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6553008 |
Multidirectional time-division multiplexing wireless data communications system
A multidirectional time-division multiplexing wireless data communications system can prevent erroneous data from being transmitted through a data communication line even when a bit error has...
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6553017 |
Communication device and method for determining the signal quality of communication resources in a communication system
A communication device ( 100 ) receives a first portion of an information packet via a primary communication resource ( 102 ). During a time period otherwise allocated for receiving a second...
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6553020 |
Communications system and method
A communications system ( 1 ) has a plurality of nodes ( 2 ). Each node ( 2 ) has a receiver ( 10 ) for receiving a signal transmitted by wireless transmitting means and a transmitter ( 11 ) for...
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6553006 |
Resource allocation in packet-format data transmission
The invention relates to a method for allocating resources for a data transmission connection between a wireless communication device and a mobile communication network. In the method, the...
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6549532 |
Allocation of uplink radio resources in a radio communication system
For allocating radio resources in a time-division multiple access packet mode radio communication system, each remote station stores transmit authorizations for each time slot of a frame in a...
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6549531 |
Multi-cell TDMA radio communication through limited subsets of time slots
A Time Division Multiple Access (TDMA) radio communication system, comprising radio access units or radio base stations arranged to provide duplex radio communication with remote radio...
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6545993 |
Method and apparatus for managing data transfer and acknowledgements
A method and apparatus are provided, where the method and apparatus include associating a frame with at least one corresponding memory location that contains data, transmitting the data within the...
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6545994 |
Access probe acknowledgment including collision detection to avoid oversetting initial power level
In an illustrative embodiment of the present invention, a first channel is allocated for transmitting sporadically generated messages from multiple field units to a base station. The first channel...
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6545999 |
Wireless communicating method, wireless communicating system, communicating station, and controlling station
A wireless communicating method for a system having a plurality of communicating stations and a controlling station for controlling an accessing operation of the communicating stations in which the...
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6546000 |
Method for channel use in TDMA system, and TDMA system
A method for using channels in a time-division multiple access radio system which includes at least one base station and at least one mobile station and which operates on one or more carrier...
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6542599 |
Subscriber system transmission apparatus with line concentrating capability
A subscriber system transmission apparatus has a line concentrating capability which is performed a relatively simple efficient redundant structure for increased overall system reliability. A...
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6542485 |
Methods and apparatus for wireless communication using time division duplex time-slotted CDMA
Methods and apparatus for wireless communication in systems such as omni-beam and narrow-beam fixed wireless loop (FWL) systems. In a first technique in accordance with the invention, referred to...
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6542482 |
Load sharing for MCPA-equipped base station
The present invention provides a method by which users may be moved between time slots or between base stations in order to better utilize the MCPA output power resources. According to an exemplary...
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6539007 |
System and method for multiple single-phase access in a TDMA wireless network
A communications device for receiving data from a base station in up to N phases, including in one phase, all phases, or multiple phases. The multi-phase mode captures data from all phases and...
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6539003 |
Method for acquisition and synchronization of terminals in a satellite/wireless TDMA system
A TDMA system ( 11 ) is provided using a programmable, fixed-period frame structure for communication between network terminals ( 6,10 ). All bursts are timed with respect to this programmable...
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6535503 |
Channel allocation method and radio system using a combination of TDMA and CDMA
A radio system and a channel allocation method in a radio system are provided. The radio system and method have at least one base station communicating with terminals within a coverage area...
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6532228 |
Open loop receiver
A receiver for receiving a radio packet transmitted at a transmission frequency. Reception circuitry is arranged to receive radio signals at a receiving frequency. The reception circuitry includes...
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6532223 |
Communication method, transmission method, reception method, base station and terminal
A terminal in a wireless telephone system can efficiently search for available base stations. Communication of user information between a base station and a terminal is intermittently performed in...
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6532224 |
Method, systems, and terminals for assigning control channel time slots for group and individual pages
A method of assigning paging channels to terminals providing group communications with a communications systems includes defining a control channel including a plurality of time slots wherein the...
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6529493 |
Mobile station combining telecommunications and positioning functions, and a corresponding method of receiving positioning signals by a mobile station
The invention relates to a mobile station of a digital cellular communications system, the station being of the type comprising: means for transmitting and receiving telecommunications signals by...
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6529494 |
Downlink timeslot power control in a time division multiple access system
In a time division multiple access (TDMA) based cellular radio telecommunications system, system performance is improved by adjusting the transmit power associated with certain downlink signals...
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6522638 |
Packet data communication system with buffered data and control channels
A packet data communication system includes a control station and a plurality of mobile terminals that communicate on demand with the control station over a wireless link. The control station has a...
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6519240 |
Method and base station system for channel allocation in a radio communication system
According to the invention, a first portion of the timeslots is allocated to a first base station and a second portion of the timeslots is allocated to a second base station, in particular, in the...
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6519449 |
Method and apparatus for a signal power control in a wireless communication system
The invention provides a signal power control method and apparatus for a wireless system to control the power level of a received signal transmitted over a radio link so as to counteract...
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6519452 |
Method and system for optimizing wireless communication system performance
A system and method for a simultaneous examination of synchronized forward and reverse link data of a telecommunication network is provided. An RF optimizer system first gathers inputs from both...
