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| Number | Title | Issue Date |
| 7742773 | Using GPS and ranging to determine relative elevation of an asset A system and method are disclosed for determining a position of a wireless communication device. A method includes determining a respective (x,y) position of two wireless communication devices, determining a distance between the two wireless communication devices, a... | 06/22/2010 |
| 7742774 | Location-based text messaging A method and device is provided for transmitting location-based text messages between electronic devices. A mobile electronic device can determine a device's location, create a map of that location, create a text message, embed the map in the text message and transm... | 06/22/2010 |
| 7742775 | Random phase multiple access system with location tracking A method of determining the location of a communication tag in a random phase multiple access communication network is disclosed. A ranging request signal that is spread using a first pseudo-noise code and offset with a first random timing offset is transmitted at a... | 06/22/2010 |
| 7738881 | Systems for determining the approximate location of a device from ambient signals The present invention leverages changes in the sensed strength of radio signals at different locations to determine a device's location. In one instance of the present invention, inference procedures are used to process ambient commercial radio signals, to estimate ... | 06/15/2010 |
| 7738882 | Framework of media-independent pre-authentication improvements: including considerations for failed switching and switchback The preferred embodiments herein relate to methods and systems for controlling a handoff decision related to switch back of a mobile node between a first network and a second network in a media independent pre-authentication framework and/or to methods and systems f... | 06/15/2010 |
| 7738878 | Method for obtaining location information of a mobile unit using a wireline telephone number A position determination method in a mobile unit uses the telephone number of a wireline telephone and a reverse phone-book operation for determining the location of a mobile unit. In one embodiment, a method for determining the location of a mobile unit using a tel... | 06/15/2010 |
| 7738879 | Method and system for providing entry node location in a wireless telecommunications system A method and system are described for providing a wireless telecommunications service provider with location information of a mobile service subscriber. When a mobile subscriber device acknowledges receipt of a data packet received at the mobile device, or when the ... | 06/15/2010 |
| 7738880 | Provision of location service apparatus The present invention relates to selection of sites of a communication system for measurement units that are for measuring a feature of wireless signals so that the location of a wireless station may be determined based on the measurement. Each measurement unit prov... | 06/15/2010 |
| 7734299 | Facilitating use of a device based on short-range wireless technology Various devices may include a short-range wireless transmitter and/or one or more short-range wireless readers. When a first device including the transmitter is placed near a second device including the one or more readers, a relative location of the first device ma... | 06/08/2010 |
| 7734298 | Estimating the location of a wireless terminal based on signal path impairment A technique for estimating the location of a wireless terminal at an unknown location in a geographic region is disclosed. The technique is based on the recognition that there are traits of electromagnetic signals that are dependent on topography, the receiver, the ... | 06/08/2010 |
| 7729706 | Location service-providing system and deferred location request service-providing method using previously computed location in location service-providing system A location service-providing system and a method for providing a deferred location request service by using previously computed position estimates. In the system and the method, if an H-SLP transmits an SUPL INIT message including location information to a target SU... | 06/01/2010 |
| 7729707 | Method and system for synchronization offset reduction in a TDOA location system A method for reducing synchronization offset errors in a TDOA location finding wireless system, comprising: receiving transmissions from at least one sync unit at multiple location transceivers, wherein the multiple location transceivers are synchronized from the sy... | 06/01/2010 |
| 7729705 | Method of providing location service over IMS network A method of providing Location Services (LCS) over an Internet Protocol Multimedia Subsystem (IMS) network in a wireless communication system is provided. An LCS client transmits a service connection request message including a message requesting the location inform... | 06/01/2010 |
| 7725112 | System and method for provision of proximity networking activity information Systems and methods applicable, for instance, in proximity networking activity. For example, nodes and/or other computers may record, receive, and/or provide information regarding proximity networking activity. As another example, nodes and/or other computers may ac... | 05/25/2010 |
| 7725113 | Mobile reference station for production of correction signals for a differential position-finding device A reference station produces correction signals for a differential position-finding device. The station utilizes a position-finding signal receiver for reception of signals from satellites in a position-finding system and an electronic processor, which is connected ... | 05/25/2010 |
| 7725111 | Location determination using RF fingerprinting A method for determining the location of a mobile unit (MU) in a wireless communication system and presenting it to a remote party. The location of a remote MU is determined by comparing a snapshot of a predefined portion of the radio-frequency (RF) spectrum taken b... | 05/25/2010 |
| 7725114 | Wi-Fi, GPS and MIMO systems Video and data cross-correlated in-phase and quadrature-phase processed and filtered baseband signals and location finder signals are quadrature modulated and transmitted in systems having two or more than two antennas. Signals used in Wi-Fi networks using Orthogona... | 05/25/2010 |
| 7720486 | Method and system for providing personalized services to a mobile vehicle A method and system for providing personalized services to a mobile vehicle includes receiving broadcast data at a telematics unit of the vehicle, sending the received broadcast data from the telematics unit to a portable processing device via short range wireless c... | 05/18/2010 |
| 7720488 | RFID wireless 2G, 3G, 4G internet systems including Wi-Fi, Wi-Max, OFDM, CDMA, TDMA, GSM Radio Frequency Identification (RFID), location finder, multiple transmitter, multiple receiver and multimode communication systems including combination and or selection of one or more of Time Division Multiplexed (TDM) or Time Division Multiple Access (TDMA), Orth... | 05/18/2010 |
