Patent application number | Description | Published |
20080285497 | Apparatus, method, and computer program product providing improved point-to-multipoint communication in a wimax system - The exemplary embodiments of the invention describe apparatus, methods and computer program products that provide a guide and control channel in a WiMAX system to facilitate point-to-multipoint (p-t-m) channel identification, transmission and/or reception. In one non-limiting, exemplary embodiment, a method includes: accessing a p-t-m guide; and transmitting the p-t-m guide using a predetermined IP address on a predetermined channel in a WiMAX system. In another non-limiting, exemplary embodiment, a method includes: receiving a p-t-m guide on a predetermined IP address of a predetermined channel in a WiMAX system; extracting p-t-m session information from the p-t-m guide; selecting a transmission to receive based on the extracted p-t-m session information; and receiving the selected transmission. | 11-20-2008 |
20090073995 | Devices and methods for local breakout in a gateway of an access service network - In an embodiment, an apparatus is configured to receive traffic of different traffic types, and to route the different traffic types to different paths or networks, the different traffic types comprising internet service domain traffic and operator's service domain traffic. The apparatus may for example be a gateway of an access services network e.g. of worldwide interoperability of microwave access, WiMAX. | 03-19-2009 |
20090092066 | TECHNIQUES FOR LINK UTILIZATION FOR HALF-DUPLEX AND FULL-DUPLEX STATIONS IN A WIRELESS NETWORK - Various example embodiments are disclosed herein. According to an example embodiment, an apparatus may include a controller, and a wireless transmitter coupled to the controller, the wireless transmitter configured to the wireless transmitter configured to transmit at least a portion of a frame via wireless link to one or more mobile stations in a wireless network, the at least a portion of a frame including: an all-group downlink region directed to group 1 half-duplex (HD) mobile stations, group 2 HD mobile stations, and full-duplex (FD) mobile stations, a group 1 downlink region directed to the group 1 HD mobile stations and the FD mobile stations, and a group 2 downlink region directed to the group 2 HD mobile stations and the FD mobile stations. | 04-09-2009 |
20090135755 | Layer-1 signaling of traffic indication for power saving class of type I in WiMAX - Disclosed herein are apparatus, method, and computer program whereby a mobile station receives an indication from a base station in a physical layer field and interprets the indication for use in at least a power management function. | 05-28-2009 |
20090141661 | RESIDUAL TRAFFIC STATE FOR WIRELESS NETWORKS - Various example embodiments are disclosed herein. In an example embodiment, an apparatus may include a controller, a memory coupled to the controller and a wireless transceiver coupled to the controller. The apparatus may be configured to detect a residual traffic pattern associated with a mobile station in a wireless network, and transition the mobile station from an active state to a residual traffic state based on the detecting. The transitioning may include sending a change uplink (UL) data service message to the mobile station to change the UL data service for the mobile station from a first UL service type to a second UL service type. | 06-04-2009 |
20090158398 | ENABLING PROVIDER NETWORK INTER-WORKING WITH MOBILE ACCESS - Various example embodiments are disclosed herein. In an example embodiment, a method may comprise authenticating a subscriber based upon one or more messages received from a subscriber equipment, via an Access Network Gateway (ANG); sending an access authorization message to the ANG authorizing the subscriber equipment; and wherein the access authorization message includes an address of a tunnel endpoint node and a tunnel method identifier (ID) to be used by the ANG to establish a tunnel between the ANG and the tunnel endpoint node for the subscriber equipment. | 06-18-2009 |
20090213766 | FRAME STRUCTURES WITH FLEXIBLE PARTITION BOUNDARY FOR WIRELESS NETWORKS - Various example embodiments are disclosed herein. According to an example embodiment, an apparatus may include a wireless interface, and a controller, the apparatus being configured to: transmit a downlink subframe of a frequency division duplex (FDD) frame to one or more mobile stations in a wireless network, each wireless station being assigned to one of a plurality of groups, such as, for example, one of group | 08-27-2009 |
