Patent application number | Description | Published |
20080305820 | METHOD AND APPARATUS FOR ARBITRATING ONE OR MORE MEDIA STREAMS WITHIN A SINGLE PoC SESSION - A method of managing a Push-To-Talk over Cellular communication session includes establishing, with a first user equipment, a Session Initiation Protocol Push-To-Talk session that includes a Session Initiation Protocol Push-To-Talk server and at least one second user equipment. The method also includes designating, with the first user equipment, either the Session Initiation Protocol Push-To-Talk server or one of the at least one second user equipment, to act as an arbiter of a media stream. The method further includes transmitting, with the first user equipment, while engaged in the Session Initiation Protocol Push-To-Talk session, the media stream directly to at least one of the at least one second user equipment without receiving a transmit instruction from the Push-To-Talk server. | 12-11-2008 |
20090109882 | PUSH-TO-COMMUNICATE SESSION ASSOCIATING | 04-30-2009 |
20090154658 | DYNAMIC VOCODER ASSIGNMENT IN A COMMUNICATION SYSTEM - An apparatus and method for dynamic vocoder assignment in a communication system that supports multiple vocoders includes a first step ( | 06-18-2009 |
20090254666 | METHOD AND DEVICES FOR ENABLING A MULTI-MODE DEVICE TO ESTABLISH A SESSION THROUGH MULTIPLE NETWORKS - A method, device, and computer-readable storage element enables a multi-mode device to establish a session through multiple networks in a communication system. The method includes registering, at the same time, each of a plurality of sub-clients of a single multi-mode device with a single application server, wherein each sub-client is separately registered through a different network, using an individual logical identity. The method further includes detecting an invitation including session parameters to establish a session using the single application server, and selecting at least one of the sub-clients to process the invitation based on the session parameters to establish the session through the networks corresponding to the selected sub-client. | 10-08-2009 |
20100020745 | METHOD FOR DISTRIBUTING MEDIA IN AN INFRASTRUCTURE BASED COMMUNICATION SYSTEM - A wireless communication device acquires membership in a predefined group, joins an ad hoc network associated with the predefined group, and joins and participates in a first session established through an infrastructure device for distributing media to the predefined group. If the wireless communication device is a duplicator node for the ad hoc network, then it receives the media from the infrastructure device and distributes the media other nodes of the ad hoc network, otherwise it receives the media from the duplicator node. The infrastructure device identifies the duplicator node for each ad hoc network associated with the predefined group and each member of the predefined group that is not a node of any of the ad hoc networks and distributes the media only to these members of the predefined group. | 01-28-2010 |
20100071027 | METHOD OF PROVIDING A MIXED GROUP COMMUNICATION SESSION - A method of providing a mixed group communication session for a mixed group containing protected users and a guest user is provided. The method uses a secure server to assign temporary Identities (IDs) to the protected users. The secure server forms a mixed group session containing desired participants from among the protected users and the guest user. The secure server provides limited group rights to the guest user in the mixed group session. During the mixed group session, the secure server uses the permanent IDs of the protected users towards other protected users and temporary IDs of the permanent users towards the guest user. Also provided is a method for providing a mixed group communication session for a mixed group containing protected users and a guest user, wherein temporary IDs are assigned to protected users and the guest user. | 03-18-2010 |
20100234057 | METHOD AND DEVICE FOR ENABLING SELECTIVE PRIVACY IN A PUSH TO TALK (PTT) WIRELESS GROUP COMMUNICATION SESSION - A method and device for enabling selective privacy in a push to talk (PTT) wireless group communication session provides improved control over sharing of user identity information. The method includes processing at a PTT server a request for selective privacy. The PTT server then processes one or more selective privacy parameters, whereby at least a first session participant is enabled to receive an identification of a second session participant and a third session participant is not enabled to receive an identification of the second session participant. The PTT server then facilitates the PTT wireless group communication session between at least the first session participant, second session participant, and third session participant according to the one or more selective privacy parameters. | 09-16-2010 |
20100248680 | SYSTEM AND METHOD FOR CONTROLLING USE OF UPLINK RANDOM ACCESS CHANNELS (RACHS) BASED ON MULTI-DIMENSIONAL SUBSCRIBER CLASSIFICATION - Systems and methods are provided for controlling use of uplink random access channels (RACHs) based on multi-dimensional subscriber classification. These systems and methods are useful in cellular communication networks that implement, for example, a public safety cellular system. | 09-30-2010 |
