That cost comes with a payoff: early error detection.
成本也伴随着收益：早期的错误检测。
The can bus is very robust, with error detection and fault tolerance, but it carries significant communications overhead and high materials cost.
CAN总线非常可靠，具有差错检测和容错能力，但是通信开销很大，材料成本很高。
The minimum bit-error rate linear multiuser detection problem can be transformed to a bit-error rate cost function problem.
最小误码率线性多用户检测的问题可以归结为一个误码率代价函数的问题。
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