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单码多码理论 关于认知心理学中的单码与多码理论，不知哪位高手能指点一下吗？能否推荐看哪些书？ 休 闲 居 编 辑 >>>>>>>>休闲养生网回答： 基于支持多级业务的单码CDMA系统，本文设计了一种适合于多级业务接入的两层控制 方案。借助于该方案，实时业务用户一旦被接纳就立刻进行通信。而非实时数据用户的通信 过程要受到呼叫层和突发层双重的控制。这样，前者的QoS能够得到保证，而后者则可 以充分利用网络暂时闲置的信道容量。 A new two-level scheme of access control based on a single-code CDMA s ystem supporting multiclass traffic is proposed. By means of this scheme ,the users of real-time traffic transmit their packets without incurring further delay once admitted to the system but the access of nonreal-time data users is regulated at both call level and burst level.Thus,the latter may fully utilize the residual channels without degrading the QoS of the former. |