20100332647 | METHOD AND SYSTEM OF UPDATING PRESENCE INFORMATION IN A COMMUNICATION SYSTEM - In implementing a method of updating presence information for a plurality of presentities in a communication system, a presence server: defines a group of presentities that share the same value for a first presence attribute; receives an update of the value of the first presence attribute for one of the presentities in the group; and applies the update of the value to all of the presentities in the group. | 12-30-2010 |
20110047558 | METHOD FOR PRESENCE INFORMATION SUBSCRIPTION IN A GROUP COMMUNICATIONS SYSTEM - In a group communications system, a group watcher module subscribes to presentities of interest for a particular group by communicating, to at least one presence server module, a set of subscriptions to a plurality of presentities, wherein each subscription contains a set of event notification criteria for a presentity. When the group watcher module detects a change in presence information for the set of subscriptions, it determines current members of the group and distributes the change in presence information to the current members. | 02-24-2011 |
20110074579 | METHOD FOR USING RECORDING RULES AND PREVIOUS VALUE SELECTION RULES FOR PRESENCE INFORMATION IN A COMMUNICATIONS SYSTEM - In a communications system, a presence server maintains and distributes presence information in accordance with recording rules and previous value selection rules. The presence server: associates a recording rule with each presence information element in a subset of a plurality of presence information elements for a presentity; maintains a set of previous values according to the recording rule associated with the presence information element, for each presence information element in the subset; receives an initial subscribe request from a watcher for one or more presence information elements in the subset; and in response to the initial subscribe request, notifies the watcher of a number of the previous values maintained for each presence information elements in the subscribe request, wherein the number of the previous values that is sent is determined by a previous value selection rule associated with each presence information element. | 03-31-2011 |
20110151917 | METHOD AND APPARATUS FOR BRIDGING CALLS BETWEEN TWO DISPARATE PUSH-TO-TALK SYSTEMS - A PTT bridging gateway between a first PTT system and a second disparate PTT system: receives an invitation to a first client to join a first group call for a first group comprising multiple member clients on the first PTT system, wherein the first client is one of the member clients of the first group; determines that the first client is mapped to a second group comprising multiple member clients on the second PTT system; and initiates a second group call to the multiple member clients on the second PTT system. | 06-23-2011 |
20110154446 | SYSTEM AND METHOD OF CONTROLLING IDENTITY PRIVACY IN A COMMUNICATION SESSION - A system and methods for controlling identity privacy in a communication session include processing, at a communication server, a request from a first participant of the communication session to add a second participant to the communication session. Based on the request, the communication server establishes a set of privacy rules related to the second participant that control sharing of identity information between the second participant and a third participant of the communication session. | 06-23-2011 |
20110158184 | METHOD AND APPARATUS FOR RESOURCE ALLOCATION IN A SHARED WIRELESS NETWORK - Resource allocation is performed in a shared wireless network that includes multiple cells, a shared wireless network QoS manager, and multiple local QoS managers. The shared wireless QoS manager receives from multiple ones of the local QoS managers on a per cell and per QoS service class basis (for a plurality of QoS service classes): an aggregation of current cell usage estimations; an aggregation of cell load level indicators, and an aggregation of additional resources needed. Using this received information, the shared wireless network QoS manager: determines a total capacity of each cell that is needed to satisfy a total resource need on a cell by cell basis for the local QoS managers; and based on a maximum capacity for each cell, allocates to each local QoS manager a percentage of their total resource need. | 06-30-2011 |
20110161397 | METHOD FOR PRESENCE NOTIFICATION BASED ON A SEQUENCE OF EVENTS - A client entity generates a subscription to a presentity that includes a sequence of events which define a trigger that controls when a presence server sends a notification to the client entity; and the subscription further indicates a time period parameter for the sequence of events. Upon receiving the subscription, the presence server receives and monitors presence information based on the indicated time period parameter to detect an occurrence of the sequence of events, and sends the notification to the client entity when the presence information satisfies the trigger. | 06-30-2011 |
