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Match Document Document Title
7373155 Method for positioning mobile station and repeater thereof  
The present invention relates to a method for positioning a mobile station and a repeater thereof. Said method comprises: the mobile communication network, when receiving a positioning request from...
7355993 Method and apparatus for forward link gain control in a power controlled repeater  
A power controlled repeater is disclosed for use in a wireless communication system to control the forward link gain. The power controlled repeater includes a forward link for communications from a...
7339902 Repeater for performing auto-negotiation between two node devices in a network  
The present invention provides a repeater and associated method for performing auto-negotiation between two node devices in the Ethernet network. The repeater includes a receiver receiving related...
7310497 Radio communication repeater  
The invention proposes a repeater designed for indoor transmissions. The useful frequency band is split into two frequency bands and the repeater amplifies the signals from one of the bands and...
7295806 Using directional antennas to enhance wireless mesh networks  
The principles of the present invention provide for using directional antennas to adaptively communicate in a wireless mesh network. A number of infrastructure components are included in a wireless...
7177643 Wireless network for routing a signal without using a tower  
A wireless network is provided having a plurality of intermediate devices that can be dynamically added and removed from the wireless network. Each of the intermediate devices includes a...
7154866 Message control protocol in a communications network having repeaters  
A wireless communications network which provides directed transmissions between components of the network is provided. The components within the wireless communications include a master apparatus,...
7123648 Radio relay apparatus  
A radio relay apparatus including an outdoor relay unit formed of first and second receiving parts equipped out of doors and an indoor relay unit formed of third and fourth receiving parts, and a...
7096042 System and method for increasing cellular system capacity by the use of the same frequency and time slot for both uplink and downlink transmissions  
A method for increasing cellular system capacity includes receiving a signal in a time slot and a frequency band and transmitting a signal in the same time slot and the same frequency band. An...
7092434 Mobile station used as a repeater station when communicating with a base station  
When a mobile station communicates with a base station by way of one or a plurality of other mobile stations, the mobile station acting as a relay station determines whether the data demodulated...
7046697 Fast ethernet multiport repeater  
The invention combines the repeater functions outlined in the IEEE 802.3 Standards, ยง27, and the 100BASE-TX PCS and PMA. The disclosed FEMR provides four ports in the PQFR packet of its 100 pins....
7031658 System and method for single radio retransmission using a half duplex radio  
Single radio retransmission with a half duplex radio accomplished using Time Division Duplexing to alternate between transmit and receive cycles of a retransmission radio. This allows a single half...
7026949 Method for transmitting and receiving messages in home appliance networking system  
A method for transmitting and receiving messages in a home appliance networking system, wherein a first home appliance connected to a network appends a unique message identification number to a...
6987989 Base station apparatus provided with array antennas  
In an array-antenna base-station apparatus 100 , a relay-station apparatus 110 and a control-station apparatus 120 are connected with optical cables 140, 150 , and, moreover, calibration of...
6940868 Digital serial communications hub  
A digital serial communications hub has the ability to delay, route and regenerate data on the fly at mixed baud rates, mixed character framing bits, and mixed protocols without prior setup. In...
6904266 Wireless enhancer using a switch matrix  
An improved enhancer is disclosed which uses a switch matrix to increase the isolation between two antennas. For either an reverse link or forward link communication, the enhancer has a first...
6842617 Wireless communication device with multiple external communication links  
A decentralized asynchronous wireless communication system is disclosed for providing voice and data communication that allows flexibility of communication paths for local communication or for...
6704296 Optimized MII for 802.3u (100 BASE-T) fast ethernet PHYs  
A media independent interface for interconnecting an integrated repeater front-end with one or more integrated interface devices, each having several physical layer devices for operation in...
6600727 Distributed network repeater system  
A repeater, useable for connecting switches in a data communication network, is provided in a distributed and/or modular fashion. The repeater includes a plurality of separate and distinct...
6313663 Full swing voltage input/full swing output bi-directional repeaters for high resistance or high capacitance bi-directional signal lines and methods therefor  
A bidirectional full swing voltage repeater implemented on a signal line of an integrated circuit, which includes a first enable node for providing a first enable signal and a second enable node...
6181681 Local area network media access controller layer bridge  
A device, system and method for a LAN is disclosed. The device includes a plurality of ports to connect to units such as host end user units. Each of the ports is connected to arbiter/aggregation...
6172965 Duplex transmission scheme  
This invention relates to duplex and to half duplex transmission schemes and more particularly to the application of such schemes in TDMA and other multiple access environments. In accordance with...
6169801 Digital isolation apparatus and method  
A digital isolation apparatus for coupling between a telecommunication network and a digital signal processing device. A CODEC is arranged to couple to the telecommunication network, convert a...
6169746 Signal transmission system for high speed serial bus  
Between two nodes, data in the form of two different signals are transmitted bidirectionally, in accordance with IEEE1394 through one optical fiber cable. At the time of data transmission, data of...
6147978 Method and apparatus for preventing message collisions in a half-duplex communication system  
In a half-duplex communication system in which additional delays in the communication channel may cause a message collision between a message and a response, a timer based collision prevention...
