Patent application number | Description | Published |
20110205969 | COMMUNICATION USING DIRECTIONAL ANTENNAS - Method and apparatus having a beamforming antenna generates a plurality of directional antenna beams. A discovery beacon is generated for use in associating with a wireless transmit/receive unit (WTRU). The discovery beacon is transmitted to a plurality of sectors using coarsely focused directional antenna beams. A WTRU may receive one of the coarsely focused directional antenna beams, and may then transmit a response message. Finely focused directional antenna beams are establishing for packet data transmission. A periodic beacon may then be transmitted to the WTRU using one of the coarsely focused directional antenna beams. | 08-25-2011 |
20110287802 | SYSTEMS AND METHODS FOR DYNAMIC WHITESPACE SPECTRUM MANAGEMENT - Systems and methods for dynamic white space management are described. First, local handling of channel queries, in which a channel query by a white space device (WSD) is handled by a local dynamic spectrum management (DSM) server, if the DSM server has all the information necessary for providing a response to the channel query. Second, a search extension, in which a WSDB passes part of a search for available channels to a local DSM server. Third, assisting of an available channel calculation, in which a DSM server provides spectrum sensing information to WSDBs to improve the available channel calculation within the WSDBs. And fourth, dynamic bandwidth management to meet the coexistence requirements. In addition, the content of the messages and procedures that enable the above value-adding functions and interactions with the WSDB systems are described. | 11-24-2011 |
20120026941 | METHOD AND APPARATUS FOR SENDING AN AGGREGATED BEACON - Techniques for sending an aggregated beacon in a cognitive wireless network are disclosed. A beacon device may segment beacon information and send beacon segments via a plurality of channels simultaneously. A certain information elements of the beacon information may be included in each beacon segment. Each beacon segment may include channel information for other beacon segments that are transmitted simultaneously. Alternatively, a discovery beacon may be transmitted in addition to a regular beacon. The discovery beacon may include information indicating an operating channel on which the regular beacon is transmitted. The discovery beacon may be transmitted using a predetermined channel bandwidth, with a smaller beacon interval than the regular beacon, or in a frequency hopping fashion. The discovery beacon may be sent on a channel selected based on a regulatory class and corresponding channel information. The discovery beacon may be transmitted on a side channel. | 02-02-2012 |
20120094681 | SERVICE-BASED APPROACH TO CHANNEL SELECTION AND NETWORK CONFIGURATION FOR TELEVISION WHITE SPACE NETWORKS - A method for managing channel selection in a dynamic spectrum management network includes receiving a spectrum allocation request; based on the source of the spectrum allocation request, checking for available channels; based on the source of the spectrum allocation request, collecting sensing and usage data for the available channels; providing the channel usage data to an entity that transmitted the spectrum allocation request. | 04-19-2012 |
20120113918 | SILENT PERIOD METHOD AND APPARATUS FOR DYNAMIC SPECTRUM MANAGEMENT - Described herein is a silent period method and apparatus for dynamic spectrum management. The methods include configuration and coordination of silent periods across an aggregated channel in a wireless communication system. A silent period management entity (SPME) dynamically determines silent period schedules for channels based on system and device information and assigns a silent period duration and periodicity for each silent period. The SPME may reconfigure the silent period schedule based on system delay, system throughput, channel quality or channel management events. A silent period interpretation entity (SPIE) receives and implements the silent period schedule. The silent periods for the channels may be synchronized, independent, or set-synchronized. Interfaces for communicating between the SPME, SPIE, a channel management function, a medium access control (MAC) quality of service (QoS) entity, a sensing/capabilities database, a MAC layer management entity (MLME) and a wireless receive/transmit unit (WTRU) MLME are described herein. | 05-10-2012 |