20110161399 | METHOD AND APPARATUS FOR DETERMINING A COMMUNICATION TARGET AND FACILITATING COMMUNICATIONS BASED ON AN OBJECT DESCRIPTOR - A server performs a method for determining a communication target and facilitating communications with the target based on an object descriptor. The method includes the server receiving, from a requestor in a communication system, an object descriptor for an object, a description of a relationship between the object and a target in the communication system, and a request for a communication action with the target. The server then determines the target using the object descriptor and the relationship between the object and the target and facilitates the communication action with the target. | 06-30-2011 |
20120026880 | METHOD AND SYSTEM FOR SETTING QUALITY OF SERVICE FOR A BEARER IN RESPONSE TO AN EMERGENCY EVENT - An interoperability gateway performs a method for setting Quality of Service for a bearer in response to an emergency event. The method includes the interoperability gateway performing: receiving a indication of an emergency event for a first user, wherein the first user is operating a first device in a first network of a first network type; responsive to receiving the indication, determining a set of devices related to the first user, wherein the set of devices includes the first device and at least a second device operating in a second network of a second network type; instructing the second network to modify at least one Quality of Service setting for the second device. | 02-02-2012 |
20120026947 | LOCATION BASED POLICY FOR USER EQUIPMENT OPERATING IN DIFFERENT AREAS OF A SHARED HOME LONG TERM EVOLUTION SYSTEM - A method for location based policy for UE operating in different areas of a shared home LTE system includes: responsive to detecting a trigger, determining a first enterprise operating area (EOA) in which the UE is currently located, wherein the first EOA is one of a plurality of EOAs of the LTE system; determining whether the first EOA is a home EOA or a visited EOA; when the first EOA is the home EOA, selecting a first set of policy rules for the UE; when the first EOA is the visited EOA, selecting a second set of policy rules for the UE that provides a lower Quality of Service (QoS) than the first set of policy rules; if a trust relationship exists, selecting a third set of policy rules for the UE while in the visited EOA, which provides a higher QoS than the second set of policy rules. | 02-02-2012 |
20120027025 | METHODS FOR BEARER RESERVATION, MAINTENANCE, AND USE IN A COMMUNICATION SYSTEM - A method for bearer reservation, maintenance, and use in a communication system is performed by an intermediary function (IF) in the enterprise network. The IF processes a user plane reservation request for a flow of user plane data from a sourcing device, and determines a set of bearers to transport the flow of user plane data. The IF requests from at least one access network the determined set of bearers, and receives from the at least one access network an allocated set of bearers, wherein the allocated set of bearers comprises one or more bearers. The IF receives the flow of user plane data from the sourcing device. The IF receives an indication that at least one of the bearers in the allocated set of bearers is unavailable, and prevents at least a portion of the flow of user plane data from being transmitted over the default bearer. | 02-02-2012 |
20120028626 | POLICY DETERMINATION FOR USER EQUIPMENT PROVIDNG MUTUAL AID IN A VISITED ENTERPRISE OPERATING AREA OF A LONG TERM EVOLUTION SYSTEM - A Mutual Aid QoS Function (MAQF) performs a method for determining policy for user equipment (UE) providing mutual aid in a mutual aid enterprise operating area of a Long Term Evolution (LTE) system. The method includes: receiving an indication that a UE is assigned to provide mutual aid in a mutual aid enterprise operating area, wherein the UE has a home enterprise operating area that is different than the mutual aid enterprise operating area; detecting that the UE has entered the mutual aid enterprise operating area; selecting a set of mutual aid policy rules for the UE while the UE is providing mutual aid in the mutual aid enterprise operating area. | 02-02-2012 |
20120092992 | SERVICE DATA FLOW DETECTION IN A CONFORMING 3GPP ACCESS NETWORK HAVING A PACKET MODIFICATION FUNCTION - A system includes: a packet processing function and a packet modification function. The packet processing function receives a packet generated by a sending application function and destined for a receiving application function. The packet includes first identifier information, and the packet processing function adds second identifier information thereto. The packet modification function: receives the packet; alters it in a way that prevents use of the first identifier information by a 3GPP conforming service data flow detection process to map the packet to a first service data flow for the sending application function; and provides the packet to a packet routing function with the second identifier information positioned in the packet to enable the packet routing function to use the second identifier information in the 3GPP conforming service data flow detection process to map the packet to the first service data flow and to a bearer for transporting the packet. | 04-19-2012 |