6031825 Infrared audio link in mobile phone  
A system for providing an IR-link between a mobile phone and its accessories to transmit audio, control, and data signals between them in an apparent full-duplex real time mode using a conventional...
5978371 Communications module base repeater  
A repeater communications module (RCM) that enhances signals in a communications network comprises a processor coupled to a communications medium and optionally to a host application. The RCM...
5923670 Multi-port type universal asynchronous receiver/ transmitter system using time division system  
A multi-port universal asynchronous receiver/transmitter (UART) system is disclosed having time division multiplexing and demultiplexing. The system has plural UART's and includes a time slot...
5910943 Method and device in radio based telecommunication system using repeaters  
A radio based communication system including stationary units, portable or mobile units, and repeaters. Respective mobile units communicate using a normal access schedule where transmitting and...
5883884 Wireless digital communication system having hierarchical wireless repeaters with autonomous hand-off  
In a wireless communication system, a base unit transmits outgoing TDM signals within a base transmission coverage area at a first frequency. Repeaters in the base coverage area receive the...
5883882 Fault detection in a frequency duplexed system  
A frequency band, or test band, located between the uplink and downlink frequency bands of a distributed, frequency duplexed network is used in a novel way to isolate block-level faults within the...
5848054 Repeater for transmission system for controlling and determining the status of electrical devices from remote locations  
A repeater for use in a two way communication system for retransmitting information between a first device and a second device to help ensure reliable two way communication between the devices,...
5812933 Duplex RF repeater for personal communications system  
A duplex RF repeater for use in a personal communications system distributes and enhances time division duplexed signals at a single RF carrier. The duplex RF repeater includes an up-link amplifier...
5754540 Expandable integrated circuit multiport repeater controller with multiple media independent interfaces and mixed media connections  
A 100BASE-T compliant integrated circuit multiport repeater provides one or more medium independent interfaces (MII's) and a plurality of physical interfaces. This facilitates connection of the...
5734643 Method and apparatus for transmitting data over a radio communications network  
In a trunked radio data communications system using half-duplex radios, plural data messages are exchanged over a single RF working channel using a technique where a working channel repeater...
5678177 RF repeaters for time division duplex cordless telephone system  
The object of the invention is to employ a single amplifier for both the transmit and the receive signals in an RF repeater for interfacing with a base station for exchanging transmit and receive...
5651001 Method and apparatus for full duplex signaling  
A network transmitter device and network receiver device is described. The network transmitter device transmits a first voltage potential, a second voltage potential, a third voltage potential and...
5634196 Radio call history list  
A method and two-way radio apparatus are disclosed which provide for the storage and recollection of call history information, in a call history memory, based on a system ID codes and group ID...
5634191 Self-adjusting RF repeater arrangements for wireless telephone systems  
An RF repeater arrangement for exchanging transmit and receive signals between a handset and a base station in a wireless telephone system automatically compensates for attenuation losses. The RF...
5570354 Device for increasing the functional area of a system of digitally operating cordless telephones  
A system of digitally operating cordless telephone including a fixed station (20) connected with the common net (11) and several freely movable mobile stations (30.1 to 30.4). The naturally...
5509028 Radio transmission method using repeater stations with spectrum reversal  
The method is used to transmit digital signals by radio over a predefined frequency band between a base station and mobile stations. At least one repeater station is used to receive radio signals...
5377255 RF repeaters for time division duplex cordless telephone systems  
An RF repeater for interfacing with a base station for exchanging transmit and receive signals in a time division duplex cordless telephone system comprises a multicarrier amplifier having an input...
5327580 Full duplex RF repeater/base station providing microprocessor-controlled simultaneous CTCSS tone encode/decode  
A microcomputer within a duplex RF transceiver operates in an interrupt-driven manner to simultaneously encode and decode CTCSS signalling (with one microcomputer interrupt service routine being...
5319635 Electronic duplex communication system  
A communication unit (10) transmits a first signal (12) that has a plurality of holes (44) therein during the occurrence of which another communication unit may interrupt. A repeater (14) receives...
5231629 Full-duplex communication system  
In a TDM communication system (100), full duplex communication is provided for two communication units(104) and (105) which communicated communication messages through a repeater (102)....
5091906 Quasi-duplex radio system using bi-directional hole extension  
A method for interrupting a radio transmission in a quasi-duplex radio-frequency communication system. The method of the present invention includes the step of transmitting a signal (22), with...
5010583 Repeater for a wide area coverage system  
A repeater for a wide area coverage multiple repeater system (100) includes a receiver (220) and a transceiver (230). The receiver (220) receives a received signal from a portable or mobile...
4908820 Non-reciprocal bidirectional duplexer  
A non-reciprocal bidirectional duplexer includes a first transmission medium extending from a first terminal to a third terminal; a second transmission medium extending from the second terminal to...
4849963 Cellular radio telephone enhancement circuit  
For use in a cellular radio-telephone system to enhance a signal from a cell site in an area shadowed by an obstruction such as a building or a mountain or the like, and to receive signals from...
4754450 TDM communication system for efficient spectrum utilization  
A time division multiplexed (TDM) communication system is disclosed, which apportions radio frequency communication channels into at least two time slots. Voice signals for transmission on this...
Matches 1 - 50 out of 71 1 2 >