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7321393 |
Method of controlling operation of a digital camera to take an identification photograph
Provided is a method of controlling the operation of a digital camera to order to take an identification photograph in a natural setting by displaying a frame and a reference outline of the identif...
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7319686 |
Frame synchronization in multi-cell systems with a data interface
A method of timing in a multi-cell system requiring synchronization of frames in transmission is provided. Transceivers of a wired data interface between a central controller and multiple base stat...
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EP1016447B1 |
EXHAUST GAS PURIFICATION METHOD
Abstract of EP1016447 Even in an exhaust gas in an oxygen-rich atmosphere, a method of purifying an exhaust gas and a catalyst for purifying an exhaust gas, which can exhibit a high NOx conversion...
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7177298 |
Dynamic channel allocation in multiple-access communication systems
Dynamic allocation of communication channels among communication units (CU) in a communications system. Dynamic channel allocation employs a reservation set for reserving channels and an allocation...
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7068625 |
Method for switching a communications link to another channel (handover)
The invention relates to a method for switching a communications link to another channel (handover) in a digital cellular mobile radio systems and a mobile radio system, the time of the handover be...
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6982971 |
Method and system for handoff between an asychronous CDMA base station and a synchronous CDMA base station
A method and system that enables faster acquisition of the forward link signal of a target base station in a mixed network of synchronous and asynchronous base stations is disclosed. The serving ba...
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6954439 |
Synchronization of terminals in a radio link system
The objective of the invention is to increase the potential hop density of single frequency TDD radio links by allowing a set of closely located terminals to use a single channel. This is possible ...
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EP0956726B1 |
A METHOD FOR SELECTING A SIGNAL, AND A CELLULAR RADIO SYSTEM
Abstract not available for EP0956726 Abstract of corresponding document: US6038458 A method for selecting a signal used in a cellular radio system having base stations and a vocoder encoding a sig...
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6882633 |
Method and device for synchronizing a mobile radio receiver with a frame structure of a radio signal
A method for synchronizing a mobile radio receiver with a frame structure of a radio signal received from a specific base station assumes that each base station transmits a predefined, individual s...
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EP0956727B1 |
A TRANSMISSION METHOD AND A CELLULAR RADIO SYSTEM
Abstract not available for EP0956727 Abstract of corresponding document: US5825760 The invention relates to a transmission method and a cellular radio system comprising base stations and at least ...
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6735222 |
System and method for time slot offset evaluation in an asynchronous TDMA network
A system and method in a digital TDMA telecommunication system for evaluating time slot offsets of asynchronously operating transmitters. The transmitters are equipped to receive a common reference...
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6641788 |
Absorbent for a hydrocarbon, and exhaust gas-purifying catalyst
An adsorbent for a hydrocarbon, comprising a calcined β-type zeolite showing a powder X-ray diffraction such that the sum of X-ray diffraction intensities at lattice spacings d=1.15±0.03 nm and d...
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6591104 |
Method for handover
Disclosed is a mobile communication system including a network constituted of at least one switching center and a plurality of base stations, and a mobile station which communicates with the base s...
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6477183 |
Economical synchronization system for asynchronous transfer mode mobile communication network without dependence on external system
An asynchronous transfer mode network includes a high-level station and a mobile station in a boundary zone between service cells of wireless base stations connected to the high-level station throu...
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6470188 |
Method for handover
Disclosed is a mobile communication system including a network constituted of at least one switching center and a plurality of base stations, and a mobile station which communicates with the base s...
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6359866 |
Base station having transceivers used for communicating voice and packet data signals
A method and apparatus for providing support for voice communications and data communications at a base station which has a plurality of transceivers, each having a voice mode of operation and a da...
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6309616 |
Method for adsorbing and removing ethylene and method for purifying an exhaust gas
A method for adsorbing and removing ethylene in an exhaust gas, comprises contacting with the gas an adsorbent comprising a zeolite which contains Ag and which has a ferrierite structure with a SiO...
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6252890 |
Apparatus for compensating for signal transit time differences of digital transmission devices
An apparatus transmits digital signals between a higher-ranking station and one or more subordinate stations through transmission devices. A signal transit time is automatically measured in the tra...
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6246673 |
Method and system for handoff between an asynchronous CDMA base station and a synchronous CDMA base station
A method and system that enables faster acquisition of the forward link signal of a target base station in a mixed network of synchronous and asynchronous base stations is disclosed. The serving ba...
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6191061 |
Method of purifying exhaust gas and catalyst for purifying exhaust gas
In an exhaust gas in an oxygen-rich atmosphere, a method of purifying an exhaust gas and a catalyst for purifying an exhaust gas, which can exhibit a high NO x conversion securely, are provided. D...
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6103208 |
Adsorbent for ethylene, method for adsorbing and removing ethylene and method for purifying an exhaust gas
A method for purifying an exhaust gas by contacting the exhaust gas with an exhaust gas-purifying catalyst comprising a nitrogen oxide-removing catalyst and an adsorbent for ethylene comprising a z...
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6081571 |
Discrete phase locked loop
A discrete phase-locked loop and method for supporting global synchronization of data communications in a mobile communications system is disclosed. In order to provide for air frame synchronizatio...
