Patent application number | Description | Published |
20080214201 | PILOT GROUPING IN WIRELESS COMMUNICATION NETWORKS - Systems and techniques for grouping channels, such as pilots, are described. In one aspect, a method includes receiving transmissions of two or more pilot signals at an access terminal of a wireless communications network that includes an access node, based on characteristics of the transmissions of the two or more pilot signals from the access node to the access terminal, determining whether the two or more pilot signals are suitable for grouping and indicating of the suitability of the two or more pilot signals for grouping by sending a pilot information report for the pilot group to the access node. | 09-04-2008 |
20080280608 | Enhanced Timer Based Registration Method for Wireless Communication Networks - Techniques and systems that provide enhanced timer based registration for efficiently registering access terminals with a wireless network. | 11-13-2008 |
20090092116 | Trunking System for CDMA Wireless Communication - Methods and systems for implementing trunking techniques in CDMA systems for handling group calls and push-to-talk services. | 04-09-2009 |
20090201838 | DYNAMIC ADJUSTMENT OF DOWNLINK/UPLINK ALLOCATION RATIO IN TDD WIRELESS SYSTEMS - Techniques, apparatuses, and systems for dynamically changing downlink and uplink allocations can include operating a base station under time division duplexing to communicate with one or more mobile devices using a frame structure, adjusting a downlink-uplink ratio to change an allocation between uplink and downlink data capacities in the frame structure, determining a mute interval based on the adjusted downlink-uplink ratio, generating mute information based on the mute interval to identify the one or more areas of the frame structure effected by the allocation change, and transmitting the mute information to the one or more mobile devices. | 08-13-2009 |
20090213833 | Systems, Apparatus and Techniques for Fast Cell Search and Accurate Synchronization in Wireless Communications - Techniques for fast cell search, selection and reselection for wireless communication systems such as OFDM or OFDMA communication systems. In various implementations of the described techniques, downlink subframes from base stations to mobile stations are designed to include information in form of preambles or post-ambles in one or more downlink subframes to facilitate cell search at receiving mobile stations at high speeds. The described preambles and post-ambles may also be used to improve the accuracy of signal synchronization in time and frequency. | 08-27-2009 |
20100029278 | USING IDENTIFICATION SEQUENCES IN WIRELESS COMMUNICATION SYSTEMS - Techniques, apparatuses, and systems for using identification sequences in a wireless communication system can include receiving information indicative of a pilot code detected by a wireless device, the pilot code being shared by multiple Femto Access Points (FAPs) that each provide wireless service in at least a portion of the coverage area; receiving information indicative of an identification sequence detected by the wireless device that is associated with the pilot code, using the information indicative of the identification sequence to identify one of the FAPs that share the pilot code; and performing a hand-off of the call to the identified FAP to continue to provide wireless service for the call via the identified FAP. | 02-04-2010 |
20100150069 | Reverse Link Acknowledgment Signaling - Techniques, apparatuses, and systems can include mechanisms for transmitting and receiving data on one or more reverse link acknowledgement channels. | 06-17-2010 |
20100197309 | VIRTUAL GROUPS FOR FEMTO-CELL HAND-IN - Techniques, apparatuses, and systems for handling femto-cell hand-in requests can include operating a macro-cell base station to provide wireless service to wireless devices in a geographical coverage area; receiving, from a wireless device, a message indicative of the wireless device's reception of a base station radio signal, the message including a base station identifier; controlling multiple femto-cell base stations that are assigned to the base station identifier to communicate with the wireless device and to report a reception of a radio signal from the wireless device; and transferring the wireless device from the macro-cell base station to a femto-cell base station of the multiple femto-cell base stations that reports a reception of the radio signal from the wireless device. The multiple femto-cell base stations can provide wireless service in different nonadjacent portions of the geographical coverage area. | 08-05-2010 |
20100203906 | Paging Mechanisms for Mobile Stations with Multiple Subscriptions - Apparatuses, techniques, and systems for operating a mobile station with multiple subscriptions includes transmitting a paging message for a subscriber identity of two or more subscriber identities that are associated with a single mobile station over a wireless communication channel based on a paging cycle structure including multiple paging slots. The two or more subscriber identities can include a first subscriber identity and a second, different subscriber identity. Transmitting the paging message can include using, during a paging cycle based on the paging cycle structure, a single paging slot to transmit the paging message, where the single paging slot is associated with the two or more subscriber identities. | 08-12-2010 |
20100309862 | REVERSE LINK SIGNALING TECHNIQUES FOR WIRELESS COMMUNICATION SYSTEMS - Techniques, apparatuses, and systems are described for wireless communications. In one implement, wireless communication systems can provide one or more mechanisms to reduce reverse overhead control signaling by adaptively transmitting overhead control information. | 12-09-2010 |
