Patent application number | Description | Published |
20090285196 | SCHEDULING WITH QUALITY OF SERVICE SUPPORT IN WIRELESS SYSTEM - Systems and methods for scheduling wireless communications of a base station with multiple user mobile stations involve grouping the user mobile stations in clusters based on a predetermined criterion, such as a QoS profile of a user mobile station. Each cluster is assigned with a cluster weight factor that defines a priority level of the cluster. For each user mobile station in each cluster, a priority index may be determined based on the cluster weight factor of a respective cluster, and throughput and fairness factors respectively selected to maximize throughput and provide fairness to user mobile stations. The user mobile stations may be served in an order based on their priority indexes. | 11-19-2009 |
20100234042 | METHOD AND SYSTEM FOR LOAD-BALANCING ACROSS MULTIPLE ACCESS NETWORKS - An approach is provided for interworking between radio access networks that utilize different radio access technologies. Loading information of a plurality of radio access networks that are accessible by a terminal is determined. A list of candidates from the radio access networks are output based on the loading information for use by the terminal. | 09-16-2010 |
20110149756 | PACKET BASED LOCATION PROVISIONING IN WIRELESS NETWORKS - A system may include a plurality of wireless devices, each wireless device including a time source and configured to selectively communicate with at least one other of the plurality of wireless devices by way of a packet-based time precision protocol. The plurality of wireless devices may include a first wireless device and a second wireless device, the first wireless device being configured to determine whether the first wireless device and the second wireless device are in selective communication over a single-hop wireless link; determine a one-way delay over the single-hop wireless link by way of at least one packed-based time precision protocol message; and calculate a distance measurement between the first wireless device and the second wireless device based at least in part on the one-way delay. | 06-23-2011 |
20110239273 | NETWORK UTILIZATION AND RESOURCE CONTROL BASED ON TRAFFIC PATTERNS - A device receives, from a user device, a request to access a network, determines whether to accept or deny the request to access the network, and monitors traffic provided to or from the user device via the network. The device also determines a traffic pattern for the user device based on the traffic, classifies the traffic as one of high throughput traffic, low packet data size traffic, or high frequency packet interval traffic, and applies different network resource control mechanisms to different classifications of the traffic. | 09-29-2011 |
20120017216 | DYNAMIC MACHINE-TO-MACHINE COMMUNICATIONS AND SCHEDULING - A method may include obtaining traffic loading and resource utilization information associated with a network for the network time domain; obtaining machine-to-machine resource requirements for machine-to-machine tasks using the network; receiving a target resource utilization value indicative of a network resource limit for the network time domain; calculating a probability for assigning each machine-to-machine task to the network time domain, wherein the probability is based on a difference between the target resource utilization value and the traffic loading and resource utilization associated with the network; calculating a probability density function based on an independent and identically distributed random variable; generating a schedule of execution of the machine-to-machine tasks within the network time domain based on the probabilities associated with the machine-to-machine tasks and the probability density function; and providing the schedule of execution of the machine-to-machine tasks. | 01-19-2012 |
20120057476 | MACHINE-TO-MACHINE COMMUNICATIONS OVER FIXED WIRELESS NETWORKS - One or more devices determine uplink signal strength for a machine-to-machine (M2M) device using a wireless access network. The one or more devices identify a default uplink transmission mode that requires the M2M device to employ transmission time interval (TTI) bundling, when the uplink signal strength is below a particular threshold, and identify a default uplink transmission mode that requires the M2M device to not employ TTI bundling, when the uplink signal strength is not below the particular threshold. The one or more devices store, in a memory, the default transmission mode for the M2M device. The one or more devices retrieve, from the memory and during a wake-up time window associated with the M2M device, the default transmission mode for the M2M device and construct, for the M2M device, an uplink scheduling grant based on the stored default transmission mode. | 03-08-2012 |
20120129509 | OPTIMIZING LONG TERM EVOLUTION (LTE) CAPACITY USING AN ADAPTIVE DORMANCY TIMER - A device classifies access or control channel signals into a first class or a second class, initializes a dormancy timer associated with the device, and sets the dormancy timer to a default value. The device also sets a signal target utilization threshold, receives actual signals via the access or control channel, and identifies, when a number of the actual signals exceeds the signal target utilization threshold, a particular signal, from the actual signals, as belonging to the first class or the second class. The device further increases the default value of the dormancy timer when the particular signal belongs to the first class, and decreases the default value of the dormancy timer when the particular signal belongs to the second class. | 05-24-2012 |
20120163265 | AUTONOMOUS NETWORK ACCESS CONGESTION AND COLLISION CONTROL - A mobile terminal receives a class identifier and receives a broadcast message with a backoff period definition for multiple classes of mobile terminals. The mobile terminal applies the class identifier to the backoff period definition to determine a backoff interval for the mobile terminal. The mobile terminal sends, to a base station, a radio resource control (RRC) connection request using the calculated backoff interval. Different backoff intervals are assigned to different classes of mobile terminals to control network access congestion at the base station. | 06-28-2012 |
