Patent application number | Description | Published |
20090258658 | Location Services Based on Positioned Wireless Measurement Reports - Methods and apparatuses are provided that may be implemented in a wireless signaling environment to provide certain location services. The location services may, for example, be based at least in part on positioning information associated with positioned wireless signaling measurements associated with wireless terminals. The location services may comprise location using signal pattern matching, location using observed timing differences, location using fine time assistance, location of significant network events and location distribution of terminals over a certain coverage area. | 10-15-2009 |
20090309790 | Methods and Apparatuses For Requesting/Providing Code Phase Related Information Associated With Various Satellite Positioning Systems In Wireless Communication Networks - Methods and apparatuses are provided that may be used by one or more devices within in wireless communication network to request and/or provide code phase related information signals associated with various Satellite Positioning Systems (SPSs). | 12-17-2009 |
20100013701 | Methods And Apparatuses For Requesting /Providing Assistance Data Associated With Various Satellite Positioning Systems In Wireless Communication Networks - Methods and apparatuses are provided for use by devices within in wireless communication network to request and/or provide assistance data and/or other like data associated with various Satellite Positioning Systems (SPSs). | 01-21-2010 |
20100013702 | Methods and Apparatuses For Requesting/Providing Sensitivity Assistance Information Associated with Various Satellite Positioning Systems in Wireless Communication Networks - Methods and apparatuses are provided for use by devices within a wireless communication network to request and/or provide sensitivity assistance information signals associated with one or more Satellite Positioning Systems (SPSs). | 01-21-2010 |
20100279707 | TIME OF ARRIVAL (TOA) ESTIMATION FOR POSITIONING IN A WIRELESS COMMUNICATION NETWORK - Techniques for determining time of arrivals (TOAs) of signals in a wireless communication network are described. Each cell may transmit (i) synchronization signals on a set of contiguous subcarriers in the center portion of the system bandwidth and (ii) reference signals on different sets of non-contiguous subcarriers distributed across the system bandwidth. A UE may determine TOA for a cell based on multiple signals transmitted on different sets of subcarriers. The UE may perform correlation for a first signal (e.g., a synchronization signal) from the cell to obtain first correlation results for different time offsets. The UE may perform correlation for a second signal (e.g., a reference signal) from the cell to obtain second correlation results for different time offsets. The UE may combine the first and second correlation results and may determine the TOA for the cell based on the combined correlation results. | 11-04-2010 |
20100309057 | Mobile-Based Positioning With Non-Conforming Use Of Assistance Data - Apparatus and methods for performing mobile-based positioning in a wireless communications system are presented. A position estimate is computed based on assistance data intended for a first position method. The mobile device ignores if a second positioning method is not specifically supported by a network and computes a position estimate using the second position method and a subset of assistance data intended for the first positioning method, which is supported by the network and is different from the second positioning method. | 12-09-2010 |
20110098057 | METHOD AND APPARATUS FOR SUPPORTING POSITIONING FOR TERMINALS IN A WIRELESS NETWORK - Techniques for supporting positioning for terminals in a wireless network are described. In an aspect, positioning may be supported by a location server that can reside in different entities. In one design, the location server may obtain positioning information (e.g., measurements) for a target device via a common positioning protocol. The location server may use the common positioning protocol regardless of where it resides and may communicate with other entities via this protocol. The location server may determine location information (e.g., a location estimate) for the target device based on the positioning information. In another aspect, positioning may be supported by transporting multiple positioning messages together. In yet another aspect, positioning may be supported by transporting a positioning message containing multiple parts defined by different organizations. In yet another aspect, positioning may be supported with shared measurement data units and/or shared assistance data units that may be applicable for different positioning methods. | 04-28-2011 |
20110187589 | GLOBAL NAVIGATION SATELLITE SYSTEM - Each of a first and a second navigation satellite system (NSS) are adapted to operate according to a first and a second specification, respectively, and each includes a first and a second plurality of satellite vehicles (SV), respectively. Each of the first and the second plurality of SVs are adapted to be identified by a first and a second plurality of unique corresponding identifications (IDs), respectively. A processor is adapted to receive and identify a first plurality of corresponding signals transmitted from the first plurality of SVs in response to the first plurality of unique corresponding IDs. The processor is adapted to receive and identify a second plurality of corresponding signals transmitted from the second plurality of SVs in response to the second plurality of unique corresponding IDs. The processor is adapted to determine position location information in response to receiving and identifying the first plurality of corresponding signals and the second plurality of corresponding signals. | 08-04-2011 |