20120120892 | METHOD AND APPARATUS FOR WIRELESS DIRECT LINK OPERATION - A dynamic spectrum management (DSM) system includes a plurality of stations and a central entity. A plurality of different radio access technologies are deployed in the DSM system and the central entity coordinates and manages wireless communications in the network. A direct link station receives a beacon periodically from an access point (AP). The direct link station may receive a direct link synchronization message from the AP indicating that a following target beacon transmission time (TBTT) is a synchronization TBTT (STBTT). The direct link station may silence the direct link channels during the STBTT. The direct link station may perform carrier sense multiple access (CSMA) on a primary channel of the direct link to get an access to all direct link channels. A connectivity map procedure may be performed to establish a map for connectivity, services, or capabilities of the devices in the network. | 05-17-2012 |
20120134328 | METHOD AND APPARATUS FOR DYNAMIC SPECTRUM MANAGEMENT - Described herein are methods, apparatus and architecture for dynamic spectrum management (DSM) including protocol stacks, logical entities and functionalities that support DSM operation in opportunistic spectrum such as television white space (TVWS). The architecture supports aggregating bandwidth at the internet protocol (IP) layer over licensed and opportunistic bands as well as noncontiguous spectrum aggregation at the medium access control (MAC) layer. The control plane protocol stack includes a multi network transport protocol (MNTP), a channel management (CM) protocol, a policy protocol, a medium access control (MAC) entity, a physical entity and an air interface, all of which are configured to allocate, monitor, and update aggregated spectrum resources with respect to a DSM client. | 05-31-2012 |
20120275310 | METHOD AND APPARATUS FOR CONTROLLING THE APPLICATION OF SELECTED IP TRAFFIC OFFLOAD AND LOCAL IP ACCESS - A method and apparatus are described for controlling the application of Selected Internet Protocol (IP) traffic offload (SIPTO) or Local IP Access (LIPA) services for a wireless transmit/receive unit (WTRU). The SIPTO and LIPA services may be performed over packet data network (PDN) connections. A user of the WTRU may be prompted to accept or reject the usage of the SIPTO or LIPA services. The user of the WTRU may request switching from SIPTO or LIPA services to non-SIPTO or non-LIPA services. | 11-01-2012 |
20120276865 | METHOD AND APPARATUS FOR NON-VOICE EMERGENCY SERVICES - A method and apparatus for performing non-voice emergency services (NOVES) between a wireless transmit/receive unit (WTRU) and a public safety answering point (PSAP) is disclosed. A NOVES session may be initiated by sending a NOVES initiation request message that includes information relating to the NOVES capabilities of the WTRU, and information relating to an emergency situation. The information relating to the NOVES capabilities of the WTRU may include an indication of whether the WTRU supports a fake power-off mode, or whether the WTRU supports PSAP control. Other methods are disclosed that include a method for a PSAP combining a multiple NOVES sessions, and a method for handing over a NOVES session having multiple media streams. | 11-01-2012 |
20120281566 | METHOD AND APPARATUS FOR CONTROLLING CONNECTIVITY TO A NETWORK - Method and apparatus for controlling connectivity to a network for intermittent data services are disclosed. A new dormant mode is defined such that a wireless transmit/receive unit (WTRU) may transition from a connected state or an idle state to the dormant mode based on triggering conditions. The WTRU may transition from a connected state or an idle state to a dormant mode if the characteristic or the priority of the data matches a characteristics or a priority for the dormant mode and operate using configuration which is different from configuration used for the connected state or the idle state. The WTRU in the dormant mode may perform a WTRU-controlled mobility procedure. The WTRU in the dormant mode may maintain a dedicated resource, such as a cell radio network temporary identity (C-RNTI), for receiving a unicast traffic from the network. | 11-08-2012 |
