Alcatel Lucent

Sachin J Lalseta

Haiqing H Ma

Robert Alexander Mann

Kalyan Premchand Siddam

Lui Chu Yeung

Partoo Mohebi-Sarmadi

Mira Vrbaski

Fernando Cuervo

Haqing Ma

Lui Yeung

Various exemplary embodiments relate to a method of determining by a network node whether a session establishment request is for a subscriber of a home network. The method may include: defining a home network identity including a network identifier and an emergency access point name (APN); receiving a session establishment request; comparing a called station ID of the session establishment request with the emergency APN; comparing a subscription ID of the session establishment request with the network identifier; and if either the called station ID matches an emergency APN or the subscription ID matches a network identifier: determining that the subscriber is a subscriber of the home network, and fulfilling the session establishment request. Various exemplary embodiments relate to a system for determining the home network of a subscriber. The system may include a policy and charging rules node (PCRN) configured to process a session establishment request.

PCRN home network identity

Various exemplary embodiments relate to a method and related network node including one or more of the following: receiving the set of PCC rules at the network device from a partner device; determining that the set of PCC rules includes an unauthorized PCC rule, wherein the unauthorized PCC rule fails an authorization; determining that the set of PCC rules includes an authorized PCC rule, wherein the authorized PCC rule passes the authorization; generating an unauthorized rules list including an indication of the unauthorized PCC rule; generating an authorized rules list including an indication of the authorized PCC rule; transmitting the unauthorized rules list and the authorized rules list to the partner device.

Indication of authorized and unauthorized PCC rules

Various exemplary embodiments relate to a method performed by a policy and charging rules node (PCRN) for processing a change in a status of a roaming partner, the method including: receiving, at the PCRN, a message indicating a change in a status of the roaming partner; identifying roaming subscriber sessions associated with the roaming partner; determining home based roaming subscriber sessions among the identified subscriber sessions; marking the determined home based roaming subscriber sessions for termination; and sending a termination message to a policy and charging enforcement node for the determined home based roaming subscriber sessions.

Roaming session termination triggered by roaming agreement/partner deletion

Various exemplary embodiments relate to a method and related network node including one or more of the following: receiving, at the network device, a message; determining, in response to receiving the message, that a set of supported features should be transmitted to a partner device; determining, based on the partner device, whether a default set of features should be overridden; if the default set of supported features should be overridden, transmitting an alternative set of features to the partner device; and if the default set of supported features should not be overridden, transmitting a standard set of features based on the default set of features to the partner device.

Supported feature override

Various exemplary embodiments relate to method of generating PCC rules for managing packet traffic across a network. The method may include: receiving a request message for PCC rules from a requesting network component, authorizing the first requested bandwidth for a first traffic mapping; authorizing a third bandwidth for at least a second traffic mapping wherein the third authorized bandwidth is less than or equal to a second requested bandwidth minus the first requested bandwidth; generating a first PCC rule comprising: a service flow corresponding to the first traffic mapping and the first authorized bandwidth; and generating a second PCC rule comprising: a service flow corresponding to the second traffic mapping and the third authorized bandwidth. Various exemplary embodiments relate to a Policy and Control Rules Node (PCRN) for generating PCC rules. The PCRN may include an interface, service flow extractor, policy engine, rule generator, rules storage and rules manager.

System and method for generating and updating PCC rules based on service requests

Various exemplary embodiments relate to a method performed by a policy and charging rules node (PCRN) for managing a session for a roaming subscriber. The method may include: defining a roaming agreement associated with at least one roaming partner and including at least one limitation; receiving a session establishment request; extracting a subscription identifier; determining an active roaming partner by comparing the subscription identifier to the roaming partner profile; selecting the roaming agreement including the active roaming partner; and enforcing the at least one limitation when processing the session establishment request. The PCRN may include: a roaming agreement storage; a first interface configured to receive a session establishment request for a roaming subscriber; a roaming manager configured to identify a roaming partner associated with the roaming subscriber and a roaming agreement associated with the roaming partner; and a second interface configured to communicate session information with a roaming partner PCRN.

PCRN roaming agreement

Various exemplary embodiments relate to a method of generating a Policy and Control Charging (PCC) rule for managing packet traffic across a network. The method may include: receiving a request message for PCC rules from a requesting network component; authorizing a set of QoS information based on the requested set of QoS information; generating a PCC rule; and transmitting the PCC rule to an enforcing network component. The request message may include a requested set of QoS information and multiple traffic mappings each describing a flow of packets transmitted across the network. The PCC rule may include the authorized set of QoS information and multiple flow descriptions corresponding to each traffic mapping. The PCRN may include: a first interface that receives a request message, a policy engine, a rule generator, and a second interface that transmits the PCC rule to an enforcing network component.

Growing community of inventors

Ottawa, Canada

Sachin J Lalseta