20110212733 | SUPPORTING VERSION NEGOTIATION FOR POSITIONING FOR TERMINALS IN A WIRELESS NETWORK - Techniques for supporting positioning for terminals in a wireless network are described. In an aspect, a message is prepared and transmitted with a message segment including a version of a protocol used to encode the message and a compatibility level associated with inter-operable protocol versions, wherein different compatibility levels indicate non-compatibility between protocol versions. In another aspect, a message is received with a message segment including a version of a protocol used to encode the message and a compatibility level associated with inter-operable protocol versions, wherein different compatibility levels indicate non-compatibility between protocol versions. The compatibility level included in the received message is compared to an internal compatibility level and a response message is prepared and transmitted with a message segment including the internal compatibility level. | 09-01-2011 |
20120136623 | LOCATING A DEVICE USING A REFERENCE POINT TO ALIGN LOCATION INFORMATION - In a particular embodiment, a method includes receiving a first set and a second set of location data at a mobile device. The method includes locating a first reference point identifier that is included in the first set of location data and a second reference point identifier that is included in the second set of location data. The first reference point identifier field and the second reference point identifier field identify a common reference point. The method includes identifying first information in the first set of location data that is associated with the common reference point. The method also includes identifying second information in the second set of location data that is associated with the common reference point and spatially aligning the first set of location data with the second set of location data based on the common reference point to associate the first information with the second information. | 05-31-2012 |
20120165012 | DETERMINATION OF POSITIONS OF WIRELESS TRANSCEIVERS TO BE ADDED TO A WIRELESS COMMUNICATION NETWORK - Positions of non-reference wireless transceivers to be added to a wireless communication network are determined as follows. Each non-reference wireless transceiver performs measurements of times of arrival (TOA) of signals transmitted by other non-reference wireless transceivers, as well as reference wireless transceivers. Thereafter, time difference of arrival (TDOA) values are computed from at least two types of pairs of measurements as follows: (a) unknown-unknown TDOA values are obtained as differences between TOA measurements of signals transmitted by non-reference wireless transceivers and (b) unknown-known TDOA values are obtained as differences between a TOA measurement of a signal transmitted by a non-reference wireless transceiver and another TOA measurement of another signal transmitted by a reference wireless transceiver. Both types of TDOA values are used to solve simultaneous equations to identify the positions of the non-reference wireless transceivers and optionally times of transmission of the signals by the non-reference wireless transceivers. | 06-28-2012 |
20120244852 | SEGMENTED DATA TRANSFER WITH RESUME CAPABILITY - A large volume of location related information, e.g., assistance data or location information, is transferred in separate messages between a server and a target by segmenting the location related information into a plurality of messages. If the connection between the server and target is released prior to completion of the transfer of the location related information, the transfer is resumed by sending the remaining messages after connection is reestablished. Each message is sent after receiving an acknowledgement of receipt. Thus, both the server and target can control the flow of the transfer by delaying the sending of one or more messages or delaying the sending of the acknowledgements of receipt. | 09-27-2012 |
20120258733 | METHOD FOR PROVIDING NETWORK-BASED MEASUREMENTS FOR USER EQUIPMENT-BASED POSITIONING - The subject matter disclosed herein relates in one particular implementation to a method, apparatus, and/or system for acquiring one or more network-based measurements at a location server from a radio access network serving a user equipment (UE). A first message may be transmitted to the UE from the location server, where the first message comprises at least one of the one or more network-based measurements. A location of the UE is capable of being determined by the UE-based at least in part on the one or more network-based measurements. | 10-11-2012 |
20120264453 | METHODS AND APPARATUSES FOR REQUESTING/PROVIDING CODE PHASE RELATED INFORMATION ASSOCIATED WITH VARIOUS SATELLITE POSITIONING SYSTEMS IN WIRELESS COMMUNICATION NETWORKS - Methods and apparatuses are provided that may be used by one or more devices within in wireless communication network to request and/or provide code phase related information signals associated with various Satellite Positioning Systems (SPSs). | 10-18-2012 |
20120268323 | METHODS AND APPARATUSES FOR REQUESTING/PROVIDING CODE PHASE RELATED INFORMATION ASSOCIATED WITH VARIOUS SATELLITE POSITIONING SYSTEMS IN WIRELESS COMMUNICATION NETWORKS - Methods and apparatuses are provided that may be used by one or more devices within in wireless communication network to request and/or provide code phase related information signals associated with various Satellite Positioning Systems (SPSs). | 10-25-2012 |