20120294236 | METHOD AND APPARATUS FOR USING CONTROL PLANE TO TRANSMIT AND RECEIVE DATA - Methods and apparatus are described for transmitting and receiving data by a wireless transmit/receive unit (WTRU) over the control plane. The methods may receive data without the use of an Internet Protocol (IP) address. In an example method, a WTRU may enter an evolved packet system (EPS) mobility management (EMM)-registered control plane only (CPO) state after receiving an attach accepted message for CPO operation, and enter an EMM-deregistered state after receiving a detach message, a tracking area update (TAU) reject message or an attach reject message. In another method, a WTRU may switch between operational modes that use an IP address and a user plane to transmit and receive data, and the CPO mode. | 11-22-2012 |
20130003697 | METHOD AND APPARATUS FOR SUPPORTING LOCAL IP ACCESS AND SELECTED IP TRAFFIC OFFLOAD - A method and apparatus for home Node-B (HNB) mobility with a local IP access (LIPA) packet data network (PDN) connection are described. A target home node-B (HNB) may receive a handover request message from a source HNB to handover a wireless transmit/receive unit (WTRU). A path switch request may be transmitted to a local gateway (LGW) to change a downlink data path towards the target HNB in response to the handover request message. The LGW may act as a mobility management and local mobility anchor for the handover; and informing an HNB gateway (GW) about the handover so that the downlink data path for core network (CN) traffic is modified towards the target HNB. | 01-03-2013 |
20130003698 | METHOD AND APPARATUS FOR MANAGING SERVICE CONTINUITY - Methods and apparatus are disclosed that determine whether service continuity is allowed in a target cell for a wireless transmit/receive unit (WTRU) connected to a source local gateway (LGW) via a local internet protocol access (LIPA) Packet Data Network (PDN) connection. The existence of a connection between the source LGW and a target LGW is also determined. Whether the WTRU user settings allow service continuity is determined. On a condition that service continuity is not allowed for the target LGW or for the WTRU, the LIPA PDN connection is deactivated. On a condition that service continuity is allowed for the target network and for the WTRU, the LIPA PDN connection is maintained. Methods for handling handover, paging and emergency calls are also described herein. | 01-03-2013 |
20130016696 | METHOD AND APPARATUS FOR MULTI-RAT ACCESS MODE OPERATION - A method and apparatus for multiple radio access technology (multi-RAT) access mode operation for a wireless transmit/receive unit (WTRU) are disclosed. A WTRU and a network may enable a multi-RAT access mode of operation based on at least one of WTRU subscription, a service agreement of the WTRU, a roaming status of the WTRU, a selected access point name (APN), an Internet protocol (IP) flow class, a subscriber profile identity for the WTRU, requested quality of service, or a proximity indication indicating proximity to a cell supporting multi-RAT access mode. The WTRU may send a capability indication of support of multi-RAT access to a network, wherein the multi-RAT access mode is enabled based on the capability indication. A partial handover of bearers may be performed. In performing the handover, the target cell is determined based on a priority rule. | 01-17-2013 |
20130044709 | METHOD AND APPARATUS FOR USING NON-ACCESS STRATUM PROCEDURES IN A MOBILE STATION TO ACCESS RESOURCES OF COMPONENT CARRIERS BELONGING TO DIFFERENT RADIO ACCESS TECHNOLOGIES - Methods and apparatus are disclosed for a wireless transmit/receive unit (WTRU) to perform a multi-radio access technology (RAT) access (MRA) operation. The apparatus may include a WTRU non-access stratum (NAS) entity to communicate with a first and second NAS entity of a first and second core network (CN). Alternatively, the first WTRU NAS entity communicates with a first NAS entity of a first CN, and a second WTRU NAS entity communicates with a second NAS entity of a second CN. The apparatus may include a radio resource control (RRC) entity which controls a first RAT connected to the first CN and a second RAT connected to the second CN. Alternatively, the apparatus includes an RRC entity which controls a first connection using a first RAT connected to the first CN and a second connection using a second RAT connected to a second CN. | 02-21-2013 |
