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Method and apparatus for facilitating handover from a WCDMA public land mobile access network to a generic access network
Method and apparatus for facilitating handover from a WCDMA public land mobile access network to a generic access network
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机译:促进从WCDMA公共陆地移动接入网到通用接入网的切换的方法和装置
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摘要
Handover is improved from a 3 G WCDMA UTRAN to a generic access network (GAN) cell. For handover, mobile stations measure signal level from neighbor cells. In a WCDMA UTRAN, measurement of cells having a frequency number different from the serving cell, require the network to generate time gaps so the mobile station can perform measurements on different frequencies. GAN cells do not transmit on their allotted frequency number. This number together with an identifier is used to identify the GAN cell between the MS and RNC. A modified registration procedure permits GAN cells to always have the same frequency number as neighboring UTRAN cells, wherein the MS communicates the current UTRAN cell frequency number to the GAN controller, which adopts this number, and determines the corresponding identifier. The identifier may be the same for all GAN cells, or can be obtained from a mapping table, which maps an identifier to each frequency.
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机译:从3 G WCDMA UTRAN到通用接入网(GAN)小区的切换得到了改善。对于切换,移动站测量来自相邻小区的信号电平。在WCDMA UTRAN中,对具有与服务小区不同的频率数的小区的测量需要网络生成时间间隙,以便移动台可以在不同的频率上执行测量。 GAN小区不按其分配的频率编号进行传输。该数字与标识符一起用于识别MS和RNC之间的GAN小区。修改的注册过程允许GAN小区始终具有与相邻UTRAN小区相同的频率编号,其中MS将当前UTRAN小区频率编号传达给GAN控制器,后者采用该编号并确定相应的标识符。对于所有GAN小区,标识符可以是相同的,或者可以从映射表获得,该映射表将标识符映射到每个频率。
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