Matches 501 - 550 out of 745 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
6526033 Delivering calls to GSM subscribers roaming to CDMA networks via IP tunnels  
Method and system integrating wireless/wireline and circuit/packet networks (to bypass GSM Memorandum of Understandings) for cellular/PCS services so that GSM subscribers roaming into CDMA networks...
6522880 Method and apparatus for handoff of a connection between network devices  
A method and system are shown for handing off a communication stream between a mobile node and a communication endpoint from a first connection initiator to a second connection initiator while...
6522643 Apparatus, method, and computer program products for cell-hopping satellite communications  
An apparatus, method, and computer program product for assigning communication resources in a beam-hopping cellular communication system. The satellite has a multiple beam antenna that covers a...
6519236 Automatic power control in uncoordinated frequency-hopping radio systems  
Transmission power in a frequency-hopping radio system that transmits packets from a sending radio unit to a receiving radio unit, wherein each packet includes an address designating the receiving...
6515977 De-assigning signals from the fingers of a rake receiver  
A technique for de-assigning signals from the fingers of a rake receiver is disclosed. In general, embodiments of the present invention place more stringent standards on signals that have been...
6515975 Fast forward power control during soft handoff  
Disclosed is an apparatus for and method of increasing the stability of a CDMA cellular system using fast forward power control. This is accomplished by improving the relative power level...
6510146 Method for handover and cell re-selection  
For transmitting information about the neighbouring cells to mobile stations, a base station of a cellular radio system creates a message ( 27, 27 ′) containing information about the neighbouring...
6501959 Method for controlling forward calls by predetermining the transmission power in the base station of a cellular radio telecommunication system  
A method for controlling the forward calls in a cellular radio telecommunication system, comprising the steps of: reading the transmission power of the BS measured by the BTU; comparing the...
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...
6501736 System for increasing the call capacity of a wireless communication system  
The system for increasing the call capacity of a wireless communications system degrades voice quality of the communications connections within a predetermined limit in order to increase the...
6496493 Handoff trial method by a mobile station  
A handoff trial method by a mobile station that compares a pilot power strength of a base station providing communication service to the mobile station with a pilot power strength of a neighboring...
6496492 Hand off control for reducing rate of occurrence of forced disconnection of communication  
A hand-off control method is disclosed that can reduce the rate of occurrence of forced disconnection of communication. The intensity of signals received from a base station is periodically...
6493331 Method and apparatus for controlling transmissions of a communications systems  
In some aspects, each cell in the communications system can be designed to operate in accordance with a set of back-off factors that identify the reductions in peak transmit power levels for the...
6487185 Frame erasure for digital data transmission systems  
A method of improving frame erasure performance, in particular for slow frequency hopping channels with cyclic co-channel interference, by selection of the most suitable PBER threshold from a range...
6483824 Method and apparatus for acquiring service in a “border area”  
A method and computer program product for acquiring service in a border area that is serviced by two communications systems that share the same frequencies. The method of the present invention...
6480879 Framework for providing quality of service requirements in a distributed object-oriented computer system  
A distributed system provides a quality of service by generating at least one system condition object storing a value, monitoring at least one resource in real time using the system condition...
6477371 Method and configuration for transmitting data  
In the data transmission method, the radio signals of the base station that is assigned to the link at a given time are processed by a receiver component of a communications terminal. The radio...
6477155 Method for determining the number of effective channels and the effective channel rate in a CDMA network  
A method for determining the number of effective channels and the effective channel rate in a CDMA network is disclosed. The method calculates the ratio of the soft handoff area to the total...
6466797 Methods and arrangements relating to a radio communication system  
In a mobile telecommunication system the transmission quality is dependent on a wide range of radio conditions. A method for extracting a useful estimation of the radio environment of a mobile...
6466557 Transmission channel allocation method and allocation apparatus  
A PDMA (Path Division Multiple Access) channel allocation method is provided that allows setting of a channel to a user requesting connection using a reception signal vector, a weight vector, or a...
6459690 Channel selector device for multiple access direct transmission systems between mobile stations  
A channel selector device for a multiple access system of direct transmission between mobile stations carries out measurements on various channels during calls in order to determine if there is a...
6456858 System and methods in a dual mode wireless system for transmitting rescan command based on detected network conditions  
A dual-mode wireless telephone communications system, having a digital wireless communications system (e.g., CDMA) and a second wireless communications system, selectively outputs a rescan command...
6445918 Method and system for saving dropped calls  
A method and system for reconnecting dropped calls in a mobile telecommunications network. Upon detecting a call drop of an ongoing call, a mobile station involved in the call transmits a call...
6445917 Mobile station measurements with event-based reporting  
The present invention provides event-based or driven reporting of mobile station measurements. A mobile station measures one or more radio-related parameters for one or more cells in a radio access...
6442389 Method and apparatus for optimizing parameters of a communication system  
A communication system via the aid of a mobile station ( 195 ) and a computing device ( 150 ) determines value of an offset factor. Mobile station ( 195 ) measures a pilot signal strength...
