Matches 1 - 50 out of 141 1 2 3 >
Match Document Document Title
7626974 Frame synchronisation in a radio access network  
A method of optimizing the timing offsets with which data frames are transmitted over the Iur/Iub interfaces of a UMTS Terrestrial Radio Access Network, UTRAN. The method comprises, for a given...
7613423 Method of creating active multipaths for mimo wireless systems  
A method of transmission in a wireless communication system including a transmitter, a transceiver and a receiver. The transmitter transmits a first signal to the receiver. The transceiver also...
7584495 Redundant stream alignment in IP datacasting over DVB-H  
A real-time program transmission system and method may receive a signal from a content source, and generate two different data streams. One stream may be of a higher quality than the other. The two...
7542787 Apparatus and method for providing hands-free operation of a device  
The present invention provides an apparatus and method for providing hands-free operation of a device. A hands-free adapter is provided that communicates with a device and a headset. The hands-free...
7398052 Method and a system for detecting communication relaying network elements  
A method for determining if a signal received at a radio receiver in a communication system is transmitted to the receiver via a direct radio link comprising the steps of: determining a signal...
7375628 Message transmission in one or more languages based on one or more personal information component inputs  
An information component of an apparatus in one example selects one or more languages for transmission of one or more messages to one or more personal information components based on one or more...
7373104 Signal relay apparatus and method for a wireless network  
A signal relaying apparatus includes a plurality of devices for relaying signals to and from distant nodes in a wireless communication network. At least one of the devices is an antenna; the...
7339932 Communication system and mobile communication station used for this communication system  
A communication system and mobile communication station used in a communication system with low installation cost and no base station. The communication system performs radio communication by...
7139527 Multi point wireless transmission repeater system and wireless equipments  
A communication system having an excellent communication path capacity characteristic even in an insight transmission environment in which a transmitter and a receiver can see each other directly...
7123875 System and method for multipoint distribution of satellite digital audio radio service  
A satellite digital audio radio service multipoint distribution system and method. The system comprises a satellite antenna and a satellite receiver for receiving a satellite digital audio radio...
7072612 Repeater identification in position determination system  
A method of identifying whether a first signal received at a subscriber station has been relayed by a repeater. The method involves measuring at the subscriber station a time difference of arrival...
7058386 Mobile phone distribution system  
A mobile telephone programming and accounting system that includes an integrated hardware system interlinking a telephone unit, a telephone interlink receiver, and a central processing unit...
7031701 Delay control method  
The invention is directed to a method for controlling delays in a cellular telecommunications network. The delay control method according to the invention is based on a hierarchical structure of...
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...
7013111 Wireless communication apparatus  
The disclosed invention provides a wireless communications terminal apparatus that calculates its accurate position, eliminating the influence of a repeater on the calculation without using...
7003415 Delay profile estimation apparatus and a correlating unit  
A delay profile estimation apparatus and a correlating unit to obtain delay profile with suppressed noise are disclosed. The delay profile estimation apparatus includes a receiving unit to receive...
6952559 Digital radio ad enhancements  
A digital radio stores advertisements for substitution during a broadcast for a bumpable advertisement within the broadcast. Upon detecting a bumpable advertisement within a predetermined broadcast...
6798351 Automated meter reader applications of universal frequency translation  
Frequency translation and applications of same are described herein, including RF modem and wireless local area network (WLAN) applications. Such applications include, but are not limited to,...
6674730 Method of and apparatus for time synchronization in a communication system  
Time alignment of a signal from a remote unit at a hub station of a multiple access system is achieved based upon an initial time indication received from the hub station at the remote unit via a...
6535717 Method, system and apparatus for transmitting, receiving, and reproducing a digital broadcast signal  
The present system comprises a transmitting apparatus for digital broadcast which includes an original signal generating section, delaying section, information amount reducing section, and...
6507741 RF Repeater with delay to improve hard handoff performance  
An RF repeater having a fixed or adjustable time delay inserted in the reverse path and/or forward path of the RF repeater is used in a first cell for improving hard handoff performance from the...
6459909 Distributed cellular telephone antenna system with adaptive cell configuration  
A distributed antenna system for use in an in-building cellular telephone network, the system including a base transmission station (BTS), and a distributed antenna for conveying transmissions to...
6351627 Send/receive communication by delayed audio packets  
A method of communication and the communication system wherein, there is provided a first telephone for receiving information, time-compressing the information, storing the information and...
6263201 Scheduled data Transmission system, scheduled data transmission method, and transmission server  
This invention makes it possible to link separately employed pagers, PHS, and other data terminals with computer networks such as the Internet, and to schedule transfer of data to the data...