20120163369 | LOW LATENCY CALL TRANSFER - A system is configured to receive, from a user device, voice traffic to be sent to another user device; determine whether the voice traffic is local traffic based on whether an eNodeB, associated with the user device, and another eNodeB, associated with the other user device, are served by a particular network device; forward the voice traffic, as non-local traffic, to another network device, associated with a packet data network, for processing when the eNodeB or the other eNodeB are not served by the particular network device; process the voice traffic as local traffic when the eNodeB and the other eNodeB are served by the particular network device; and forward, to the other user device via the other eNodeB, the voice traffic, as local traffic, where the forwarding is performed in a manner that does not include routing the voice traffic via the other network device. | 06-28-2012 |
20120300687 | NETWORK AWARE CONTENT PRE-DELIVERY OVER A RADIO ACCESS NETWORK - Efficient delivery of subscription content over a wireless network is described herein. In one implementation a device may receive load information regarding network traffic load at radio interfaces for a cellular network. The device may maintain subscription information relating to subscribers that have subscribed to receive content items and to availability of the content items. The device may determine whether a quantity of mobile devices, that are attached to the base station and are associated with subscribers that have subscribed to the first content item, is above a threshold. Finally, the device may transmit, when it is determined that the quantity of mobile devices is above the threshold, the first content item to the quantity of mobile devices as a multicast transmission over a radio interface associated with the base station. | 11-29-2012 |
20120314641 | MULTICAST-UNICAST HANDOFF SERVICES - A system may receive, from a user device, a request to receive content via a first base station, where the content was previously being received, as multicast content, via a second base station; determine, in response to the request, whether the first base station can process multicast content; transmit a copy of the content, to the user device via the first base station, as multicast content, based on a determination that the first base station can process multicast content; and transmit the content, to the user device via the first base station, as unicast content, based on a determination that the first base station cannot process multicast content. | 12-13-2012 |
20130003652 | SPLIT USAGE OF RADIO ACCESS NETWORKS WITH IMS - Different access networks may perform signaling and data delivery (bearer connection) for communication services. A device may determine, in response to a request for a service from a user of the device, whether the device is connected to a non-cellular access network. The device may transmit, when it is determined that the device is connected to the non-cellular access network, one or more control messages, relating to establishment of the service, using the non-cellular access network. The device may transmit, when it is determined that the device is not connected to the non-cellular access network, the one or more control messages, using a cellular access network. The device may establish, with a party with which the service is to connect, a bearer connection for the service over the cellular access network. | 01-03-2013 |
20130040648 | IDENTIFYING LOCATIONS FOR SMALL CELLS - A device identifies mobile devices within a geographical area associated with a carrier network. The device further divides the geographical area into cells. The device also collects network statistics associated with the mobile devices. The device assigns values to the cells based on the network statistics, and identifies locations in which to place the small cells within the geographical area based on the values. | 02-14-2013 |
20130040681 | SCHEDULING WITH QUALITY OF SERVICES, MULTIUSER DIVERSITY GAIN, AND FAIRNESS IN WIRELESS NETWORKS - Systems and methods for scheduling wireless communications of a base station with multiple user mobile stations involve grouping the user mobile stations in clusters based on a predetermined criterion, such as a QoS profile of a user mobile station. Each cluster is assigned with a cluster weight factor that defines a priority level of the cluster. For each user mobile station in each cluster, a priority index may be determined based on the cluster weight factor of a respective cluster, and throughput and fairness factors respectively selected to maximize throughput and provide fairness to user mobile stations. The user mobile stations may be served in an order based on their priority indexes. | 02-14-2013 |
20130044603 | RADIO ACCESS NETWORK TECHNOLOGY OPTIMIZATION BASED ON APPLICATION TYPE - A mobile device may monitor availability of access networks that provide connectivity for the mobile device. The mobile device may also store preference information, on a per-application basis, relating to preferences for using the access networks by applications executed by the mobile device. The mobile device may additionally select, in response to a request from an application to connect to the network, one of the access networks, based on the preference information for the application; and provide a communication channel for the application using the selected access network. | 02-21-2013 |