20090268645 | TECHNIQUES FOR RESOURCE ALLOCATION FOR STATIONS IN A FDD WIRELESS NETWORK - Various example embodiments are disclosed herein. According to an example embodiment, an apparatus may include a controller, and a wireless transmitter coupled to the controller, the wireless transmitter configured to the wireless transmitter configured to transmit a Map message as part of a first group downlink (DL) region, the Map message allocating, to a full-duplex (FD) mobile station (MS), a first resource in a first group UL region and a second resource in a second group UL region. The transmitter may also be configured to transmit a dummy information element (IE), for example, as part of a second group DL region, the dummy information element (IE) reflecting at least the allocating to the FD MS of the second resource in the second group UL region. | 10-29-2009 |
20090325578 | SUPPORT FOR MULTI-GROUP FREQUENCY DIVISION DUPLEX WIRELESS NETWORK - Various example embodiments are disclosed herein. According to an example embodiment, a method may include receiving, at a serving base station (BS) in a wireless network from a mobile station (MS), group preference information for the MS for each of one or more candidate BSs; obtaining, by the serving BS based on the group preference information, a group assignment for the MS from each of the one or more candidate BSs; and sending by the serving BS to the MS the group assignment from each of the candidate BSs. | 12-31-2009 |
20100008326 | RECOVERY SCHEMES FOR GROUP SWITCHING PROCEDURES FOR MULTI-GROUP FREQUENCY DIVISION DUPLEX WIRELESS NETWORKS - Various example embodiments are disclosed herein. According to an example embodiment, a method may include receiving at a mobile station from a base station in a wireless network, a message including a group switch instruction instructing the mobile station to switch from a current group to a new group, attempting, by the mobile station, to switch to the new group in response to receiving the group switch instruction, and sending, from the mobile station, an acknowledgement message that acknowledges either the success or failure of the attempting to switch to the new group. | 01-14-2010 |
20100056202 | System, Apparatus and Methods for Accelerating Initial Entry in Multi-Carrier Wireless Deployment - Systems and methods for providing an efficient network entry for a mobile station in RF communications systems with fully configured and partially configured carriers are described. A distinguishing parameter for fully configured carriers is determined. A mobile station receives a carrier and determines whether a fully configured carrier has been received. The mobile station performs synchronization with a base station using the detected fully configured carrier and completes a network entry procedure. In one method embodiment, the distinguishing parameter is a unique preamble characteristic. In another method embodiment, the fully configured carrier frequency is part of messages broadcast by both the fully configured and partially configured carriers. In yet another method embodiment, the carrier raster for fully configured carriers is distinguishable from the carrier raster for partially configured carriers. Latency is reduced for the network entry process for the mobile stations. | 03-04-2010 |
20100093384 | GUARD BAND UTILIZATION IN MULTI-CARRIER MODE FOR WIRELESS NETWORKS - Various example embodiments are disclosed herein. According to an example embodiment, an apparatus may include a processor which may be configured to: permute subcarriers of a regular band, including subcarriers assigned to mobile station(s) operating in a single carrier mode and subcarriers assigned to mobile station(s) operating in a multiple carrier mode, to generate a first permuted regular band of subcarriers; and permute subcarriers of the first permuted regular band that are assigned to mobile station(s) operating in multiple carrier mode with subcarriers of an adjacent guard band. | 04-15-2010 |
20100135205 | EMERGENCY AND PRIORITY CALLING SUPPORT IN WIMAX - The present invention provides methods, apparatuses, and systems for supporting emergency calls on a WiMAX access network. According to an embodiment of the invention, a method of providing emergency calling in a WiMAX network is provided. The method includes determining whether a call from a subscriber station (SS) is an emergency call. To enable making an emergency call, the minimum bandwidth required to enable SIP signaling is reserved and required resources are allocated from the access service network gateway (ASN-GW) via a base station (BS). | 06-03-2010 |
20100142442 | PROCESSING OF AN EMERGENCY SESSION IN A WIMAX NETWORK - In a system for processing an emergency session in a WiMAX (worldwide interoperability for microwave access) network system including a home network, at least one roaming network and at least one mobile station, an emergency call is established between the mobile station and the home network in case the mobile station is located in the home network, or between the mobile station and a roaming network (visited network) in case the mobile station is located in the roaming network. In a different embodiment, the location of a mobile station is determined in response to an emergency location request and the location (geographic) coordinates are provided in order to establish an emergency call setup. | 06-10-2010 |