20100317378 | INTERWORKING CIRCUIT SERVICE FALL BACK - Techniques, apparatuses, and systems can include mechanisms for interworking circuit service fallback. | 12-16-2010 |
20100322163 | Internetworking Techniques for Transferring Packets Between Source and Target Serving Gateways - Techniques, apparatuses, and systems having mechanisms for transferring packets between source and target serving gateways. | 12-23-2010 |
20110080870 | INTERNETWORKING TECHNIQUES FOR WIRELESS NETWORKS - Techniques, apparatuses, and systems can include mechanisms for interworking different wireless technologies. Interworking different wireless technologies can include operating a wireless communication system that includes a first wireless network based on a first wireless technology and a second wireless network based on a second wireless technology. Interworking different wireless technologies can include processing a network based change to an Aggregated Maximum Bit Rate (AMBR) parameter that corresponds to an Access Point Name (APN) and communicating the network based change to a wireless device. | 04-07-2011 |
20110085497 | Connectionless modes for wireless machine to machine communications in wireless communication networks - Techniques, devices, and systems that include mechanisms for connectionless communications in wireless communication networks or systems. | 04-14-2011 |
20110189987 | METHOD FOR FEMTO-CELL IDENTIFICATION - Methods and systems for femto-cell identification are disclosed herein. In one embodiment, a femto-cell base station is adapted to transmit with each broadcast a value which maps one-to-one to a different portion of a femto-cell identification. After the mobile station reports each broadcasted value to the serving non-femto-cell, the target femto-cell identification can be determined by combining multiple reports. In this manner, a fairly large identification space can be provided without significant increases in implementation complexity. In some embodiments, the system does not introduce issues with backward compatibility since standard cell identification procedures are preserved. In some embodiments, knowledge of the maximum number of femto-cells within a non-femto-cell is not required, thereby preventing ambiguous hand-in targets. | 08-04-2011 |
20120028661 | INTERWORKING CIRCUIT SERVICE FALL BACK - Techniques, apparatuses, and systems include mechanisms for interworking circuit service fallback. In one implementation, a system for wireless communications can include one or more first base stations forming a first radio access network to provide wireless communications based on a first wireless technology; one or more second base stations forming a second radio access network to provide wireless communications based on a second wireless technology which is different from the first wireless technology, and an interworking service (IWS) module that is configured to provide the interworking between the first and second radio access networks for communications to a wireless device served by the system via either the first wireless technology or the second wireless technology, and uses a signal adaptation protocol to encapsulate messages in communicating with a wireless device served by the system. Other implementations are also provided in this document. | 02-02-2012 |
20120034910 | PRIORITY BASED SERVICE SELECTION METHODS AND APPARATUS - Wireless communication techniques are provided to receive a service priority scheme selection and determine, during reception of a first service, whether or not to switch to a second service, based on the received service priority scheme selection. Devices, systems and methods can be configured to implement the techniques for service priority scheme selection. | 02-09-2012 |
20120149373 | REDIRECTING MOBILE SERVICES IN MULTIPLE OVERLAPPED WIRELESS NETWORKS - Techniques, apparatuses, and systems for redirecting mobile services include generating a message with a redirection indication and transmitting the message to one or more mobile stations. A redirection indication can include an identifier for a wireless network operator and access information for a network associated with the wireless network operator. | 06-14-2012 |
20120149376 | MOBILE STATION INITIATED LOAD BALANCING IN WIRELESS COMMUNICATION NETWORKS - Techniques for load balancing across different access networks based on procedures initiated by a wireless terminal or mobile station and examples of using load balancing within the same access network to hand off a mobile station from one base station to another based on procedures initiated by the mobile station. | 06-14-2012 |
20120224561 | METHODS AND APPARATUS FOR RADIO CONFIGURATION INDICATION - Techniques for facilitating wireless communication include receiving a message from a mobile station, the message comprising a service option field indicative of an advanced radio configuration capability of the mobile station and establishing a radio link between the mobile station and the serving base station, by using the indicated advanced radio configuration capability. In some implementations, in a CDMA2000 network, a Revision E compliant mobile station is able to operate in Revision E mode with a Revision E base station and a legacy mode with a legacy base station, without being affected by a handoff and without a need to modify bit length of the revision field in the paging response message from the mobile station. | 09-06-2012 |
