This paper compares the performance of soft handoff (SHO) between IS-95A and IS-95B/cdma2000 by using the following performance indicators : quality of traffic channel (E/sub b//N/sub o/), outage probability, new call blocking probability (P/sub B/), handoff call blocking probability (P/sub HO/), expected number of base stations in active set (NO/sub BS/), expected number of changes in active set (NO/sub update/) and Trunking Resource Efficiency (TRE) with specific Poisson distributed call arrival and exponential distributed holding time process. By comparison of all parameters, IS-95B/cdma2000 SHOs tends to have a higher performance than IS-95A SHO. Moreover the SHO thresholds affect the triggering and the releasing of 2-way and 3-way SHOs with different distance of both algorithms.
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机译：本文通过使用以下性能指标来比较IS-95A和IS-95B / cdma2000之间的软切换（SHO）的性能：业务信道质量（E / sub b // N / sub o /），中断概率，新呼叫阻塞概率（P / sub B /），切换呼叫阻塞概率（P / sub HO /），活动集中的预期基站数量（NO / sub BS /），活动集中的预期变化数量（NO / sub更新/）和中继资源效率（TRE），以及特定的Poisson分布式呼叫到达和指数分布式保持时间过程。通过所有参数的比较，IS-95B / cdma2000 SHO往往比IS-95A SHO具有更高的性能。此外，SHO阈值会影响两种算法距离不同的2路和3路SHO的触发和释放。
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