6229986 Reconfigurable analog channel processor for multibeam satellites  
An analog transponder processor for use in a multibeam satellite receiving input beam signals and transmitting output beam signals has an input switch matrix, channel processors, and an output...
6226494 System and method for intermittent satellite communication with a fixed antenna  
A low-cost, low maintenance earth-based station is disclosed which includes a fixed aperture antenna directed to a fixed location. The system operates with a plurality of non-geosynchronous...
6223286 Multicast message transmission device and message receiving protocol device for realizing fair message delivery time for multicast message  
A multicast message transmission device and a message receiving protocol device for guaranteeing a fair message delivery time for a multicast message. At the receiving protocol device, a release...
6169498 Device and method for communication location-specific messages  
A method for communicating location-specific messages includes storing a library of such messages within a portable device having a capability of randoly accessing the messages. Each...
6163678 Satellite packet terminal and method for transmitting packet data from the same  
To carry out smooth data communication even when a radio communication channel with a satellite is in a fault state, it is judged whether the radio communication channel is in a fault state or not,...
6128496 Cellular transceiver station with adjustable time lag  
An arrangement of an area covering, cellular radio communication network having cell regions which can be contiguously replicated without interference. A central transceiver station is coupled to a...
6112054 Satellite positioning method in a communication control system  
A satellite position/arrival-time calculating section calculates the arrival date and time at which a communication satellite is to arrive in a communicable area where the communication satellite...
6061548 TDMA repeater eliminating feedback  
A system and method for providing a re-transmitted signal substantially free of feedback is disclosed. According to a preferred embodiment of the present invention, a delay is utilized with select...
5950117 Car radio receiver comprising a memory for storing predetermined vocabulary elements  
A vocabulary memory which contains descriptions of vocabulary elements is addressable by a code which is formed by a number designating a vocabulary element, but the set of useful codes for a given...
5950113 Method and apparatus for inbound transmission in a two-way radio messaging system  
A first portable subscriber unit (122, 602) of a plurality of portable subscriber units transmits (504) an inbound message (400) on an inbound channel. The inbound message is intended for a base...
5930293 Method and apparatus for achieving antenna receive diversity with wireless repeaters  
A wireless repeater comprising a first antenna for receiving a first signal from a wireless terminal and for transmitting the first signal along a first path; a second antenna for receiving a...
5850593 Mobile communication for a mobile station near or outside a service area of a base station  
In a mobile communication network comprising a base station (11) having a service area (13) and a plurality of mobile stations, communication is rendered possible between the base station, with a...
5848129 Electronic billboard with telephone call-in control  
A conventional billboard for displaying a visual message is combined with a communication system for enabling a message related to the message displayed by the billboard to be transmitted from the...
5815795 Oscillation detecting system for wireless repeater  
An oscillation detecting apparatus for detecting an oscillation of a wireless repeater intervening between a base station and a mobile station brought in communication with each other through a...
5710978 Logging recorder system for trunking radio  
A logging recorder system for trunking radio includes a device which monitors a plurality of channels of the trunking radio system and outputs analog signals representative thereof. A digitizer is...
5697049 Radio relay method, radio relay system using the method and radio unit  
A radio relay communication system wherein a signal transmitted from active one of a plurality of radio units is received and recorded. When the transmission operation of the particular radio unit...
5689802 Two-way radio with transmit mode and repeat mode  
A two-way radio having a receiver (20) for receiving a radio signal including a voice message, a storage element (45) coupled to the receiver for storing the voice message received, a voice input...
5652765 Receiver and repeater for spread spectrum communications  
A repeater improving the effect of a RAKE reception. A received signal from a base station parallelly passes a first path including a first delay circuit and a second path including no delay...
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...
5613201 Automatic call destination/system selection in a radio communication system  
A method and apparatus for placing calls in a multi-system land mobile radio network. A plurality of call destinations are linked or grouped together into a call group. Each call destination has a...
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...
5530915 Method for determining and utilizing simulcast transmit times by master transceiver  
Determining transmit time of a received signal in a simulcast multi-site communication system begins when a communication unit transmits a message to one or more network receivers. The receivers...
5504802 Communication system apparatus for transmitting and receiving data having a radio wireline interface  
A digital satellite communication system including a local terminal coupled to a radio wireline interface through a radio satellite network. The radio wireline interface connects the radio...
5455579 Digitized stored voice paging receiver  
A paging receiver device and method are disclosed in which analog information transmitted from an external source such as a paging transmitter are received and decoded. The analog information...
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...
5345594 Information transmission system retransmitting information signals according to retransmission schedule  
An information transmission system in which an information signal supplied from a base station is automatically edited at relay stations and retransmitted to terminal stations according to a...
Matches 1 - 50 out of 141 1 2 3 >