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6519245 |
Communication system having dedicated time slots for selection signals
A communication system having hubs and mobile units where a mobile unit uses selection signals from hubs during dedicated time slots for selecting a particular hub for communication during...
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6515982 |
Device and method for time-division multiple access radio communication
The present invention reduces power consumption and costs for components, and improves acknowledgement speed by using a memory or the like used only for acknowledgement. A time-division multiple...
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6515577 |
Channel monitoring by a multichannel selective call receiver
A multichannel selective call receiver ( 10 ) includes-a receiver ( 11 ), a controller ( 16 ), a baud detector ( 17 ) and a memory ( 18 ). The controller is adapted to control the receiver in...
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6510174 |
Apparatus, and associated method, for facilitating setting of link parameters to improve communication qualities in a radio communication system
Apparatus, and an associated method, for facilitating selection of link parameters associated with a communication signal transmitted in a radio communication system, such as a GSM (global system...
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6510149 |
Data carrier including a circuit with time slot determination means and time slot fixation means
A data carrier ( 2 ) can communicate with a station ( 1 ) during a respective time slot (TS) within successively generated time slot sequences (TSS), the data carrier ( 2 ) being provided with time...
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6507575 |
Apparatus and method for sharing a signaling channel
The present invention is an apparatus and a method for sharing a communication channel among two or more base stations connected to a base station controller via a common transmission line in a...
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6504837 |
Method and system for data transmission with a macrodiversity reception
In a method for transmitting data via a radio interface between base stations and subscriber stations in a radio communications system, the time slots in a frame are allocated to different base...
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6501737 |
Method for determining a quantity of channel resources to reserve for data services in a communication system
To address the need for a method to determine an optimal quantity of channel resources to reserve for data services in communication systems that support both data and voice services, the present...
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6501744 |
Slotted mode in wireless CDMA systems
A slotted communication mode employed in a wireless code division multiple access (CDMA) communication system includes slotted frames interspersed among normal frames, each slotted frame containing...
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6501745 |
Method for variable block scheduling indication by an uplink state flag in a packet data communication system
A packet data communication system uses an USF (Uplink State Flag) transmitted on the downlink and interleaved with downlink data, to schedule traffic on the uplink for one or several mobile users...
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6498936 |
Methods and systems for coding of broadcast messages
A message is wirelessly broadcast to wireless terminals by error correction coding the message to produce an error correction coded message block, dividing the error correction coded message block...
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6496495 |
Cellular communication system
Disclosed is a cellular communication system in which each of terminals communicates with a host device through one of subordinate devices of which the terminal is placed in the service area,...
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6496706 |
Method and system for transmit gating in a wireless communication system
The present invention is a novel and improved method and system for communicating a frame of information according to a discontinuous transmit format. In particular, the present invention describes...
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6490271 |
Method and apparatus for dynamic radio resource controlling
A solution for controlling data transfer over the air interface is introduced. Information is transceived over a first interface and a second interface, the first interface being the air interface....
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6490263 |
Radio communication apparatus and radio communication method
The base station apparatus according to the present invention places pilot data and transmission power control data independently of each other in a slot based on processing delays and propagation...
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6490261 |
Overlapping slot transmission using phased arrays
A time-division multiple access (TDMA) base station is disclosed for preserving across-slot signal continuity of signals transmitted in different directions on a given frequency. The base station...
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6490270 |
Modulation method for transmitter
In a wireless communication system, the constellation mapping scheme employed may be changed on a per-time-slot basis, i.e., from time slot to time slot, so that the constellation used to encode...
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6490262 |
Interference in a cellular communications system
A method of, and apparatus for, processing interference in a cellular communications system. The method includes the steps of determining a quality value per burst; identifying those bursts for...
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6487181 |
Method and apparatus for transmitting and receiving information in a time slot
A communication device employs a method and apparatus for transmitting and receiving information in a time slot. When transmitting, the communication device generates user information symbols and...
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6487187 |
Random access control channel gain control and time slot recovery for remote in-band translator in time division multiple access wireless system
In a conventional Time Division Multiple Access (TDMA) wireless system, the specified distance between a mobile unit and the base transceiver system (BTS) cannot exceed predetermined distances...
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6487399 |
Mobile terminal employing 30kHz/200kHz carrier identification
A method for use by a multi-mode, dual band mobile terminal ( 10 ) for identifying a presence of a GSM1900 carrier that is channelized into first channels having a bandwidth of 200 kHz, and for...
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6487188 |
Radio communication system, mobile station apparatus, base station apparatus, and transmission power control method
The base station apparatus according to the present invention places pilot data and transmission power control data independently of each other in a slot based on processing delays and propagation...
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6483826 |
Utilization of plural multiple access types for mobile telecommunications
A first telecommunications system ( 20 1 ) has at least partially geographically overlapping coverage with a second telecommunications system ( 20 2 ), with radio transmission access in the first...
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6483827 |
Dect-based radio station
The radio station has DECT circuitry for processing one or more bit streams to be transmitted over a communication channel divided into successive 10 ms radio frames each having a plurality of...
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6480716 |
Estimating subscriber terminal speed, selecting cell, and radio system
The invention relates to a method for determining a speed of a subscriber terminal and for selecting a cell in a radio system comprising a plural number of microcells and at least one umbrella cell...
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