20120236822 | INTER-OPERATION BETWEEN BASE STATIONS HAVING DIFFERENT PROTOCOL REVISIONS - Techniques for the inter-operation of base station having different protocol revision numbers include broadcasting a first message that includes a protocol revision field indicating a same revision as a legacy network, transmitting a second message over a forward link common control channel, the second message indicating advanced radio configuration (RC) capabilities beyond radio control capabilities implied by the protocol revision field broadcast in the first message, receiving, in response to the second message, a third message from a mobile station, indicating that the mobile station supports the advanced RC capabilities and establishing, with the mobile station, a radio link having the advanced RC capabilities. | 09-20-2012 |
20120294206 | DYNAMIC ADJUSTMENT OF DOWNLINK/UPLINK ALLOCATION RATIO IN TDD WIRELESS SYSTEMS - Techniques, apparatuses, and systems for dynamically changing downlink and uplink allocations can include operating a base station under time division duplexing to communicate with one or more mobile devices using a frame structure, adjusting a downlink-uplink ratio to change an allocation between uplink and downlink data capacities in the frame structure, determining a mute interval based on the adjusted downlink-uplink ratio, generating mute information based on the mute interval to identify the one or more areas of the frame structure effected by the allocation change, and transmitting the mute information to the one or more mobile devices. | 11-22-2012 |
20120307802 | INTERNETWORKING TECHNIQUES FOR TRANSFERRING PACKETS BETWEEN SOURCE AND TARGET SERVING GATEWAYS - Techniques for wireless communications include operating first and second access networks to provide wireless service to wireless devices. The first and second access networks are associated with respective first and second gateways. The first gateway is operated to (1) receive a request for transferring wireless service of a wireless device from the second access network to the first access network and (2) send a message that includes key information to the second gateway based on the request. The second gateway is operated to (1) send session context information to the first gateway in response to the message and (2) forward a data packet associated with the wireless device to the first gateway. The forwarded data packet includes a packet data network identifier (PDN-ID) to identify a packet data network (PDN) associated with a downlink data packet. | 12-06-2012 |
20130016640 | ENHANCEMENT OF SLOTTED MODE OPERATION FOR WIRELESS COMMUNICATIONAANM Fang; YonggangAACI San DiegoAAST CAAACO USAAGP Fang; Yonggang San Diego CA USAANM Yu; YuanFangAACI ShenzhenAACO CNAAGP Yu; YuanFang Shenzhen CNAANM Lu; TingAACI BeijingAACO CNAAGP Lu; Ting Beijing CNAANM Zhao; XiaowuAACI ShenzhenAACO CNAAGP Zhao; Xiaowu Shenzhen CN - Methods, apparatus and systems for enhanced slotted mode operation for wireless communication are disclosed. A first control message indicative of a first sleep cycle duration is received. When the first control message includes a first message field, a second control message that includes a second field indicative of a second sleep cycle duration that is greater than the first sleep cycle duration is transmitted. | 01-17-2013 |
20130021957 | METHODS AND APPARATUS FOR GROUP PAGING IN WIRELESS NETWORKS - Methods, apparatus and systems for group paging of wireless devices are described. A wireless device is associated with a member identifier (MID) that is a unique identifier for the wireless device. The wireless device is associated with a group identifier (GID) that is a unique identifier for a group of which the wireless device is a member. The wireless device is woken up from a sleep mode at a wake-up time based on the GID. | 01-24-2013 |
20130072236 | PAGING MECHANISMS FOR MOBILE STATIONS WITH MULTIPLE SUBSCRIPTIONS - Apparatuses, techniques, and systems for operating a mobile station with multiple subscriptions includes transmitting a paging message for a subscriber identity of two or more subscriber identities that are associated with a single mobile station over a wireless communication channel based on a paging cycle structure including multiple paging slots. The two or more subscriber identities can include a first subscriber identity and a second, different subscriber identity. Transmitting the paging message can include using, during a paging cycle based on the paging cycle structure, a single paging slot to transmit the paging message, where the single paging slot is associated with the two or more subscriber identities. | 03-21-2013 |
20130203402 | ENHANCEMENT OF ACCESS CONTROL FOR CDMA2000 - This document provides wireless communications technologies, including methods, devices and systems. For example, a method of facilitating wireless communications is provided to include operating a wireless network to receive an access probe transmission from an access terminal requesting an access channel grant; perform, based on the received access probe transmission, a persistence test with the access terminal; receive a subsequent probe transmission for the access channel grant request; and perform, based on the received subsequent probe transmission, a subsequent persistence test with the access terminal. | 08-08-2013 |
20130210414 | FIXED LOCATION REGISTRATION - Systems, devices and techniques for machine to machine (M2M) communications include optimizing performance of an M2M network based on knowledge about a fixed, or non-mobile, operation of an M2M service. In various embodiments, paging operation, direct channel assignment operation and timer based registration are optimized. The fixed operation may be communicated by a user device receiving the service to a network server providing the service. | 08-15-2013 |