20130083773 | METHODS, APPARATUS AND SYSTEMS FOR ENABLING MANAGED REMOTE ACCESS - Methods, apparatus, and systems are disclosed for handover of a Wireless Transmitter/Receiver Unit (WTRU) moving between a local network and another network. The WTRU established a local IP access (LIPA) session in the local network via a first Access Point (AP). The method includes receiving, by a second AP in the other network, a request to connect to the other network; and transitioning the LIPA session in the local IP network to a managed remote access (MRA) session in the other network. The transitioning includes establishing a path between the first AP and the second AP via a gateway, and informing the gateway of the transition to the MRA session. | 04-04-2013 |
20130089076 | LOCAL / REMOTE IP TRAFFIC ACCESS AND SELECTIVE IP TRAFFIC OFFLOAD SERVICE CONTINUITY - Disclosed herein are systems and methods for handling closed subscriber group (CSG) based local/remote IP traffic offload and selective IP traffic offload. According to an aspect, a method may be implemented at user equipment (UE). The method may include determining that a service to the UE requires a predetermined quality of service (QoS). The method may also include selecting a gateway from among a plurality of gateways in response to determining that the service to the UE requires the predetermined QoS. | 04-11-2013 |
20130155954 | METHOD AND APPARATUS FOR TRIGGERING MACHINE TYPE COMMUNICATIONS APPLICATIONS - A method and apparatus for triggering at least one machine type communications (MTC) application using at least one wireless transmit/receive unit (WTRU) is disclosed. The method includes receiving a triggering message including a device trigger (DT) and a maximum delayed response time value from a core network entity (CN), storing the DT in the WTRU, initiating a timer in the WTRU set to the maximum delayed response time value, and on a condition that the timer expires, the WTRU transitioning to a radio resource control (RRC) connected mode and dispatching the DT to the MTC application. | 06-20-2013 |
20130201830 | Machine Type Communications Connectivity Sharing - Methods, apparatuses, and systems are described for machine type communication (MTC) devices to share the same data path when the MTC devices transmit data to destination, or vice versa. The shared data path may run through the whole length of the traffic end-to-end or a segment between two nodes. A method may involve routing a first communication from a first MTC device toward a first MTC server through a logical 3GPP path between a first 3GPP network node and a second 3GPP network node. The logical 3GPP path is assigned a path identifier. The method may also comprise routing a second communication from a second MTC device toward a second MTC server through the logical 3GPP path. | 08-08-2013 |
20130225123 | METHOD AND APPARATUS FOR SEAMLESS DELIVERY OF SERVICES THROUGH A VIRTUALIZED NETWORK - Methods and apparatus for using a virtual currency module (VCM) to access service networks are described. The VCM may access the service network without the use of a UICC linked to an MNO. Virtual currency may be used to validate subscriber credentials without needing to be linked to a particular MNO. Dynamic subscription assignment may be performed upon registration and validation of credentials with a financial institution. Financial institutions may be used to support and validate virtual currency. Menus may be provided to allow a user to select specific services while accessing the service networks. | 08-29-2013 |
20130242730 | RANDOM ACCESS PROCEDURES IN WIRELESS SYSTEMS - A wireless transmit/receive unit (WTRU) may detect cell congestion by selecting a preamble type as a function of priority level, transmitting the preamble to a serving cell, receiving a random access response (RAR) from the serving cell, determining a congestion state of the serving cell as a function of the received RAR, and/or responding to the congestion state of the serving cell. RACH functionality may be improved by allocating one or more sets of Physical RACH (PRACH) resources to a WTRU. The WTRU may configure the additional PRACH resources based on the allocation. A WTRU may determine a second set of PRACH resources based at least in part on a first set of PRACH resources. A WTRU may determine additional sets of PRACH preambles and may utilize modified PRACH preambles and/or modified PRACH preamble formats. The WTRU may signal additional PRACH resources. | 09-19-2013 |
