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6259916 |
Method and apparatus for minimizing perceptible impact on an interrupted call prior to hand-off
Method and apparatus for reducing the perceptible impact to user traffic during a hand-off process in a full duplex wireless communications system having subscriber units and base stations, the...
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6253086 |
Adaptive frequency planning in a cellular network
Radio frequencies of a base station in a cellular network are chosen adaptively so that when choosing the uplink frequency the base station measure at all frequencies or at some frequencies of the...
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6249676 |
System and method for call optimization between mobile terminals in a satellite network
A telecommunications system and method is disclosed for restricting optimization of calls between mobile terminals within a satellite network to allow implementation of supplementary services....
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6240140 |
Channel aggregation having low latency and overhead
A system and method communicate a single stream of data using an arbitrary and time-varying number of channels of arbitrary, differing, and time-varying bit-rates. A transmitter and a receiver both...
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6240275 |
System and method for channel assignment based upon interference and channel quality measurements
A telecommunications system and method is disclosed for assigning channels based upon interference and channel quality measurements. The interference level measurements are carried out on the...
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6233437 |
Method and apparatus for testing mobile communication device employing frequency hopping
A method and apparatus for testing mobile communication devices involve utilizing the device's frequency hopping capabilities to substantially reduce the time required to measure operational...
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6230016 |
Apparatus and method for adaptive-dynamic channel assignment in wireless communication networks
A channel assignment system assigns channels to various cells by the optimal partitioning of the available radio frequencies into non-overlapping sets, the optimal grouping of co-user cells, and...
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6226520 |
Call set-up method in radio communication system
Call processing method for exchanging channel information between a radio terminal and a base station by using a traffic channel. The radio terminal generates a list of radio terminal traffic...
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6223036 |
Adjacent cell monitoring method and mobile station
A voice component effectiveness judging section takes as input voice parameters from a voice component extraction section and determines whether or not an effective voice component is present that...
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6223042 |
Method of intelligent roaming using network information
A wireless communication device identifies a preferable wireless service provider in a multi-service provider environment using a search schedule based on information gathered by the wireless...
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6219554 |
System and method of integrating dynamic frequency association with channel borrowing techniques
A Dynamic Frequency Association ("DFA") techniques comprising fixed channel allocation ("FCA") and distributed channel borrowing techniques using a segregation scheme is described. The DFA...
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6212658 |
Method for the correction of a message in an installation
A method for the accurate transmission of a message between a transmitter and a receiver that are connected to a transmission line supplied by the mains system. The method includes means for...
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6212386 |
Automated tool method for frequency plan revision within a cellular telephone system
Interference and bit error rate measurements are made on the uplink and downlink to determine communications quality. Mobile station mobile assisted hand-off (MAHO) functionality is utilized to...
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6212396 |
Generic handset programming and configuration
A method and apparatus for controlling communications between a base and a handset capable of communicating with each other on at least one communication channel within a channel set. The method...
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6208855 |
Mobile data communication system
In data transmission from a base station to a mobile station, a received signal strength is monitored at the base station and the mobile station and, when the received signal strength reduces to...
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6208842 |
Method and apparatus for estimating a channel parameter
A method and apparatus for estimating mobile radio channel parameters by dynamically determining the delay offset, carrier frequency offset, and coherent averaging length that yields the optimum...
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6188903 |
Method and apparatus for frequency reuse in cellular communication systems
A time sharing method and apparatus for frequency reuse in cellular communication systems. Frequency reuse is enhanced by synchronizing cell transmit/receive base stations in a cellular system to a...
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6175739 |
Channel selection method of a wireless communication system
To provide a channel selection method of a wireless communication system which enables a wireless station to select a wireless channel dynamically even when there are but an insufficient number of...
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6167270 |
Soft handoff in the transmission of supplemental channel data
A channel structure for use in communication systems. Two sets of physical channels, one for the forward link and another for the reverse link, are utilized to facilitate communication of a variety...
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6167273 |
Apparatus, and associated method, for effectuating power control to maintain desired QoS levels in the performance of a communication service
Apparatus, and an associated method, for initiating gain control in a radio communication system. Determinations are made as to a required range of gains at which gain elements of a transmitter...
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6148203 |
Method for registering a communication device for communication service
A communication device (100) contains a plurality of bandmaps in a memory (102). Upon powering up the device, the device first scans frequencies listed in a learned bandmap (104). If no suitable...
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6128499 |
Method and device for determining and selecting frequencies
In two superimposing communication systems using the same frequencies, where the second communication system was not considered in the frequency planning of the first cellular communication system,...
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6112066 |
Mobile radio set and method of determining the reception field strength
The reception field strength of the RF carriers of adjacent channels and of the current channel are determined in a mobile radio set in a TDMA system. A plurality of individual measurements are...
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6112092 |
Self-configurable channel assignment system and method
A self-configurable wireless system is provided which can determine its own channel assignments without the need for advance planning or human intervention. Such a system is implemented as an...
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6112056 |
Low power, short range point-to-multipoint communications system
A point-to-multipoint or two-way communications system is provided by a nodal transmitter located in a node with a plurality of nodal antennas radiating different polarization signals about the...