| 7720487 | Handover method and apparatus for mobile terminal using location information in heterogeneous system network A handover method and apparatus for a mobile terminal using location information in a network of heterogeneous systems are provided. The handover method uses service area map information provided by a location service server in a mobile communication network in whic... | 05/18/2010 |
| 7715849 | User positioning The invention proposes a method for locating a network element, comprising the steps of obtaining (S1) the coordinates (xS, yS) of a second network element (BTS) to which the first network element (MS) is connected or attached; detecting (S2) a serving... | 05/11/2010 |
| 7715851 | System and method for locating wired networks using wireless data A system and method is provided for using a wireless network to determine a device's physical location and retrieve location specific settings based upon the device's physical location. A device's physical location is determined by matching the identifier of the wir... | 05/11/2010 |
| 7715850 | Method and apparatus for identifying transmitters in a wireless communication system using power predictions Identification of transmitters for signals received by a terminal. To determine the transmitter of a given received signal, a list of candidate transmitters that may have transmitted that signal is determined. A coverage zone to use for the received signal is also d... | 05/11/2010 |
| 7715852 | Location estimation method A location estimation method is provided. The method locates coordinates of a mobile station (MS) by referencing a plurality of base stations (BS). A geometric distribution of the BS is analyzed to provide a list of conditional equations. A virtual BS is allocated, ... | 05/11/2010 |
| 7711375 | Method and system for determining a location of a wireless transmitting device and guiding the search for the same Method and system of determining a location of a wireless transmitting device, such as a cellular phone, a wireless PDA or a radio tag, and guiding the searching personnel to physically reach the wireless transmitting device are disclosed that employ a “Movable De... | 05/04/2010 |
| 7706808 | One-click service status tracking and updates A system and method to one-click service status tracking and updates. In one embodiment, in response to activation of a mobile device, providing GPS location information of the mobile device; the mobile device registering with a server to identify a user of the mobi... | 04/27/2010 |
| 7706811 | Signal comparison-based location determining method At least one portable RF communications device in conjunction with at least two fixed-location service-area antenna stations respectively capable of RF communication with the at least one device performs the steps of: (I) using a portable device at a selected locati... | 04/27/2010 |
| 7706810 | Position-based interleave regulation system and method The present invention is a position-based interleave regulation system for communications devices. The device may comprise one or more of the following features: (a) a global positioning system (GPS) receiver capable of receiving positioning data from GPS satellites... | 04/27/2010 |
| 7706809 | RF tracking system and method Described is an RFID tracking system, an RFID tag and method, The tag includes a memory storing identification data and a radio frequency transceiver receiving a signal from a first wireless transceiver. The first wireless transceiver is part of a wireless wide area... | 04/27/2010 |
| 7702338 | Method for finding the location of a mobile terminal in a cellular radio system A system, method and device are provided which determine the position of a mobile station in connection with consulting signal delay transmission data from an almanac for the purpose of identifying the nearest set of base stations. Thereafter, the position of the mo... | 04/20/2010 |
| 7697941 | Updating presence in a wireless communications device A wireless communications device that sends and receives presence status information is configured to detect when it is proximate a predefined zone. A receiver in the wireless communications device receives presence information from a transmitter associated with the... | 04/13/2010 |
| 7697940 | Network apparatus for stable handoff in IP-based mobile ad hoc network system, and handoff method using the same A network apparatus for a stable handoff in an IP-based mobile ad hoc network system and a handoff method using the same. Present invention enables a handoff to be stably performed by pre-configuring a handoff to a new access router. The network apparatus of the pre... | 04/13/2010 |
| 7697942 | Location based rules architecture systems and methods Systems, methods, and software for identifying location based rules related to a network connected device are described. A network connected device may transmit a set of data identifying the location of the device and an identifier unique to the device to a server. ... | 04/13/2010 |
| 7689230 | Intelligent transportation system A node for communications in a transportation network comprises a processor, a memory, a communication device, and a set of instructions executable by the processor for: extracting information from a first message, making a first determination based at least in part... | 03/30/2010 |
| 7689229 | System and method for dissemination of information in a limited-access environment A limited-access environment is established to which admittance is controlled by an authority. Carrying of unapproved wireless communication devices into the environment is prohibited. Approved wireless communication devices are distributed, e.g. rented, under the a... | 03/30/2010 |
| 7680501 | Locating mobile terminals A method of providing a location estimate for a mobile station in a wireless communications network. The method of providing the location estimate includes implementing, in parallel, a plurality of different location estimate generation methods, each location genera... | 03/16/2010 |
| 7676232 | Altitude determination and distribution in cellular communication systems In the present invention, data of a digital altitude map of a cell in a cellular communication system is compressed in a first node by defining a polygon essentially representing the boundary of the cell. Each polygon corner is defined by a point having two lateral ... | 03/09/2010 |
| 7672678 | Location-based communication system A communication system for limiting communication between communication terminals based, at least in part, upon a separation between communication terminals is disclosed. A first communication channel is coupled with a first communication terminal, where the first c... | 03/02/2010 |
| 7672675 | System of utilizing cell information to locate a wireless device A system is described that utilizes the measured characteristics of a cell site or a plurality of cell sites (100, 102, 104) and the cellular identification to selectively provide a wireless device (118) with location aiding from a cellular network ser... | 03/02/2010 |
| 7672676 | Method and system for positioning in a mobile communications network A method and system for obtaining the position of a mobile station located in a current network of a communications system including a plurality of networks supporting different positioning protocols. The current network is identified at a location center based on t... | 03/02/2010 |
