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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8121605 | Resource allocation to terrestrial and satellite services There is provided a method for improving an allocation of resources, i.e., frequency and power, to terrestrial services and satellite services that use a same frequency band. The method includes determining a demand (DS) for a resource by users of a satel... | 02/21/2012 |
| 8107965 | Distributed computation of precoding weights for coordinated multipoint transmission on the downlink In a Coordinated Multi-point (CoMP) system, the base station (BS) in each serving cell (or sector) is allowed to use not only its own antennas, but also the antennas of neighboring BSs to transmit to mobile terminals in the serving cell to form a floating CoMP cell.... | 01/31/2012 |
| 8068842 | Idle mode handling in a hybrid GSM/CDMA network In a mobile wireless telecommunications system, which includes base stations (30) of a first type operating over a first air interface, and base stations (32) of a second type operating over a second air interface, a method for reselection by a mobile ... | 11/29/2011 |
| 8041360 | Method of seamless roaming between wireless local area networks and cellular carrier networks A scheme that enables seamless roaming between the WLAN and the cellular carrier network by enabling a user that originates a call in the WLAN and happens to go outside the range of the WLAN to automatically switch over to the cellular carrier network without losing... | 10/18/2011 |
| 8036670 | Method and apparatus for concurrent WiMAX and GSM operation Concurrent WIMAX and GSM operation is facilitated in a user device by coordinating for WiMAX absence periods during WiMAX frames that may conflict with corresponding GSM frames. ... | 10/11/2011 |
| 7912470 | Method of partitioning resources in a cognitive radio wireless communication system and system supporting the same A method of partitioning resources in a CR wireless communication system and a system supporting the same are provided. A new BS receives radio resource status information from a prior BS using a particular frequency band, and requests resource partitioning to the p... | 03/22/2011 |
| 7835751 | Method of seamless roaming between wireless local area networks and cellular carrier networks A scheme that enables seamless roaming between the WLAN and the cellular carrier network by enabling a user that originates a call in the WLAN and happens to go outside the range of the WLAN to automatically switch over to the cellular carrier network without losing... | 11/16/2010 |
| 7813738 | WLAN operating on multiple adjacent bands A method for communication includes deploying a plurality of access points, which have respective coverage areas and are configured to operate on a common frequency channel, in a service region of a wireless local area network (WLAN), so that the coverage areas of t... | 10/12/2010 |
| 7778643 | Power and timing control methods and apparatus The use of multiple states of mobile communication device operation to allow a single base station to support a relatively large number of mobile nodes is described. The various states require different amounts of communications resources, e.g., bandwidth. Four supp... | 08/17/2010 |
| 7684805 | Systems and methods for facilitating instant communications over distributed cellular networks In instant communications over a wireless network, a user from a private organization sends the request for instant communications communication through a private server controlled by the private organization. The private server sets up a private account with the wi... | 03/23/2010 |
| 7623868 | Multi-band wireless access point comprising coextensive coverage regions A multi-band wireless access point includes a first antenna system including at least one antenna and having a first effective range for communicating with subscribers using a first communications protocol and a second antenna system including a plurality of antenna... | 11/24/2009 |
| 7596378 | Idle mode handling in a hybrid GSM/CDMA network In a mobile wireless telecommunications system, which includes base stations (30) of a first type operating over a first air interface, and base stations (32) of a second type operating over a second air interface, a method for reselection by a mobile ... | 09/29/2009 |
| RE40564 | Cellular communications system with sectorization A method and apparatus for sectorizing coverage of a cellular communications area includes providing a remote unit having microcell antenna units. Each microcell antenna unit is configured to cover a particular sector. The remote unit is connected to a sectorized ba... | 11/04/2008 |
| 7443817 | Automatic wireless connection selection The present invention relates to wireless communications systems, and in particular the selection of one or more available wireless connections suitable for use with a desired service or set of services. The present invention provides a method of and apparatus for s... | 10/28/2008 |
| 7440758 | Cell planning methods and apparatus, and networks configured based on same Coverage areas for wireless networks are divided into a plurality of cells that are arranged in rows. Channel frequencies are assigned to cell sectors and associated with respective antenna axes. The antenna axes of adjacent rows are alternatingly rotated, thereby r... | 10/21/2008 |
| 7433692 | Method for dimensioning a mobile telecommunications network A method for assessing the characteristics obtainable in a network for mobile telecommunications apparatuses suitable for managing calls with both data traffic and/or voice and data traffic. On the basis of the performance requested for the quantity and characterist... | 10/07/2008 |
| 7433708 | Variable bandwidth in a communication system A method, device, and system that use narrowband channels to provide higher re-use without multiplying the operator spectrum requirement. If a communication system supports variable carrier bandwidth channels, the narrow channel capacity can be divided among adjacen... | 10/07/2008 |
| 7406319 | WLAN having load balancing by access point admission/termination A network includes access points that admit/terminate mobile station associations based upon the loading level of the access point and/or whether a mobile station can associate with a further access point. Mobile stations transmit information indicative of the acces... | 07/29/2008 |
| 7398091 | Method and apparatus for providing a multimedia broadcast/multicast service in a visited network A communication system provides a Multimedia Broadcast/Multicast Service (MBMS) to a roaming user equipment (UE) by receiving, at a first network, a request from the UE to subscribe to an MBMS service and, in response to receiving the request, conveying to the UE a ... | 07/08/2008 |
| 7389112 | Mobile terminal for optimal spectrum utilization in cellular systems A method and apparatus for providing handover between carriers of different duplex frequency separation distances is provided. A mobile terminal is configured to operate in both fixed and variable duplex. The ability operate with unpaired up-link and down-link frequ... | 06/17/2008 |
