Channelization code management can increase the throughput, decrease the blocking probability of call setup requests, and reduce the signal Peak to Average Power Ratio (PAPR) in 3g systems.

合理的信道化码资源管理策略设计可以提高3g系统的吞吐量、降低用户的呼叫阻塞率和降低信号的峰平功率比。

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It is shown that the next call blocking probability is related to location update failure probability, call to mobility ratio and the previous call status.

理论分析结果表明，下一次呼叫阻塞率不仅和位置更新失败率、呼叫移动比有关，还与前一次呼叫状态有关。

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It has advantages of low soft-handoff call drop ratio and shorter time for waiting.

该接入控制策略具有切换呼叫等待处理时间短，切换失败概率低等特点。

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The put to call ratio on the fund is currently at its highest since June 2010.

FORBES: Options Signal More Pain In Financials, XLF Put/Call Ratio Highest Since June 2010

Basically, when the put-call ratio reverses from extreme negative readings and begins to reflect optimism, it is associated with subsequent price appreciation in the underlying stock.

FORBES: Magazine Article

In the case of Cephalon, McMillan got his "buy" signal from the put-call ratio, a measure of investor sentiment expressed as put open interest divided by call open interest.

FORBES: Cephalon's Short Squeeze Setup