20120099564 | METHOD AND APPARATUS FOR DISTRIBUTING VIDEO PACKETS OVER MULTIPLE BEARERS FOR PROVIDING UNEQUAL PACKET LOSS PROTECTION - A method and apparatus distributes video packets over multiple bearers for providing unequal packet loss protection. The method includes a packet processing function receiving a plurality of packets collectively comprising a flow of sequential data included in a sequence of media frames. For each packet, the packet processing function: applies a bearer selection process to select one of a plurality of bearers for transporting the packet over an access network, wherein each bearer has a different quality of service level which influences the probability of the transported packets being intentionally discarded by the access network, wherein the bearer selection process causes distribution of the plurality of packets across the plurality of bearers such that each bearer carries non-consecutive packets both within any given media frame and across sequential media frames and provides unequal packet loss protection for the packets in the plurality; and provides an indication of the selected bearer. | 04-26-2012 |
20120135775 | METHOD OF CONTROLLING SHARING OF PARTICIPANT IDENTITY IN A GROUP COMMUNICATION SESSION - A system and methods for increasing the granularity of privacy control in a group communication session are presented. A privacy rule is established for a participant in the session. The privacy rule specifies for different identity sharing triggers whether the participant identity is to be shared with other participants in the session. The privacy of the participant is able to be different dependent on the particular identity sharing trigger. The privacy rule is set by participant initiating the session, a separate server, or the participant. In the last case, the participant is able to specify privacy for a media or data stream when requesting the floor to transmit the stream. The identity of the participant is automatically modified dependent on session context information. | 05-31-2012 |
20130028075 | DETECTING ABNORMAL BEARER TERMINATION AND DYNAMICALLY RESTORING FLOWS UTILIZING AN ALTERNATIVE BEARER - An abnormal termination of a dedicated bearer (e.g., a lost bearer) ( | 01-31-2013 |
20130059622 | METHOD AND APPARATUS FOR PROVIDING A GROUP COMMUNICATIONS FOLLOW MODE - A method and apparatus for enabling a group communications follow mode at a first group communications (GC) user equipment (UE) device. A GC server receives a request from a first client UE device to follow a second Client UE device, and responsively: affiliates the first client UE device with a same one or more talk groups with which the second client UE device is currently affiliated, monitors for talk group affiliation and disaffiliation requests from the second client UE device and automatically affiliates or disaffiliates both the first client UE device and the second client UE device from a first particular talk group in accordance with a corresponding affiliation or disaffiliation instruction received from the second client UE device. | 03-07-2013 |
20130136036 | METHOD AND APPARATUS FOR MANAGING QUALITY OF SERVICE SETTINGS FOR GROUP COMMUNICATIONS - A centralized quality of service (QoS) entity having a processing device performs a method for managing QoS settings for group communications. The method includes: determining a plurality of active participants of a group communication session; and determining, for each active participant, an individual QoS setting, including a first individual QoS setting for a first active participant. The method further includes modifying the first individual QoS setting based on the individual QoS setting for at least one other active participant, wherein the modified first individual QoS setting is applied to a session leg used by the first active participant during the group communication session. The active participants of the group communication session can be on the same or heterogeneous wireless networks. | 05-30-2013 |
20130156175 | METHOD AND APPARATUS FOR ENABLING VOICE DISCUSSIONS AMONG INDEPENDENT AND SIMULTANEOUS USERS OF DATA CONTENT - Some embodiments are directed to methods and apparatuses for enabling voice discussions about a same data content being independently and simultaneously accessed on at least two devices. A server detects when a first device of the at least two devices accesses the data content. The server identifies and reserves an available voice communication group resource. Responsive to detecting that the at least two devices are independently and simultaneously accessing the data content, the server identifies and reserves an available voice communication group resource, and sends a voice group identifier for a reserved voice communication group resource to the at least two devices to allow access to the reserved voice communication group resource. | 06-20-2013 |
20130201922 | METHOD AND APPARATUS FOR ADMITTING A REQUEST FOR ALLOCATION OF WIRELESS CONNECTION RESOURCES IN A COMMUNICATION SYSTEM - A method and apparatus for admitting requests for allocation of bandwidth in a communication system is provided herein. During operation, available bandwidth is logically divided for use among commercial users and public-safety users, where the commercial users utilize a predefined portion of the bandwidth and the public-safety users utilize a public-safety portion of the bandwidth. When a public-safety bearer request is made, and available bandwidth does not exist within the public safety portion of the bandwidth, some bandwidth unoccupied by commercial users from commercial portion can be used to admit the bearer request. When commercial bandwidth is occupied by commercial users, lower priority commercial users can be preempted so that commercial bandwidth can be used to handle the bearer request. In a similar manner, the public-safety portion of available bandwidth can temporarily be used by commercial users. | 08-08-2013 |
