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| Yuguang Fang, Imrich Chlamtac, Yi-Bing Lin, "Channel Occupancy Times and Handoff Rate for Mobile Computing and PCS Networks," IEEE Transactions on Computers, vol. 47, no. 6, pp. 679-692, June, 1998. | |||
| BibTex | x | ||
| @article{ 10.1109/12.689647, author = {Yuguang Fang and Imrich Chlamtac and Yi-Bing Lin}, title = {Channel Occupancy Times and Handoff Rate for Mobile Computing and PCS Networks}, journal ={IEEE Transactions on Computers}, volume = {47}, number = {6}, issn = {0018-9340}, year = {1998}, pages = {679-692}, doi = {http://doi.ieeecomputersociety.org/10.1109/12.689647}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, } | |||
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| TY - JOUR JO - IEEE Transactions on Computers TI - Channel Occupancy Times and Handoff Rate for Mobile Computing and PCS Networks IS - 6 SN - 0018-9340 SP679 EP692 EPD - 679-692 A1 - Yuguang Fang, A1 - Imrich Chlamtac, A1 - Yi-Bing Lin, PY - 1998 KW - PCS KW - mobile computing KW - call holding time KW - cell residence times KW - call blocking KW - handoff rate KW - channel occupancy times. VL - 47 JA - IEEE Transactions on Computers ER - | |||
Abstract—This paper presents a study of channel occupancy times and handoff rate for mobile computing in MC (Mobile Computing) and PCS (Personal Communications Services) networks, using general operational assumptions. It is shown that, for exponentially distributed call holding times, a distribution more appropriate for conventional voice telephony, the channel occupancy times are exponentially distributed if and only if the cell residence times are exponentially distributed. It is further shown that the merged traffic from new calls and handoff calls is Poisson if and only if the cell residence times are exponentially distributed, too. When cell residence times follow a general distribution, a more appropriate way to model mobile computing sessions, new formulae for channel occupancy time distributions are obtained. Moreover, when the call holding times and the cell residence times have general (nonlattice) distributions, general formulae for computing the handoff rate during a call connection and handoff call arrival rate to a cell are given. Our analysis illustrates why the exponential assumption for call holding time results in the underestimation of handoff rate, which then leads to the actual blocking probabilities being higher than the blocking probabilities for MC/PCS networks designed using the exponential distribution approximation for call holding time. The analytical results presented in this paper can be expected to play a significant role in teletraffic analysis and system design for MC/PCS networks.
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