20130242734 | REVERSE LINK RELIABILITY THROUGH RE-ASSEMBLING MULTIPLE PARTIALLY DECODED CONNECTIONLESS FRAMES IN WIRELESS COMMUNICATION NETWORKS - Techniques, devices, and systems that include mechanisms for connectionless communications in wireless communication networks or systems include a base station controller, a plurality of base stations and a mobile station. The base station controller combines connectionless transmissions received by the base stations, including decoded and un-decoded frames, into a complete message. | 09-19-2013 |
20130267269 | NETWORK ASSISTED FAST OPEN LOOP POWER CONTROL ADJUSTMENT - Techniques, devices, and systems that include mechanisms for network assisted fast adjustment of open loop power control mechanism. monitoring reverse link channels include calculating, based on results of the monitoring, an initial power adjustment value for controlling power of a wireless device in communication with the network and broadcasting the initial power adjustment value over a forward link control channel at least as often as a paging channel transmission cycle over the forward link control channel. | 10-10-2013 |
20130307730 | USING MULTIPLE ACCESS CHANNELS FOR WIRELESS DEVICE POSITIONING - A wireless device performs a transmission on a primary and auxiliary access channels to enable reception by at least three base stations. The base stations perform a measurement on the received transmission, e.g., a time of arrival of the transmission. The base stations report their measurements to a position determination entity. The position determination entity estimates geographic position of the wireless device. One method used by the position determination entity includes tri-lateralization based on the received measurement reports. | 11-21-2013 |
20140071821 | FAST ACCESS AND CONTROL IN WIRELESS COMMUNICATIONS - A wireless local area network comprises an access point and at least one wireless device. The access point indicates in a downlink transmission whether access to the network is based on active scan or polling. The indication is changeable responsive to whether a beacon transmission time is approaching, whether a new scan is to be forced or whether network traffic is about to reach an overload condition. | 03-13-2014 |
20140185580 | INTEGRATED WIRELESS LOCAL AREA NETWORK FOR SPECTRUM SHARING - A wireless communication system includes a database that holds spectral usage and availability information, an access point that operates to provide wireless services from a plurality of service operators and a gateway that receives a wireless spectrum allocation request from a service operator, determines spectrum availability by consulting the database, responds to the service operator with a grant or a denial based on the determined spectrum availability, and controls the access point to provide wireless service according to the response to the service operator. | 07-03-2014 |
20140254471 | INTEGRATED RELAY IN WIRELESS COMMUNICATION NETWORKS - A wireless communication system comprising a plurality of wireless stations communicating using a first air interface protocol a relay device, and an access point, wherein the plurality of wireless stations communicate with entities in a wide area network via the access point without establishing a direct wireless link with the access point, and wherein the relay device communicates with the plurality of wireless stations using the first air interface protocol and communicates with the access point using a second, different, wireless communication protocol. The second communication protocol, e.g., could be a backhaul protocol that is used by the access point to communicate with other access points in the system. | 09-11-2014 |
20150016309 | FULL DUPLEX OPERATION IN A WIRELESS NETWORK - Multiple wireless devices in a network perform full duplex communication in which the transmission path and receiving path are spatially separated to allow simultaneous transmission and receiving. The wireless devices can either be controlled using a centralized, or point, coordination function or a distributed coordination function. A full-duplex wireless device senses the medium during transmission by itself and selectively continues the transmission when a signal is sensed on the medium. A full-duplex wireless device measures signal being transmitted by its transmitter and estimates parameters that can be used to cancel the contribution of the locally transmitted signal to the locally received signal concurrently being received during the transmission. The transmit antenna and the receive antenna of a full-duplex wireless device can be configured to be spatially isolated from each other to minimize interference between the antenna functions. | 01-15-2015 |
20150043536 | INTERNETWORKING TECHNIQUES FOR TRANSFERRING PACKETS BETWEEN SOURCE AND TARGET SERVING GATEWAYS - A target gateway operating in a target wireless network receives a request for transferring wireless service of a wireless device from a source access network to the target access network. The target gateway sends a handover initiate message comprising key information including an uplink key to a source gateway operating in the source access network. In response to the handover initiate message, the target gateway receives a handover acknowledgement message that includes user session information including session reference identifiers (SR-IDs) associated with multiple Internet Protocol (IP) addresses of the wireless device. Subsequently, the target gateway forwards a packet of uplink communication by encrypting using the uplink key to a gateway server. | 02-12-2015 |