20130065599 | INTERFERENCE MANAGEMENT - In a network containing a macro base station and wireless access points within the range of the macro base station, information from wireless access points are used to change the quantity of almost blank subframes delivered by the macro base station, adjust the cell range extension area of one or more of the wireless access points, or provide instructions to alter the number of wireless access points. The information is analyzed. The analysis allows determination of a capacity gain associated with using the wireless access points within an area associated with the macro base station and whether the capacity gain provides at least a threshold amount of gain permitting the macro base station and the wireless access points to provide service to mobile devices within the area. | 03-14-2013 |
20130115943 | LOCATION-BASED MICROCELL SEARCH - A network device may store information identifying a coverage area associated with each of one or more cells that are associated with the network device. The network device may receive information identifying a geographic location of a user device. The network device may compare the geographic location of the user device to one or more of the stored coverage areas. The network device may also determine, based on the comparing, that the user device is within a particular coverage area of a particular cell, of the one or more cells. The network device may further send, to the user device, and based on determining that the user device is located within the particular coverage area of the particular cell, an instruction for the user device to connect to the particular cell, where the user device is to attempt to connect to the particular cell in response to the instruction. | 05-09-2013 |
20130148497 | NETWORK CONGESTION CONTROL FOR MACHINE-TYPE COMMUNICATIONS - A machine-type communications (MTC) device may attempt a network attach operation corresponding to a wireless network, and receive quality of service information, from the wireless network, in response to the network attach operation failing. The MTC device may determine a back-off time based on the quality of service information received from the wireless network. The back-off time may include a duration of time before re-attempting the network attach operation. The MTC device may re-attempt the network attach operation in response to detecting an expiration of the back-off time. | 06-13-2013 |
20130148502 | PROCESSING NETWORK TRAFFIC AT A NETWORK EDGE - A device, provided at a network edge, receives a radio frequency signal from a user equipment, and converts the radio frequency signal into an electrical signal. The device also receives, from a network controller, at least one of control information, schedule information, or congestion management information. The device performs baseband signal processing on the electrical signal, based on at least one of the control information, the schedule information, or the congestion management information, to create a modified signal. The device provides the modified signal to the network controller. | 06-13-2013 |
20130188484 | OPTIMIZING CAPACITY DURING NETWORK CONGESTION - A device receives, from mobile devices, scheduling requests for voice packets, and assigns grants to the scheduling requests. The device further determines whether there is network congestion in a network associated with the device. The device also selects a grant, from the grants, when there is network congestion, and drops a voice packets associated with the selected grant. The device assigns physical resource blocks (PRBs) to one or more of the grants that are associated with one or more of the voice packets that are not dropped. | 07-25-2013 |
20130250795 | PACKET BASED LOCATION PROVISIONING IN WIRELESS NETWORKS - A system may include a plurality of wireless devices, each wireless device including a time source and configured to selectively communicate with at least one other of the plurality of wireless devices by way of a packet-based time precision protocol. The plurality of wireless devices may include a first wireless device and a second wireless device, the first wireless device being configured to determine whether the first wireless device and the second wireless device are in selective communication over a single-hop wireless link; determine a one-way delay over the single-hop wireless link by way of at least one packed-based time precision protocol message; and calculate a distance measurement between the first wireless device and the second wireless device based at least in part on the one-way delay | 09-26-2013 |
20130267227 | LOCATION-BASED MICROCELL SEARCH - A network device may be configured to receive information regarding a location of a user device; compare the location of the user device to one or more coverage areas associated with each of one or more cells that are associated with a base station of a wireless telecommunications network; determine that the user device is within a particular coverage area of a particular cell, of the one or more cells; and instruct the user device, based on determining that the user device is within the particular coverage area of the particular cell, to connect to the particular cell. | 10-10-2013 |
20130295940 | METHOD AND SYSTEM FOR LOAD-BALANCING ACROSS MULTIPLE ACCESS NETWORKS - An approach is provided for interworking between radio access networks that utilize different radio access technologies. Loading information of a plurality of radio access networks that are accessible by a terminal is determined. A list of candidates from the radio access networks are output based on the loading information for use by the terminal. | 11-07-2013 |
20140112140 | REDUCING CONGESTION OF MEDIA DELIVERY OVER A CONTENT DELIVERY NETWORK - A device may receive a packet that includes priority information that is based on a priority assigned to bits included in the packet. The priority may be assigned based on scalable code used to encode the bits for transmission. The device may determine that an indicator of network congestion satisfies a threshold, and may schedule the packet for transmission to a user device based on the priority information and the determination that the indicator satisfies the threshold. | 04-24-2014 |