20130035113 | METHODS AND APPARATUSES SUPPORTING MULTIPLE POSITIONING PROTOCOL VERSIONS IN WIRELESS COMMUNICATION NETWORKS - Methods and apparatuses are provided for supporting multiple positioning protocol versions within wireless communication networks. | 02-07-2013 |
20130223626 | VERIFYING GENERIC BROADCAST OF LOCATION ASSISTANCE DATA - Various techniques are provided for Location Services (LCS) Assistance Data broadcast, for example for implementation in LTE and LTE-A systems. The embodiments described herein may use the LPP/LPPe positioning protocol, by making use of existing unsolicited Provide Assistance Data (PAD) messages. Embodiments avoid the need to define and implement a separate broadcast Assistance Data protocol. Additional exemplary embodiments for scheduling and verifying of the broadcast Assistance Data messages are described herein. | 08-29-2013 |
20130225185 | SCHEDULING GENERIC BROADCAST OF LOCATION ASSISTANCE DATA - Various techniques are provided for Location Services (LCS) Assistance Data broadcast, for example for implementation in LTE and LTE-A systems. The embodiments described herein may use the LPP/LPPe positioning protocol, by making use of existing unsolicited Provide Assistance Data (PAD) messages. Embodiments avoid the need to define and implement a separate broadcast Assistance Data protocol. Additional exemplary embodiments for scheduling and verifying of the broadcast Assistance Data messages are described herein. | 08-29-2013 |
20130252630 | GENERIC BROADCAST OF LOCATION ASSISTANCE DATA - Various techniques are provided for Location Services (LCS) Assistance Data broadcast, for example for implementation in LTE and LTE-A systems. The embodiments described herein may use the LPP/LPPe positioning protocol, by making use of existing unsolicited Provide Assistance Data (PAD) messages. Embodiments avoid the need to define and implement a separate broadcast Assistance Data protocol. Additional exemplary embodiments for scheduling and verifying of the broadcast Assistance Data messages are described herein. | 09-26-2013 |
20130310068 | RADIO FREQUENCY INTERFERENCE AWARENESS ASSISTANCE DATA - Systems, methods, apparatuses, and computer-readable media for providing radio frequency interference (RFI) awareness assistance data to global navigation satellite system (GNSS) receivers are described. In some embodiments, a first method includes receiving at a location server RFI situational information. The first method further includes maintaining at least one time and location dependent database of an RFI situation. The first method further includes sending at least one assistance data message to at least one receiver including the RFI situational information. In another embodiment, a second method includes receiving RFI awareness assistance data from a location server. The second method further includes adapting a position location measurement according to the received RFI awareness assistance data. The second method further includes calculating a location of the receiver based at least in part on the adapted position location measurement. | 11-21-2013 |
20130339478 | INDOOR LOCATION SERVER PROVISION AND DISCOVERY - Systems and methods are presented for discovering a local location server associated with a local provider based on a relationship between the local provider and another regional/global provider. A mobile device discovers the local provider and queries a home location server which returns the address of a regional/global location server associated with the regional/global provider. A mobile device then queries the regional/global location server to discover the local location server and may then access the local location server to obtain location services. The method may be employed with the OMA SUPL location solution wherein the home location server may be an H-SLP and the local and regional/global location servers may be D-SLPs. | 12-19-2013 |
20140035782 | Devices, Methods, and Apparatuses for Mobile Device Acquisition Assistance - Methods, apparatuses and/or articles of manufacture, which may be employed in a mobile device and/or in a location server, enable acquisition assistance at the mobile device. In at least one implementation, which is not intended to limit claimed subject matter, acquisition assistance may include expected Doppler frequency shift and expected code phase in the case of a particular Global Navigation Satellite System (GNSS) satellite vehicle, as well as a search window for each of these, and a confidence value. The confidence value may indicate the likelihood of detecting signals from the satellite vehicle at the current expected location of the mobile device and within the given search windows and may enable one or more of faster location estimation, reduced battery consumption, and detection of weaker satellite signals. | 02-06-2014 |
20140073347 | ENHANCED LTE POSITIONING PROTOCOL INFORMATION TRANSFER PROCEDURES FOR CONTROL PLANE LCS ON LTE - Techniques disclosed herein provide for enhanced LTE Positioning Protocol (LPP) Reliable Transport where the receiver of an LPP message sends a non-piggybacked acknowledgement. An example method for executing on a mobile device a protocol session with a location server includes sending a first protocol session message associated with a first protocol session to the location server, entering a wait-for-acknowledgement state in which uplink transmissions from the mobile device to the location server are suspended while waiting for an acknowledgement from the location server in response to the first protocol session message, receiving a second protocol session message associated with a second protocol session which is not an acknowledgement to the first protocol session message but includes information requested in the first protocol session message; exiting the wait-for-acknowledgement state responsive to receiving the second protocol session message; and performing an action using the information received in the second protocol session message. | 03-13-2014 |