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6091954 |
Channel assignment in enhanced fixed-plan mobile communications systems
In a multi-reuse level cellular communications system, a channel is assigned for use by a mobile unit by first determining whether the mobile unit is a non-enhanced mobile unit or an enhanced...
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6085093 |
Frequency transition process for capacity enhancement in a cellular network
The frequency transition process migrates frequency groups from one frequency reuse plan to another. In response to a change in capacity requirements, the process migrates each layer of the present...
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6081721 |
Communication method, base station and terminal apparatus
In order cope with a change of the transmitting capacity in a wireless telephone system. A number of transmission channels are set within the transmission frequency band prepared for each base...
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6081722 |
Mobile radio transmission system with channel allocation, utilizing the extended kohonen networks
A radio transmission system having a base station and a mobile station is disclosed. A controller dynamically changes in real-time the allocation of channels in response to changes in signal...
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6078812 |
System and method for adaptive channel allocation
A telecommunications system and method is disclosed for providing adaptive channel allocation for indoor cellular systems, which utilizes interference measurements on both the down-link channels...
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6075988 |
Paging performance during intelligent roaming
Disclosed herein is the method of operating a cellular mobile station to identify a suitable cellular control channel for entering a camping state with a highest priority cellular service provider,...
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6072988 |
Mobile communication system capable of promptly allocating optimum traffic channels
In a mobile communication system comprising a control station, a plurality of base stations each for defining a service area, and a plurality of mobile stations, in a standby mode, each of the...
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6069871 |
Traffic allocation and dynamic load balancing in a multiple carrier cellular wireless communication system
A wireless communication system provides wireless service to a mobile unit operating within a service area and includes a mobile switching center, at least one base station controller, a first...
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6064890 |
Mobile communication apparatus with improved base station monitoring
In order to detect a base station for a call connect or handover in almost real time while a mobile communication apparatus is moving, the measured base station selecting unit 110 refers to the...
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6061568 |
Method and apparatus for mitigating intermodulation effects in multiple-signal transmission systems
Method and apparatus for mitigating intermodulation distortion effects in frequency division multiple access (FDMA) communications systems. In one embodiment, an effective transmit power level is...
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6055431 |
Adaptive control of multiple beam communication transponders
An adaptive method controls the operation of multiple beam antenna systems used in communication satellite transponders. This method adaptively controls the coverage area assignments, frequency...
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6052596 |
System and method for dynamic channel assignment
A system and method for providing dynamic channel assignments in a microcellular system surrounded by a macrocellular system. The method characterizes the RF environment of the microcellular system...
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6049717 |
Operator assisted tool and method for frequency plan revision within a cellular telephone system
Utilizing a three pass processing procedure, a frequency plan revision proposal is defined, verified, implemented and confirmed by a network operator. In a first pass (evaluation), interference and...
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6047160 |
Transportable base station for a trunked radio communication system
A base station is configured to facilitate its rapid deployment to provide trunked radio communication system. The base station includes a receiving section and a transmitting section functioning...
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6044249 |
Method for determining handover margins in a cellular communication system
Optimal handover margins in a cellular communication system (100) are determined by computing a power budget (701) for each base station/neighbor combination in the communication system (100) and...
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6035208 |
Cellular type mobile communication system capable of efficiently utilizing frequencies
In a mobile communication system comprising base stations (11, 12) covering microcells (16, 17) and a base station (13) covering a macrocell (18), each of the base stations (11, 12) monitors...
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6032046 |
Base station frequency assigning system for a mobile communications system
A base station frequency assigning system for a mobile communication system which is capable of assigning operational frequency for each base station in a short time is realized. Base stations...
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6032045 |
Method of automatic frequency assignment in a mobile communication system
An automatic frequency assignment method, which is capable of assigning optimum frequencies to radio ports even when the radio ports are adjacent with a shield therebetween, is provides. A...
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6032105 |
Computer-implemented microcell prediction modeling with terrain enhancement
A computer-implemented modeling tool for cellular telephone systems predicts signal strength under real conditions by considering the effects of terrain and man-made structures on transmitted...
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6023623 |
Process for dynamic channel allocation in mobile radio networks
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6021314 |
Free channel selector for selecting an optimal channel
A free channel selector for selecting from a plurality of channels an optimal channel for establishing radio communication. The channels may be selected by a radio frequency (RF) module for...
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6006069 |
Point-to-multipoint communications system
A point-to-multipoint or two-way communications system is provided by a nodal transmitter located in a node with a plurality of nodal antennas radiating different polarization signals about the...
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6002934 |
Methods and apparatus for assigning frequencies in a cellular network
A method and computerized apparatus for assigning frequencies to a plurality of cells in a cellular network. Each cell requires a predetermined number of frequencies. The method includes generating...
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5995807 |
Method of switching a channel from a first propagation path to a second propagation path
The invention provides a method of switching a call set up between a first station and a second station from a current propagation path to a following propagation path. The method includes the...
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5987319 |
Call-setup method in a digital cellular radio communication system
A call-setup method in a digital cellular radio communication system determines a plurality of parameters defining the current state of the system. By evaluating and combining these parameters into...
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