20110090879 | Method and Apparatus of Providing a Frame Structure for Supporting Different Operational Modes - An approach provides a frame structure for supporting different operational modes. A frame is generated for transmission over a network to a first device and a second device over a first bandwidth and a second bandwidth, respectively. The preamble provides synchronization for operation over the first bandwidth and the second bandwidth. | 04-21-2011 |
20110103253 | METHOD AND APPARATUS FOR PROVIDING POWER SAVING USING SUPERFRAMES - An approach is provided for providing sleep mode associated with a resource frame structure. A superframe that includes a plurality of frames that is partitioned into sub-frames is detected. A length of listening window ( | 05-05-2011 |
20110149926 | METHOD AND STRUCTURES FOR MOBILITY POLICY IN A WIMAX COMMUNICATIONS SYSTEM - The invention relates to method and structures for mobility policy e.g. in a Worldwide Interoperability for Microwave Access, WiMAX, based communication. According to embodiments, a method and devices for mobility control of a terminal are provided wherein a mobility policy parameter defines the mobility control of the terminal. The mobility policy parameter preferably is part of a mobility policy or subscription record stored for a subscriber of the terminal in a subscriber data base. The mobility policy parameter may include at least one of an indication of mobility restriction, possibly indicating included or excluded cells or areas etc; an indication of fixed access, indicating a fixed base station to which the subscriber has to request access; nomadicity, indicating that no handover is allowed for that particular subscriber; and restricted mobility limited to a group of base stations or areas. Embodiments allow to deploy mobile WiMAX for fixed access applications, enabling reuse of existing technology and further development towards full mobility. | 06-23-2011 |
20110158147 | System and Methods for Managing Group Parameters in Unlicensed Spectrum Communications - A method, apparatus, and system for providing a communication resource for a communication device in a communication system. In one embodiment, an apparatus includes a processor and memory having computer program code. The memory and the computer program code are configured to, with the processor, cause the apparatus to perform at least the following: transmitting a message attaching to an access station over the air in an unlicensed frequency spectrum; receiving an acknowledgement over the unlicensed frequency spectrum; and receiving a multicast message indicating one selected from a channel change within the unlicensed frequency spectrum for a group including the apparatus and a radio technology change to a predetermined radio technology not using the unlicensed frequency spectrum for the group including the apparatus. | 06-30-2011 |
20110183632 | COEXISTENCE FOR COGNITIVE RADIO - A system for managing wireless communication in view of other potentially interfering wireless signal sources. Signal-related information may be collected from one or more apparatuses that are participating in a network. The information may then be evaluated in order to determine expected signal activity in the environment in which the apparatuses are operating. In some instances the signal activity may then be compared to a scan schedule utilized, for example, to identify legacy apparatuses operating in the environment. This scan schedule may be altered to avoid potential conflicts that may exist with the expected signal activity. The scan schedule may then be communicated to the networked apparatuses. | 07-28-2011 |
20110261806 | SOUNDING CHANNEL APPARATUS AND METHOD - According to an example embodiment, a method may include allocating, within a single physical resource unit (PRU), a plurality of channel sounding groups. Wherein each channel sounding group includes a frequency-time domain code division multiplexing (CDM) allocation. The method may also include broadcasting, in a downlink direction to one or more mobile stations in a wireless network, a signal that causes the receiving mobile stations to transmit a channel sounding signal. The method may further include receiving at least one channel sounding signal from at least one of the one or more mobile stations, the channel sounding signal being received in an uplink direction via one or more channel sounding groups. And, the method may include estimating the channel quality, of the channel used by the physical resource unit, based upon the received at least one channel sounding signal. | 10-27-2011 |
20120093092 | METHOD AND APPARATUS FOR RADIO CHANNEL MANAGEMENT - In a non-limiting and exemplary embodiment, a method is provided for radio channel management, comprising: receiving, by a mediating node, a request from a mobile terminal for available white space channels, sending a request for available channels to an entity having access to a white space database with information on available white space channels, receiving information indicating a set of available white space channels from the entity, reserving at least one of channels in the set of available channels for further use, and providing a sub-set of the channels of the set of available channels to the mobile terminal. | 04-19-2012 |