20140161046 | SUPPORTING VERSION NEGOTIATION FOR POSITIONING FOR TERMINALS IN A WIRELESS NETWORK - Techniques for supporting positioning for terminals in a wireless network are described. In an aspect, a message is prepared and transmitted with a message segment including a version of a protocol used to encode the message and a compatibility level associated with inter-operable protocol versions, wherein different compatibility levels indicate non-compatibility between protocol versions. In another aspect, a message is received with a message segment including a version of a protocol used to encode the message and a compatibility level associated with inter-operable protocol versions, wherein different compatibility levels indicate non-compatibility between protocol versions. The compatibility level included in the received message is compared to an internal compatibility level and a response message is prepared and transmitted with a message segment including the internal compatibility level. | 06-12-2014 |
20140171097 | CROWDSOURCING INFORMATION IN A COMMUNICATION NETWORK USING SMALL CELLS - Methods, systems, computer-readable media, and apparatuses for using a small cell as a reliable crowd-sourcing agent are presented. In some embodiments, a small cell installed at a known location may observe one or more wireless signals at the known location, wherein the small cell comprises a built-in network listen receiver for observing cellular downlink signals. Subsequently, the small cell may provide, to at least one crowdsourcing server, information that identifies the location and describes one or more detected properties of the one or more observed wireless signals. In at least one arrangement, the information provided to at least one crowdsourcing server is a Positioning Reference Signal (PRS) configuration based on an observed LTE downlink signals. In at least one arrangement, the information provided to at least one crowdsourcing server is configured to be used by the at least one crowdsourcing server in providing position assistance information. | 06-19-2014 |
20140176366 | POSITIONING REFERENCE SIGNAL (PRS) GENERATION FOR MULTIPLE TRANSMIT ANTENNA SYSTEMS - A method of providing Observed Time Difference of Arrival (OTDOA) assistance information to a mobile station is disclosed. In some embodiments, the OTDOA assistance information may comprise Positioning Reference Signal (PRS) assistance information including antenna switching assistance information for at least one cell. In one embodiment, the method may be implemented on a location server for the cell. | 06-26-2014 |
20140269400 | BROADCASTING SHORT INTERFRAME SPACE INFORMATION FOR LOCATION PURPOSES - A method and apparatus for broadcasting short interframe space information to aid in determining a round trip time are provided. The round trip time is used as an aid in locating nodes within a WiFi or WLAN network. The method begins with capturing a time of transmission of a frame by a transmitting station. The receiving station then captures the time of arrival of the frame just sent by the transmitting station. The receiving station replies with a received frame message and the time of departure is captured. The transmitting station then captures the time of arrival of the received frame message. The captured arrival and departure times of the frame and the received frame message allow the round trip time to be computed. The RTT may then be included as part of a network message. | 09-18-2014 |
20140302871 | METHODS AND APPARATUSES FOR REQUESTING/PROVIDING ASSISTANCE DATA ASSOCIATED WITH VARIOUS SATELLITE POSITIONING SYSTEMS IN WIRELESS COMMUNICATION NETWORKS - Systems and methods for requesting and providing assistance data for a satellite positioning system are described herein. A method as described herein includes receiving, at a base station over a wireless communication link, a first message from a mobile station, wherein the first message comprises a first field identifying requested assistance data associated with a first Satellite Positioning System (SPS) and a second field identifying a requested format of the requested assistance data, and wherein the requested assistance data are available in a plurality of formats that includes the requested format; and transmitting a second message from the base station to the mobile station over the wireless communication link, wherein the second message includes the requested assistance data in the requested format. | 10-09-2014 |
20150018010 | PROVIDING OTDOA PRS ASSISTANCE DATA - Disclosed embodiments pertain to the obtaining and utilization of Observed Time Difference of Arrival (OTDOA) assistance data. Cell timing information obtained based on measurements by a Mobile Station (MS) of neighbor cells may comprise cell timing offsets of the neighbor cells relative to a serving cell for the MS. OTDOA assistance data may be generated, where the OTDOA assistance data may comprise an OTDOA assistance data reference cell and a cell timing offset between the serving cell and an OTDOA assistance data reference cell, the reference cell being selected based on the received neighbor cell measurements. Embodiments disclosed also pertain to methods on an MS for performing measurements of neighbor cells comprising cell timing information for neighbor cells by requesting idle periods with a desired length from a base station to perform the measurements, and performing the requested measurements upon receiving confirmation that the idle periods have been configured. | 01-15-2015 |