Abstract: In one embodiment, a multi-carrier CDMA network grants radio link resources to a mobile station by maximizing soft handoff conditions, by preserving frequency continuity with the mobile station, or by load balancing across carrier frequencies in two or more cells, or by some combination thereof. The network identifies carrier frequencies having two or more CDMA channels for assignment to the mobile station. If one of those frequencies was used by the mobile station to request resources, it may be advantageous to select that frequency; otherwise or instead, the choice is narrowed to the carrier frequency or frequencies having the greatest number of available radio links. From that point, the choice may be further narrowed, for example, by selecting the carrier frequency having the most favorable CDMA channel loading across two or more cells. In another embodiment, such multi-carrier load balancing is the basis of carrier frequency selection.

Abstract: Communication traffic associated with one or more mobile terminals is monitored to efficiently manage allocated radio resources. A rate management technique dynamically adjusts allocated radio resources to increase or decrease the data rate capacity of allocated radio channels based on actual channel usage. In this manner, radio resources are more efficiently utilized because the amount of excess capacity allocated to individual subscribers is reduced. Monitoring communication traffic may also be used to determine whether additional radio channel resources are allocated to a given subscriber. For example, in a cdma2000 radio access network, subscribers are typically allocated fundamental radio channels and then assigned supplemental channels to access higher data rate services. By monitoring fundament channel traffic characteristics, such as the queue length or packet size of outgoing packet data, the radio access network can determine whether supplemental channel allocation is warranted.

Abstract: Admission control in a wireless communication network considers power and spreading code resources as part of its admission control operations. In an exemplary embodiment, an admission controller admits new users in a manner that balances forward link transmit power and spreading code usage. More generally, network admission control maintains a desired relationship between power and code use as new users are admitted. Such control increases forward link capacity by avoiding premature exhaustion of either power or code resources. Thus, in operation, the admission controller chooses either a power-efficient or a code-efficient configuration for admitting new users, depending on the relative availability of power and code resources. Such power and code resource assessment may consider a particular communication channel, e.g., a CDMA channel, in a particular radio service area, or may consider the relative power/code usage balance among channels in multiple service areas.

Abstract: A method for logging call information associated with a representative sampling of calls in a mobile communication network is disclosed. An identifier associated with each call is hashed to generate a hash value. The hash value is compared to predetermined logging criteria to determine whether call information associated with a particular call should be logged. Call information is logged for those calls meeting the predetermined criteria. The present invention may be used standing alone or to supplement IMSI-based call logging procedures already implemented in mobile communication networks.

Abstract: Statistical processing of event outcomes, such as call attempts or handoff attempts, allows reliable generation of performance alarms within a communication network without requiring analysis of historic performance data. Base station controllers might implement such statistical processing so that the controllers themselves rather than other, further removed network management entities generate performance alarms. Attendant advantages include but are not limited to relatively fast and reliable alarm generation using relatively small sample sets. These and other advantages permit detecting and reporting performance alarm conditions more quickly without sacrificing alarm generation reliability.

Abstract: Communication traffic associated with one or more mobile terminals is monitored to efficiently manage allocated radio resources. A rate management technique dynamically adjusts allocated radio resources to increase or decrease the data rate capacity of allocated radio channels based on actual channel usage. In this manner, radio resources are more efficiently utilized because the amount of excess capacity allocated to individual subscribers is reduced. Monitoring communication traffic may also be used to determine whether additional radio channel resources are allocated to a given subscriber. For example, in a cdma2000 radio access network, subscribers are typically allocated fundamental radio channels and then assigned supplemental channels to access higher data rate services. By monitoring fundament channel traffic characteristics, such as the queue length or packet size of outgoing packet data, the radio access network can determine whether supplemental channel allocation is warranted.