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6042797 |
Adsorbent for ethylene, method for adsorbing and removing ethylene and method for purifying an exhaust gas
An adsorbent for ethylene, comprising a zeolite which contains Ag and which has a ferrierite structure with a SiO 2 /Al 2 O 3 molar ratio being at least 15.
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6038458 |
Method for selecting a signal, and a cellular radio system
A method for selecting a signal used in a cellular radio system having base stations and a vocoder encoding a signal. The vocoder is operationally connected to the base stations via transmission pa...
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6028853 |
Method and arrangement for radio communication
The present invention relates to a method and arrangement in an ad-hoc network for synchronizing a multiple of radio transceiver arrangements with different characteristics that make use of a commo...
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6008155 |
Exhaust emission control catalyst and process for producing the same
An exhaust emission control catalyst having an excellent NOx converting capability includes a modified alumina which has a θ-phase and an α-phase and has an α-conversion rate R in a range of 0.5...
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5978680 |
Transmission method and a cellular radio system
The invention relates to a transmission method and a cellular radio system comprising base stations and at least one vocoder, the base stations and the vocoder transmitting a signal to each other, ...
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5943326 |
Synchronizing a telecommunication connection in a mobile communication system
A method for synchronizing a telecommunication connection in a mobile communication system, in which method a repeater station receives a connection set-up request for establishing a telecommunicat...
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5920817 |
Mobile communication system with reliable handover scheme
A mobile communication scheme realizing highly reliable handover and improved service quality. The communication signals containing identical communication data are transmitted simultaneously from ...
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5912886 |
Digital mobile communication system capable of establishing mutual synchronization among a plurality of radio base stations
A mobile communication system is capable of establishing mutual synchronization of radio communication channels among a plurality of radio base stations. A synchronization timing control center is ...
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5884177 |
Cellular communication system and method providing improved handoff capability
A cellular communication system and method providing improved handoff capability which reduces muting during handoffs. During handoffs, the system simultaneously monitors received signals from both...
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5828659 |
Time alignment of transmission in a down-link of CDMA system
A mobile station can be connected to more than one base station in a procedure known as macro-diversity. In order to synchronize the signals for a specific cellular call connection, the time differ...
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5822314 |
Communications system and method of operation
A method of operation of a communications system, having first (10) and second communications units (12) communicating frame divided information via a relay device (11). The second communications u...
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5805576 |
Method and apparatus for TDMA wireless communication employing collector arrays for range extension
TDMA communication system having forward channel communications and corresponding reverse channel communications between mobile users and a zone manager in an arbitrarily large broadcaster zone est...
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5737703 |
Multi-mode radio telephone which executes handover between different system
A radio telephone automatically hands over a call from one radio telephone system to another radio telephone system. Communication with respective radio telephone systems may be simultaneously cont...
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5722080 |
Inter-station synchronization method
In an inter-station synchronization method establishing frame synchronization for a radio interval between radio base stations via a mobile station in a cellular mobile communication system constit...
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5627830 |
Method and apparatus for transmitting information for multiple independent users in a communication system
An RF cellular communication system employing offset frame synchronization between cells, any cell being omni-directional or directional, such that a frame at one cell is offset by an integral numb...
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5586119 |
Method and apparatus for packet alignment in a communication system
A method and apparatus for packet alignment in a simulcast system includes a communications controller (310) having a vocoder and an input/output (I/O) processor (313) controlling the vocoder (311)...
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5550992 |
Transmission timing control in a base station for cellular TDMA mobile communication by receiving an up-link signal for a different base station
In each radio base station of a cellular mobile communication network in which a mobile station is communicative with the radio base stations through a time division multiplex radio link, a transmi...
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5550828 |
Method of handing off a communication unit in a cellular communication system
The present invention provides a method of handing off a communication unit in a cellular communication system. The method includes communicating initialization frame data from a target cell transc...
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5541979 |
Cell extender with timing alignment for use in time division multiple-access and similar cellular telephone systems
A cell extender for use in digital cellular telephone systems comprises a control module, and scanning module, and several traffic modules. The control module bidirectionally repeats the donor cell...
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5533028 |
Communications subsystem between base stations and base station controllers in burst communications systems
A communications subsystem between base stations and base station controllers in burst communications system of the type that links a set of base stations (2) with a base station controller (1) by ...
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5519710 |
Network synchronization for TDMA cellular communication using signals from mobile stations in neighboring cells
In a TDMA cellular communication network, one of the cell sites is a reference station for establishing a time reference in response to a timing signal from a mobile switching office, and each of t...
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5509014 |
Wide area cellular radio system
The range of a digital cellular radio cell is extended by providing first and second communication paths (RXA,RXB) in which the second communication path receives signals from outside the range (D1...
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5479409 |
Method of transmitting timing advance data to a mobile station in a cellular mobile radio network and corresponding mobile station, base station controller and transmission system
A method and system for transmitting timing advance data to a mobile station in cellular mobile radio network and corresponding mobile station, base station controller and transmission system. The ...
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5430724 |
TDMA on a cellular communications system PCM link
A cellular radio system, having a mobile services switching center (MSC) coupled to a base station by means of a pulse code modulation (PCM) link, has an apparatus comprising, in the MSC, a transco...
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