networks
2015
International Journal of Information Technology and Computer Science
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The voice calls is broken into sub-classes of services and a level of priority is established among the classes so that the most urgent and important service will have access to the channel by preempting ...
The blocking and dropping probabilities models for the different services were developed using the Multi-dimensional Erlang B. ...
The voice service has a high priority over the data service in thier model. In the proposed model, data service will only use the left over capacity after servicing the high priority voice. ...
doi:10.5815/ijitcs.2015.11.03
fatcat:vjge52i5f5hhpo4ayy35eauoru
Impacts of data call characteristics on multi-service CDMA system capacity
2005
Performance evaluation (Print)
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The capacity of multi-service Code-Division Multiple Access (CDMA) systems has been extensively studied in the literature. ...
This paper studies a CDMA system supporting voice and data traffic. ...
Conclusions This paper studies a multi-service CDMA system supporting voice and data traffic. ...
doi:10.1016/j.peva.2005.07.011
fatcat:lu3pvwdekngwhkfi3sdq5msjgm
Traffic Performance Comparison Of Cdma And Fdma On Cellular Network
2011
Zenodo
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We derived Erlang capacity "formulas" for the CDMA and FDMA cellular system and a MATLAB simulation was carried out using the formulas. ...
With the ever increasing demand for fast internet access, multimedia services and other data based services, the need for larger network and bandwidth capability cannot be over-emphasized. ...
INTRODUCTION With the ever increasing demand for very fast internet and other multimedia services, there is need for capacity analysis of frequency division multiple access (FDMA) and code division multiple ...
doi:10.5281/zenodo.833979
fatcat:blchax3vsrdxrfshxh7qomursq
Capacity and delay analysis in Passive Optical Networks (PONs) - A review
2012
International Journal of Advances in Computing and Information Technology
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Any kind of active or the passive attack over the network can make packet loss while transferring the data and also, heavy traffic over any network gives the problems like congestion, degradation in throughput ...
The dramatic increase of internet users and development of new high volume internet applications has a profound impact on design of next generation passive optical network (NG-PON). ...
[10] , analyze the Erlang capacity of a code division multiple-access system supporting voice and delay-tolerant data services. ...
doi:10.6088/ijacit.12.10023
fatcat:mpcdor66hjaytfymrusaxpeh6e
A Dynamical Hybrid CAC Scheme and Its Performance Analysis for Mobile Cellular Network with Multi-Service
2012
KSII Transactions on Internet and Information Systems
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And then, to show the advantage of 1DMC modeling for the performance analysis of our proposed CAC scheme, the computing complexity of multi-dimensional Markov chain (MDMC) modeling in performance analysis ...
of service types and service priority index. ...
In [1] [2][3] [4] [5] [6] , CAC schemes and related performance analysis for voice and data services are proposed. ...
doi:10.3837/tiis.2012.06.003
fatcat:l4lqjggs2vf3lh4qv43ucrlntu
Downlink Erlang capacity of cellular OFDMA
2011
2011 National Conference on Communications (NCC)
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Then, we model the system as a multi-dimensional Markov chain and evaluate the Erlang capacity. ...
In this paper, we present a novel approach to evaluate the downlink Erlang capacity of a cellular Orthogonal Frequency Division Multiple Access (OFDMA) system with 1:1 frequency reuse. ...
Erlang capacity corresponds to the traffic load that a cell can support while providing acceptable service to the users. ...
doi:10.1109/ncc.2011.5734706
fatcat:mhgwfcgdaff23ntd7eb7ugvpzq
Teletraffic Performance Analysis of Multi-band Overlaid WCDMA Systems
2007
2007 Next Generation Internet Networks
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In this paper, we present a novel approach for evaluating the teletraffic performance of multi-band overlaid WCDMA systems in terms of time, call, and traffic blocking probabilities of each service class ...
In future deployment of WCDMA systems, spectrum overlay among sub-bands with different bandwidth is necessary to support various kinds of services. ...
To accommodate various traffic types (voice, low-speed data, and high-speed data), channels of different bandwidths are supported. ...
doi:10.1109/ngi.2007.371219
fatcat:tevbmaweobhtpf5yhr52afjv3i
A Study of Voice Traffic Blocking in a Model Cellular Network
2011
International Journal of Wireless & Mobile Networks
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The Erlang B, Erlang C and Poisson models have been considered in this study. The experimental work has showed that the Erlang C Model provided the closest match for the studied environment. ...
In this paper, we present results obtained from a statistical analysis of a model cellular network which is similar to the one used in Mauritius. ...
NETWORK BEHAVIOUR AND ANALYSIS OF DATA In this section, measured blockings are compared with theoretical values based on the traffic models, Erlang B and Erlang C depending on system being investigated ...
doi:10.5121/ijwmn.2011.3608
fatcat:hqtrgd7esrha7hrligyamlfdci
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