6442151 System and method for variable reassignment of transmission channels  
A method of assigning a channel to a service in a wireless communications network based on interferences levels and channel quality. Channels are preassigned and then reassigned using an algorithm...
6442143 Signal quality maintenance in a communication system  
A method for operating a communication system which is subject to fading and interference includes an arrangement at a user terminal andor a gateway for determining the received signal strength. If...
6442129 Enhanced channel estimation  
A scheme for identifying usable carriers for a particular modulation type and selecting, if possible, a modulation type for modulation of OFDM symbol block associated with data packets in a...
6438389 Wireless communication system with adaptive beam selection  
A wireless communication system has several antennas that are electronically controlled to form N distinct beams (e.g., directional or sectored beams). Each one of the N beams is periodically...
6438377 Handover in a mobile communication system  
The invention relates to a handover method in a mobile communication system where the serving base station measures the level and/or quality of the uplink signal of a mobile station. The base...
6434399 Method for subscribing telecommunications devices at cooperating stations by wireless telecommunication  
In order to improve the subscribing of telecommunication devices at cooperating stations connectable to the telecommunication devices by wireless telecommunication in wireless telecommunication...
6434390 Macrodiversity control system having macrodiversity mode based on operating category of wireless unit  
A macrodiversity control system provides a wireless unit with a macrodiversity mode depending on the operating category of the wireless unit. For example, a wireless communications system can have...
6434367 Using decoupled power control sub-channel to control reverse-link channel power  
In a wireless communications system, a base station transmits power control signals (e.g., the power control bits of a power control sub-channel) to a mobile using a forward-link channel that is...
6424833 Mobile communication system and a hand-off method thereof  
A mobile communication system, which is capable of improving a hand-off success rate of a mobile terminal moving in a high speed, and also capable of improving a process capability of a base...
6424637 Method for synchronizing a mobile station to UMTS while operating in GSM dedicated mode  
A method for universal mobile telephone service synchronization by a mobile station operating in a GSM dedicated mode in a wireless communication system including a mobile station sending voice...
6418137 Transmitted signal power control in cellular communications systems  
A base station produces a power control bit dependent on SNR (signal-to-noise ratio) determined for each time slot of a signal received from a remote station of a cellular communications system. If...
6415313 Communication quality control system  
A communication quality control system for deciding an optimum communication quality in a received datagram to transfer the datagram, in which not only a destination is decided according to the...
6415147 System for avoiding congestion in mobile communication and method of doing the same  
A system for avoiding congestion in mobile terminal communication, includes (a) a plurality of mobile stations, (b) a plurality of base stations, and (c) a base station controller connected to the...
6407993 Flexible two-way telecommunication system  
A flexible two-way telecommunications system is disclosed having geographically distributed primary stations whose coverage areas define contiguous cells. Secondary stations are capable of roaming...
6400953 CDMA type mobile radio communication system capable of realizing an effective system operation without excess and deficiency of radio base stations simultaneously connected  
In a code division multiple access (CDMA) cellular type mobile radio communication system, in order to realize effective system operation with neither more nor less of radio base stations which are...
6400690 Dual map system for navigation and wireless communication  
A system produces of an empirical map of wireless communication coverage through a process of combining information from individual clients to produce a map which is then shared by all of the...
6393276 Mobile station assisted forward link open loop power and rate control in a CDMA system  
In a CDMA system, forward link load measurements and mobile station channel measurements are provided to the base station controller to allow the controller to jointly select the initial traffic...
6385451 Handover between mobile communication networks  
The invention relates to a method for handing over a connection between a first (NW 1 ) and a second mobile communication network (NW 2 ) in a wireless terminal (MS 1 ). In the method, at least one...
6385183 CDMA power control system  
According to a power control system for a CDMA mobile radio communication network, powers at which downlink pilot signals are transmitted from base stations are controlled so that the numbers of...
6381231 Private base stations  
A private base station ( 231 ) provides communication directly between a cellular mobile telephone ( 201 ) operable within a cellular network and a public switched terrestrial network ( 116 ). The...
6360100 Method for robust handoff in wireless communication system  
A communication system that allows a soft handoff to be completed, even when the communications link between the active base station and the mobile station deteriorates before the mobile station...
6360098 Method and system for determining a neighbor list for a code division multiple access (CDMA) sector  
In a code division multiple access (CDMA) radio communications network ( 20 ) having a plurality of cells ( 24 ) subdivided into sectors ( 26 ), a computer based method ( 36 ) and a computing...
6353742 Method and apparatus for backhauling data in a communication system  
The present invention provides a method and apparatus for backhauling data in a communication system ( 100 ). A plurality of quality metrics are received at a centralized controller ( 105 ) from a...
6353602 CDMA base station assisted soft handoff  
A code-division multiple access base station assisted quality soft handoff algorithm screens or filters out candidate pilot signals from a pilot strength measurement message generated by a mobile...
6351460 Method and apparatus for a dedicated control channel in an early soft handoff in a code division multiple access communication system  
A method and apparatus for high data rate communication in a cellular/PCS communication system is provided. Specifically, the embodiment provides for early assignment of code channel for signaling...
Matches 501 - 550 out of 745 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >