Considering the practical case of delayed feedback environment, the closed-form expressions of system spectral efficiency under delayed channel were derived.

考虑反馈信道存在延时的实际情况，推导了系统在延时信道条件下的频谱效率表达式。

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Of these, the biggest is al-Jazeera's long-delayed English-language channel, Al Jazeera International, which should be getting into its stride by the beginning of 2007.

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Furthermore, a delayed launch would simply shift the annual channel drawdown from the June quarter to the September quarter.

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Theoretically one way to game the contest would be to trade in and out of positions using real-time quotes, which would give a trader the advantage over others in the contest, who used delayed quotes when they tracked their portfolio on the channel's Web site.

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