It USES the OVSF code to reduce the interference and USES the th code to disperse the collision in time domain.

利用OVS F码的正交性来降低各个用户之间的干扰，利用TH码的随机性将冲突随机分散在时域上面。

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Therefore, OVSF codes assigning algorithms should make full use of code resource by alleviating even eliminating code blocking and help system being fair to each kind of calls.

有效地减少甚至消除码阻塞，充分利用有限的OVSF码资源，实现公平分配成了OVSF码分配算法需要解决的问题。

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The dynamic sequential allocation algorithm is presented according to the feature of W-CDMA OVSF code and code blocking in the stochastic allocation. The algorithm flow is specified.

文章通过研究W-CDMA系统OVSF码的特性，针对随机动态分配算法存在码阻塞的问题，提出了动态有序分配算法，并对该算法的流程给予了详细的描述。

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