20140105017 | SERVICE DATA FLOW DETECTION IN A CONFORMING 3GPP ACCESS NETWORK HAVING A PACKET MODIFICATION FUNCTION - A system includes: a packet processing function and a packet modification function. The packet processing function receives a packet generated by a sending application function and destined for a receiving application function. The packet includes first identifier information, and the packet processing function adds second identifier information thereto. The packet modification function: receives the packet; alters it in a way that prevents use of the first identifier information by a 3GPP conforming service data flow detection process to map the packet to a first service data flow for the sending application function; and provides the packet to a packet routing function with the second identifier information positioned in the packet to enable the packet routing function to use the second identifier information in the 3GPP conforming service data flow detection process to map the packet to the first service data flow and to a bearer for transporting the packet. | 04-17-2014 |
20140106808 | ENHANCED PUSH TO TALK SYSTEMS AND METHODS WITH FLOOR CONTROL AND MEDIA TRAFFIC OPTIMIZATION - An enhanced push to talk (PTT) method, a network, and a PTT server provide floor control and media traffic optimization for push to talk over cellular (PoC). Specifically, multiple Session Initiation Protocol (SIP) sessions are contemplated between controlling and participating servers while only requiring a single Real Time Protocol (RTP) session for media and a single Real Time Control Protocol (RTCP) session for floor control. In the single RTP and RTCP session, the synchronization source identifier (SSRC) can be used to differentiate between users equipment (UEs) at the controlling and participating servers. | 04-17-2014 |
20140120973 | ENHANCED NETWORK-NETWORK INTERFACE SYSTEMS AND METHODS FOR MULTIMEDIA BROADCAST MULTICAST SERVICES - A method between a controlling server and a participating server, a network, and a server include enhanced signaling via a Multicast-Broadcast Single Frequency Network (MBSFN) report allowing User Equipment (UE) to communicate MBSFN areas to a controlling server. Thus, the enhanced controlling server's Multimedia Broadcast Multicast Services (MBMS) decisions can count all visiting devices in addition to its own in its MBSFN areas. The method, network, and server include new signaling and additional info to provide a participating server with MBSFN areas that will have MBMS activated for a group session. This enhances the participating server's determination of which its visiting devices need unicast bearers. The participating server can add information related to the current MBSFN area of its UE to a message to the controlling server indicating joining the UE to a group. | 05-01-2014 |
20140126452 | SYSTEM AND METHOD FOR MBMS SUPPORT - A system and method handles a group session of a communication group. The method includes determining server association data and access network association data for each mobile unit in a communication group. The server association data indicates a first association with a Push-To-Talk (PTT) server. The access network association data indicates a second association with an operating area respective to the PTT servers. The method includes determining a first MU of the MUs in the communication group being associated with a first PTT server and associated with a MBMS operating area of a second PTT server, the first PTT server controlling the group session. When none of the MUs participating in the group session is associated with the second PTT server, the method includes inviting the second PTT server to join the group session of the communication group. | 05-08-2014 |
20140177506 | METHOD AND APPARATUS FOR IDENTIFYING A MULTIMEDIA BROADCAST/MULTICAST SERVICE (MBMS) AREA IN A WIRELESS COMMUNICATION SYSTEM - A method and eMBMS-enabled infrastructure device are disclosed that provide an updated mechanism for a client, or user equipment (UE), to report its location such that an eMBMS-enabled application desiring eMBMS location information can uniquely identify the MBSFN in which the UE is located. The method and eMBMS-enabled infrastructure device identify an eMBMS area associated with a user equipment UE by receiving, from the UE, a Multicast Broadcast Single Frequency Network (MBSFN) Area update message from a user equipment, wherein the MBSFN Area update message uniquely identifies an MBSFN Area and includes an extension identifier derived from one or more of a cell identifier, an eNodeB identifier, an identifier of a group of cells, a service identifier, a tracking area identifier, and a paging area identifier, and optionally further may include an MBSFN AreaID, and determining an MBSFN Area serving the user equipment based on the received eMBMS area identifier. | 06-26-2014 |