Edward J Morgan, Michael G Shean, Farshid Alizadeh Shabdiz, Russel K Jones: Continuous data optimization of moved access points in positioning systems. Skyhook Wireless, Wilmer Cutler Pickering Hale and Dorr, August 14, 2012: US08244272 (49 worldwide citation)

Methods and systems of continuously optimizing data in WiFi positioning systems. A location-based services system uses WiFi-enabled devices to monitor WiFi access points in a target area to indicate whether a WiFi access point has moved relative to its previously recorded location. A WiFi-enabled de ...

John Doherty, Mike Collins: Multi-purpose portable computer with integrated devices. Motion Computing, Charles D Huston, Daffer McDaniel, April 10, 2012: US08152071 (49 worldwide citation)

A portable computer having multiple modes of connectivity is disclosed. The portable computer may be configured to communicate using several wireless transmission protocols, including WWAN, WiFi, and Bluetooth. The portable computer may also receive input from multiple devices, including a bar code ...

Kamilo Feher: Detection, communication and control in multimode cellular, TDMA, GSM, spread spectrum, CDMA, OFDM WiLAN and WiFi systems. November 13, 2012: US08311509 (48 worldwide citation)

Detection device for detection and generation of detection device generated signal, processed with remote control device generated remote control signal, with location finder or location tracker or navigation signal and with Modulation Demodulation (Modem) Format Selectable (MFS) communication signa ...

Robert W Boyd: Location system for wireless local area network (WLAN) using RSSI and time difference of arrival (TDOA) processing. Zebra Enterprise Solutions, Alston & Bird, March 1, 2011: US07899006 (47 worldwide citation)

A wireless local area network includes a plurality of access point stations that receive and transmit communications signals within the wireless local area network. A first set of access point stations are WiFi compliant and measure signal strength and determine the received signal strength indicati ...

Ji Zheng Zhang, Xi Yin Liu, Kun Shi, Na Sun, Yan Lai Wang: Method and system of using a wireless link in the backhaul connection. Alcatel Lucent USA, Harness Dickey & Pierce, May 24, 2011: US07948942 (46 worldwide citation)

One embodiment of the communication system includes a switch, at least one base station, and a backhaul connection including at least one wireless link connecting the at least one base station to the switch. The wireless link may include at least one of a WiMax carrier and a WiFi carrier.

Louie J Sanguinetti: Wireless communications circuitry with simultaneous receive capabilities for handheld electronic devices. Apple, Treyz Law Group, G Victor Treyz, Jason Tsai, February 25, 2014: US08660501 (45 worldwide citation)

Handheld electronic devices are provided that contain wireless communications circuitry. The wireless communications circuitry has simultaneous reception functions that allow the handheld devices to simultaneously receive multiple communications signals in a single communications band. The handheld ...

Kamilo Feher: Remote control, cellular, WiFi, WiLAN, mobile communication and position finder systems. March 8, 2011: US07904041 (43 worldwide citation)

Remote control system for generating control signal for controlling a device from a distance. Processor for processing a digital signal into Time Division Multiple Access (TDMA) and into cross-correlated in-phase and quadrature-phase filtered signal. Voice processor for processing a voice signal int ...

Malcolm K Beyer Jr, Christopher R Rice: Method of providing a cellular phone/PDA communication system. Advanced Ground Information Systems, Malin Haley DiMaggio Bowen & Lhota P A, December 8, 2009: US07630724 (39 worldwide citation)

A cellular, PDA communication device and communication system for allowing a plurality of cellular phone users to monitor each others' locations and status, to initiate cellular phone calls by touching a symbol on the touch screen display with a stylus which can also include point to call conferenci ...

Christopher L Oesterling, Dwayne A Crocker: WIFI authentication method. General Motors Corporation, June 16, 2009: US07548744 (38 worldwide citation)

A system and method provides secure authentication of a wireless communication channel for a vehicle telematics device that includes detecting a wireless access point within radio range of a telematics device, requesting authentication information for the access point through a first secure communic ...

Minh Chau Huynh: Multi-band antenna for GSM, UMTS, and WiFi applications. Sony Ericsson Mobile Communications, Coats & Bennett P L L C, October 7, 2008: US07432860 (37 worldwide citation)

The multi-band antenna described herein includes multiple antenna elements that collectively resonate in multiple different frequency bands. One exemplary antenna includes first and second vertically spaced antenna elements that connect to a ground plane. A feed antenna element positioned between th ...

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