20130258967 | LOCAL INTERNET PROTOCOL ACCESS (LIPA) EXTENSIONS TO ENABLE LOCAL CONTENT SHARING - Methods and apparatus for enabling local content sharing are described. A wireless transmit/receive unit (WTRU) transmits a non-access stratum (NAS) message with a content sharing session request to a network entity. The network entity verifies that the WTRU and a sharing WTRU are allowed to participate in a content sharing session. Upon verification, the network entity sends a NAS response with the content sharing session set-up information to the WTRU and sends a resource allocation request for the content sharing session to other network entities. The WTRU establishes the content sharing session between the WTRU and sharing WTRU using a local gateway (LGW) connection absent non-local entity connections and transmits content between the WTRU and the other WTRU using the LGW connection during the content sharing session. | 10-03-2013 |
20130287012 | METHOD AND APPARATUS FOR OPTIMIZING PROXIMITY DATA PATH SETUP - A method and apparatus are described for maintaining communications over a bearer when at least one of two wireless transmit/receive units (WTRUs) transition to idle mode. In one case, a direct WTRU-to-WTRU bearer may be released in response to a first one of the WTRUs transitioning to idle mode. A second one of the WTRUs may send a first of a plurality of packets to the first WTRU via a default packet data network (PDN) connection or a default bearer towards the PDN connection. The first packet may have a destination Internet protocol (IP) address of the second WTRU and trigger paging to the first WTRU. The first WTRU may transition to connected mode in response to the paging. Other cases may release a portion of a bearer, rather than the entire bearer. A method and apparatus for initiating proximity service bearer establishment is also described. | 10-31-2013 |
20130288668 | METHOD AND APPARATUS FOR SUPPORTING PROXIMITY DISCOVERY PROCEDURES - A method and apparatus are described for supporting a two-stage device-to-device (D2D) discovery using a D2D interworking function (IWF). A D2D IWF component may be configured to perform mapping between an application running on an application server and a third generation partnership project (3GPP) network, and provide a set of application programming interfaces (APIs) to allow discovery to be provided as a service to D2D applications. An application identifier may be mapped to a 3GPP identifier. Further, a method and apparatus are described for performing client-server discovery. A first wireless transmit/receive unit (WTRU) may be configured for a listen-only operation, and a second WTRU may be configured to transmit beacons. The first and second WTRUs may perform a radio access network (RAN) discovery procedure at an access stratum (AS) layer. A method and apparatus for performing charging for D2D service using a D2D IWF are also described. | 10-31-2013 |
20130303114 | FLEXIBLE NETWORK SHARING - Flexible sharing of common radio access network (RAN) resources may pool unallocated resources. For example, sharing of the network resources may be static, e.g., the sharing contract may define a fixed percentage allocation of network resources that may not be modified without change in contract. The sharing of the network resource may also be dynamic and may accommodate the capacity needs of hosted operators on a real-time basis. | 11-14-2013 |
20140022904 | METHOD AND APPARATUS FOR DETECTING AND MANAGING USER PLANE CONGESTION - A method and apparatus for managing user plane congestion in a network are disclosed. A method performed by a wireless transmit/receive unit (WTRU) for user plane congestion in a network includes receiving an indication from the network that user plane congestion exists in the network, transmitting a request for the network to provide a lower Quality of Service (QoS) level for a particular service based on the indication, and observing a decrease in user plane QoS based on the transmitted request. | 01-23-2014 |
20140057566 | ENHANCED HIGHER LAYER DISCOVERY METHODS FOR PROXIMITY SERVICES - Systems, methods, and instrumentalities are disclosed to a method of establishing a wireless connection. The wireless connection may be an interface between an eNodeB and a proximity server. The interface may a direct interface between the eNodeB and the proximity server, for example, such that the only node between a wireless transmit/receive unit (WTRU) and the proximity server on the interface is the eNodeB. The interface may be a user plane interface. An eNodeB may receive an indication to set up the interface between the eNodeB and the proximity server. The indication may be a S1AP message received from a mobility management entity (MME), an RRC message received from the WTRU, and/or the eNodeB discovering the proximity server. Upon receiving the indication, the eNodeB may establish the interface between the eNodeB and the proximity server. The eNodeB and/or the proximity server may utilize unique session identification to identify the WTRU. | 02-27-2014 |