| 7386314 | Data transmitting method for opportunity driven multiple access (ODMA) system A mobile communication system for communicating data with various priorities is provided. The system comprises a transmitting device for transmitting data having a transmission priority, an object mobile communication terminal designated for receiving the data; and ... | 06/10/2008 |
| 7382757 | Method for supporting a plurality of subscribers operating on different frequency bands using a single access point The present invention allows a single access point (“AP”; 100) to support a plurality of devices (102, 104) operating on different frequency bands. During a first period of time, the AP initiates a contention free period at a first frequency. The A... | 06/03/2008 |
| 7373150 | Method and system for allocating frequency resources based on multiple frequency reuse factors in cellular communication systems Disclosed are a system and a method of allocating frequency resource in a cellular communication system. The method includes the steps of dividing a predetermined time duration into at least two sub-time durations, and forming the frequency resource by applying mutu... | 05/13/2008 |
| 7369854 | Release of radio resources in an unlicensed wireless communication system An unlicensed wireless service is adapted to generate the interface protocols of a licensed wireless service to provide transparent transition of communication sessions between a licensed wireless service and an unlicensed wireless service. In one embodiment, a mobi... | 05/06/2008 |
| 7366892 | Secure telematics A telematics system that includes a security controller is provided. The security controller is responsible for ensuring secure access to and controlled use of resources in the vehicle. The security measures relied on by the security controller can be based on digit... | 04/29/2008 |
| 7366517 | Cellular radio network reusing frequencies Method of arranging a cellular radio network in a geographical area which is already covered by an existing cellular radio network, wherein cell clusters of the cellular radio network to be introduced and using a specific transmission frequency are located in areas ... | 04/29/2008 |
| 7363385 | Routing of data transmission connection A problem with known data transmission networks is that the connection of the terminal equipment to the data transmission network is not flexible. The user must himself actively perform the choice and connection of access as well as its registration with the network... | 04/22/2008 |
| 7363039 | Method of creating and utilizing diversity in multiple carrier communication system In many cellular systems, reusing spectrum bandwidth, creates problems in boundary regions between the cells and sectors where the signal strength received from adjacent base stations or adjacent sector transmissions of a single base station may be nearly equivalent... | 04/22/2008 |
| 7359702 | Apparatus for providing a gateway between a wired telephone and a wireless telephone network Methods, apparatuses, and computer program products provide for creating a gateway between a wired telephone and a wireless telephone network. The gateway device is connected to a wired home telephone network having one or more wired telephones, a wired telephone ne... | 04/15/2008 |
| 7346353 | Apparatus and method for implementing detection of system information changes in universal mobile telecommunications systems In a mobile telecommunications system comprising a network of a plurality of cells and at least one user equipment device, the user equipment is arranged, when the user equipment re-configures itself to enter a new state or performs cell reselection, to read broadca... | 03/18/2008 |
| 7343162 | Wireless communication method, wireless communication apparatus, and wireless communication system In a wireless communication system having a wireless base station, wireless terminal stations belonging to a first group which performs wireless communication while sharing different frequency channels, and wireless terminal stations belonging to a second group whic... | 03/11/2008 |
| 7336923 | Method, apparatus and system for extending wireless network coverage A method, apparatus and system for extending wireless network coverage is generally presented. In this regard, an extender agent is introduced to determine whether a wireless communication(s) was intended for a client(s) on an extended coverage network serviced by a... | 02/26/2008 |
| 7333517 | Method and system for accurately calculating latency variation on an end-to-end path in a network A high-resolution, per-packet measurement tool for analyzing a computer network that operates by sending a predetermined number of packets from a sender machine to a receiver machine with measurement information inserted into the packet. The system kernel at the sen... | 02/19/2008 |
| 7330736 | Methods and apparatus for reduced energy communication in an ad hoc network The invention relates to communications devices for reduced energy communications in an ad hoc network. The communication device includes a first low powered transceiver for initiating communications with other communications devices and a second transceiver for tra... | 02/12/2008 |
| 7323970 | Method and system for remote interaction with a vehicle via wireless communication A telemetry system coupled to a vehicle can communicate with a remote site using the overhead control channels of a wireless network, such as a cellular mobile radiotelephone network. The telemetry system can monitor or control aspects of the vehicle's operations ba... | 01/29/2008 |
| 7319847 | Bitwise monitoring of network performance The present invention provides for a method and system for measuring data quality of service in a wireless network using multiple peripatetic (i.e. mobile) and/or stationary, unattended, position, and performance instruments (PUPPIs) that are remotely controlled by ... | 01/15/2008 |
| 7319853 | Home system including a portable fob having a display A home wellness system includes a headless base station having a first wireless communication port, a portable fob having a second wireless communication port, a user input device and a display, and plurality of sensors. Each of the sensors senses information and in... | 01/15/2008 |
| 7318111 | Methods and apparatus for selecting a wireless network based on quality of service (QoS) criteria associated with an application Methods and apparatus for selecting a wireless communication network based on quality of service criteria associated with an application are disclosed. In one illustrative example, one of several different software applications of a mobile communication device is ex... | 01/08/2008 |
| 7292861 | Logical channel selection for information transmission in a telecommunications system The idea of the present invention is to enable the transmission of control information via several logical channels and to select the transmission channel dynamically by using a predefined selection rule. There are at least two logical channels that can be selected ... | 11/06/2007 |
| 7283904 | Multi-sensor fusion Systems and methods are disclosed for establishing a mobile network in which each mobile unit, such as a car, becomes a node able to receive and transmit a wide variety of information, including for example, traffic conditions, vehicle mechanical/electrical status, ... | 10/16/2007 |
