A MODEL FOR ANALYZING HANDOFF ALGORITHMS

被引：123

作者：

VIJAYAN, R

HOLTZMAN, JM

机构：

[1] Wireless Information Network Laboratory (WINLAB) Rutgers, The State University of New Jersey, Piscataway

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 1993年 / 42卷 / 03期

关键词：

D O I：

10.1109/25.231888

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 [电气工程]; 0809 [电子科学与技术];

摘要：

We present a model for analyzing the performance of handoff algorithms based on signal strength measurements made by mobile stations in a lognormal fading environment. This model enables us to evaluate the effect of averaging and hysteresis on the handoff process. Handoffs are related to level crossings of the difference between the received signal strengths from two base stations. The algorithm performance is derived by modeling the level crossings as Poisson processes with time-varying rate functions. The model is seen to yield results that agree with simulations over the range of algorithm parameters of practical interest. These results can be used to determine the averaging interval and hysteresis level that achieve the optimum tradeoff between the number of unnecessary handoffs and the delay in handing off.

引用

页码：351 / 356

页数：6

共 18 条

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[2]

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[3]

ASYMPTOTIC INDEPENDENCE OF NUMBERS OF HIGH AND LOW LEVEL CROSSINGS OF STATIONARY GAUSSIAN PROCESSES [J].