20120178450 | AVOIDING PING-PONG HANDOVERS - The present invention provides a method and respective entities for avoiding handovers in a ping-pong manner in a communication network. The method comprises comparing, when a handover of a mobile station to a base station is intended, decision criteria of the intended handover with decision criteria of previous handovers of the mobile station to that base station, and deciding on allowing or preventing the intended handover based on the result of the comparison. | 07-12-2012 |
20130012210 | SUPPORT FOR MULTI-GROUP FREQUENCY DIVISION DUPLEX WIRELESS NETWORK - Various example embodiments are disclosed herein. According to an example embodiment, a method may include receiving, at a serving base station (BS) in a wireless network from a mobile station (MS), group preference information for the MS for each of one or more candidate BSs; obtaining, by the serving BS based on the group preference information, a group assignment for the MS from each of the one or more candidate BSs; and sending by the serving BS to the MS the group assignment from each of the candidate BSs. | 01-10-2013 |
20130156005 | CARRIER ALLOCATION IN WIRELESS NETWORK - This document presents a communication scheme for use in a wireless network utilizing a fragmented frequency spectrum and supporting dynamic radio carrier allocation. At least two radio carriers on non-contiguous frequency channels are allocated for use in communication with a network element of the wireless network, and one of the allocated radio carriers is commonly used by all client stations communicating with the network element. | 06-20-2013 |
20130246641 | METHOD AND APPARATUS FOR DYNAMIC SERVER CLIENT CONTROLLED CONNECTIVITY LOGIC - The exemplary embodiments of the invention provide at least a method and apparatus to receive a connection instruction request from a user equipment; identify a network from which the request was sent; select stored probe values and associated network information that are associated with the identified network; determine connection instructions based at least in part on the stored probe values and the associated network information, in which the connection instructions include a dynamically extended reconnection delay if a determined keep-alive timer for keep-alive instructions would be impractically short; and send the connection instructions to the user equipment. Further, the exemplary embodiments of the invention provide at least a method and apparatus to determine a maximum packet size for which transmission will not trigger a state change for user equipment; and restrict transmissions of background data to or from the user equipment so as not to exceed the maximum packet size. | 09-19-2013 |
20140126366 | QUALITY OF SERVICE MECHANISM - A system comprises a subscriber station and a network, the network comprising an access service network and connectivity service network. In an improved communication method an access service network a quality of service profile for a subscriber is received by an anchor gateway of the subscriber. On the basis of the quality of service profile, a first set of transmission control parameters for the subscriber is determined. The anchor gateway applies the first set of transmission control parameters to user data packets addressed to the subscriber. | 05-08-2014 |
20140254398 | Methods And Apparatus for Internetworking - Systems and techniques for data traffic management are described. A base station providing data communication services to user devices and capable of transferring traffic to one or more wireless network access points receives data queuing latency information relating to data queuing latency experienced by the one or more user devices, access points, or both. The base station makes determinations relating to offloading of traffic to access points, such as from wireless cellular network frequencies to wireless local area network resources, based on the latency information. | 09-11-2014 |
20140335875 | DEVICE TO DEVICE BEACON, USER EQUIPMENT DISCOVERY, AND RESOURCE ALLOCATION - Device discovery may be important in a variety of communication systems including, for example, wireless communication systems. Thus, certain embodiments may provide a device to device beacon design that may provide for efficient interference management and resource allocation. For example, a method may include preparing a proximity communication request including information about a device to device communication state of a discovered user equipment or resource usage of the discovered user equipment. The method may also include transmitting the proximity communication request to a base station. | 11-13-2014 |