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규격 작업이 완료됨에 따라 etsi는 3gpp 규격을 채택하여 etsi 표준으로 발표할 계획입니다.
radio resource management functions radio resource management functions are concerned with the allocation and maintenance of radio communication paths, and are performed by the radio access network. refer to ts 43.064 [11] and to ts 43.051 [74] for further information on geran. refer to ts 25.301 [50] for further information on utran. to support radio resource management in utran/geran, the sgsn provides the parameter 'index to rat/frequency selection priority' to rnc across iu and to bsc across gb. the rfsp index is mapped by the rnc/bsc to locally defined configuration in order to apply specific rrm strategies. the rfsp index is ue specific and applies to all the radio bearers. examples of how this parameter may be used in utran/geran: - to derive ue specific cell reselection priorities to control idle mode camping. - to decide on redirecting active mode ues to different frequency layers or rats. the sgsn receives the subscribed rfsp index from the hss (e.g., during the attach procedure). for non-roaming subscribers the sgsn chooses the rfsp index in use according to one of the following procedures, depending on operator's configuration: - the rfsp index in use is identical to the subscribed rfsp index, or - the sgsn chooses the rfsp index in use based on the subscribed rfsp index, the locally configured operator's policies and the ue related context information available at the sgsn, including the ue's usage setting and voice domain preference for e-utran, if received during attach and routing area update procedures (see clause 5.3.12). note 1: one example of how the sgsn can use the "ue voice capabilities and settings" is to select an rfsp value that enforces idle mode camping on 2g/3g for a ue acting in a "voice centric" way and provisioned with "cs voice preferred, ims voice as secondary", in order to minimize the occurrence of rat changes. another example is the selection of an rfsp value that prevents idle mode camping on 2g for a ue provisioned with "ims ps voice preferred, cs voice as secondary" if other rats supporting ims voice are available, as the ue would in such case always select the cs domain for its voice calls.