20140173722 | Methods and Systems for Mitigating Attack Traffic Directed at a Network Element - An exemplary method includes an attack traffic mitigation system 1) identifying a range of ports left open by a firewall for a network element to receive network traffic provided by a computing device, 2) designating a subset of one or more ports included in the range of open ports as being included in a legitimate port range configured to receive legitimate network traffic provided by the computing device, and 3) directing the network element to drop network traffic provided by the computing device and received by each port included in the range of open ports that is not included in the legitimate port range. Corresponding methods and systems are also disclosed. | 06-19-2014 |
20140269437 | BROADCAST MEDIA CONTENT TO SUBSCRIBER GROUP - A system includes a network device receives a request for media content from a plurality of user devices and transmits the media content in accordance with at least one of a unicast mode and a broadcast mode. A content monitoring device counts a number of requests for the media content received at the network device and selects the mode of the network device based on the number of requests received. A method includes receiving a request for media content from a plurality of user devices, counting a number of requests for media content received at the network device, selecting at least one of a unicast mode and a broadcast mode of the network device based on the number of requests received at the network device, and transmitting the media content in accordance with the selected mode. | 09-18-2014 |
20140369190 | TIER-BASED CONGESTION CONTROL FOR MULTIMODE USER EQUIPMENT - A network device may receive, from a user device, a connection request. The connection request may correspond to a request to access a first network. The network device may determine a network congestion level associated with the first network. The network device may determine priority class information associated with the user device. The network device may selectively provide access to the first network based on the network congestion level and the priority class information. The network device may selectively provide access to a second network when access to the first network is denied. | 12-18-2014 |
20150036494 | GROUPED MULTICAST/BROADCAST SINGLE FREQUENCY NETWORK (MBSFN) SPLITTING - A reporting server receives reports on content items being accessed by a plurality of UE devices through a first multicast/broadcast single frequency network (MBSFN). The reporting server determines, for each content item being accessed, which of the UE devices is accessing the content item. The UE devices are then grouped by the accessed content items such that at least one content item is accessed by a first group of UE devices and not accessed by a second group of UE devices. The reporting server then sends data representing the first and second groups to a broadcast video provisioning system (BVPS) with a recommendation to split the MBSFN into second and third MBSFNs. In another implementation, the reporting server receives reports from fourth and fifth MBSFNs and recommends joining the fourth and fifth MBSFNs to form a sixth MBSFN if broadcast bandwidth requirements are met. | 02-05-2015 |
20150039748 | NETWORK STATE SERVER FOR APPLICATION PROVIDERS - State information relating to an operational state of a network may be provided to services, such as services provided by application servers, and used to enhance the providing of the services to devices. In one implementation, the state information may be received and may include: (1) information relating to the operational state of a particular portion of a network; or (2) information relating to the operational state of the network as relevant to a particular mobile device connected to the network. A request for the state information may be received from an application server that provides services based on the state information. The request may include an identification of the particular portion of the network or an identification of the particular mobile device. The requested state information may be provided to the application server. | 02-05-2015 |
20150040162 | DYNAMIC SPLITTING OF EVOLVED MULTICAST BROADCAST MULTIMEDIA SERVICE (EMBMS) - A reporting server receives reports on unicast and/or broadcast multimedia content items being accessed by respective user equipment (UE) devices through a network. The reporting server determines, for each multimedia content item, a number of UE devices that are accessing the multimedia content item and whether it is being unicast or broadcast. The reporting server ranks the multimedia content items by the number of UE devices accessing each item. In several disclosed examples, a broadcast video provisioning system switches unicast transmissions to broadcast transmissions based on the ranked list, based on this ranking and possibly on the available unicast and broadcast bandwidth. | 02-05-2015 |
20150049661 | MOBILE DEVICE ORIGINATED MULTICAST BROADCASTING - Content originated by a mobile device may be transmitted, via multicast, to one or more other mobile devices. In one implementation, a method may include receiving, from a mobile device attached to a wireless network, a request to initiate a multicast transmission of content generated by the mobile device. The method may further include determining one or more wireless coverage areas to which the multicast transmission of the content is to be provided; receiving, from the mobile device, a unicast transmission of the content; and distributing the received content, via one or more multicast data channels that are broadcast in the one or more wireless coverage areas. | 02-19-2015 |
20150056942 | DETECTING AND HANDLING REGIONAL EVENTS BASED ON CALL ANALYSIS - A server device may be configured to receive information regarding calls that have been placed; detect, based on the information regarding the calls that have been placed, an occurrence of an event; determine a set of base stations that are associated with the event; and broadcast, via the set of base stations, a message regarding the event. | 02-26-2015 |