20140079016 | METHOD AND APPARATUS FOR PERFORMING CHANNEL AGGREGATION AND MEDIUM ACCESS CONTROL RETRANSMISSION - A method and apparatus are described for performing channel aggregation to communicate over a non-contiguous spectrum, such as television white space (TVWS), using a plurality of aggregated channels including a primary channel and at least one non-primary channel (e.g., a secondary channel, a tertiary channel or a quaternary channel). Carrier sense multiple access (CSMA) may be performed on the primary channel to obtain access to the primary channel. After waiting an arbitration interframe space (AIFS) and potentially performing backoff on the primary channel, the aggregated channels may be used for transmission. A buffer controller may be used to create, for each of a plurality of access classes (ACs), a logic buffer for each of the channels. A frame controller may be used to provide the buffer controller with aggregated medium access control (MAC) protocol data unit (A-MPDU) frame information, and control aggregation and fragmentation processes. | 03-20-2014 |
20140082697 | SYSTEM ENHANCEMENTS FOR ENABLING NON-3GPP OFFLOAD IN 3GPP - Methods and apparatuses for offloading traffic from a third generation partnership project (3GPP) access network to a non-3GPP access point (AP) are disclosed. A 3GPP access network entity may receive subscription information associated with a wireless transmit receive unit (WTRU). The 3GPP access network entity may further receive traffic associated with the WTRU. The 3GPP access network entity may further determine whether to offload the traffic to the non-3GPP AP based on the subscription information. The 3GPP access network entity may also forward the traffic to the non-3GPP AP based on its determination. | 03-20-2014 |
20140086177 | END-TO-END ARCHITECTURE, API FRAMEWORK, DISCOVERY, AND ACCESS IN A VIRTUALIZED NETWORK - Systems, methods, and instrumentalities are disclosed such that a WTRU may obtain network operator agnostic wireless access for a service. The WTRU may receive a system information (SI) broadcast from a radio access network (RAN) node. The SI broadcast may indicate that an operator of the RAN node supports service-based network access. The WTRU may send a service request to a virtual service provider to request the service. The WTRU may receive a service response from the virtual service provider. The WTRU may receive a service response from the virtual service provider, the service response indicating a mobile network operator (MNO) to use for obtaining the service and subscription information for accessing the MNO, wherein the MNO is different than the operator of the RAN node. The WTRU may access the MNO to obtain the service. | 03-27-2014 |
20140369326 | METHOD AND APPARATUS FOR TRIGGERING MACHINE TYPE COMMUNICATIONS APPLICATIONS - A method and apparatus for triggering at least one machine type communications (MTC) application using at least one wireless transmit/receive unit (WTRU) is disclosed. The method includes receiving a triggering message including a device trigger (DT) and a maximum delayed response time value from a core network entity (CN), storing the DT in the WTRU, initiating a timer in the WTRU set to the maximum delayed response time value, and on a condition that the timer expires, the WTRU transitioning to a radio resource control (RRC) connected mode and dispatching the DT to the MTC application. | 12-18-2014 |
20150044985 | METHOD AND APPARATUS FOR NON-VOICE EMERGENCY SERVICES - A method and apparatus for performing non-voice emergency services (NOVES) between a wireless transmit/receive unit (WTRU) and a public safety answering point (PSAP) is disclosed. A NOVES session may be initiated by sending a NOVES initiation request message that includes information relating to the NOVES capabilities of the WTRU, and information relating to an emergency situation. The information relating to the NOVES capabilities of the WTRU may include an indication of whether the WTRU supports a fake power-off mode, or whether the WTRU supports PSAP control. Other methods are disclosed that include a method for a PSAP combining a multiple NOVES sessions, and a method for handing over a NOVES session having multiple media streams. | 02-12-2015 |