Matches 251 - 300 out of 372 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
6112089 Method and system for increasing capacity and improving performance of a cellular network  
A method and system for increasing capacity and improving performance of a cellular network. The method includes maintaining and analyzing matrices of a cell in the network. Once matrix stores...
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...
6075990 Handoff control method and communication system in a multiple frequency environment  
A handoff control method and communication system is provided that uses a virtual cell boundary in a multiple frequency environment. The handoff control method includes forming a virtual cell...
6070087 Selective call receiver with priority based network selection  
In a selective call receiver which is usable in a plurality of networks, a setting data memory previously stores network identifiers for identifying the networks and network priorities which are...
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...
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...
6052602 Method and apparatus for selecting a base station based on a timing value obtained from a system timing signal  
A base station selecting method, a reference signal receiving method, and a subscriber apparatus by which base stations to be monitored can be efficiently selected with a simple structure, wherein...
6049715 Method and apparatus for evaluating a received signal in a wireless communication utilizing long and short term values  
A long term average and a short term value of the strength of a received signal is used to determine a trigger condition in a mobile communications system to perform such functions as control...
6047183 Selection of positioning handover candidates based on angle  
A telecommunications system and method for determining optimal target Base Transceiver Stations (BTSs) to perform positioning handovers and obtain positioning data is disclose. When a positioning...
6044262 Wireless device with automatic auto-response setting function  
An auto-response mechanism in a wireless device is switched to active only when the device is in motion and is switched to inactive when stationary. To achieve this function, the wireless device...
6041235 Handover method and arrangement for a mobile communication system  
6041234 Method and apparatus for registering a radio telephone subscriber unit wherein the subscriber unit remains tuned to the registering channel after successful registration  
Disclosed is a method for operating a radio telephone subscriber unit or mobile station (10) to register with a cellular system. The method includes the steps of determining from...
6035206 Method and apparatus for transmitting multiple communication messages on a communication resource  
An apparatus (109) for and method of voting provides efficient use of communication resources (111, 112), while avoiding interference caused by other signal sources, particularly in a simulcast...
6035196 Automatic cell transfer based on reverse channel characteristics  
In a distributed communication system, a mobile initiates a cell transfer or channel top based upon an assessment of measured parameters on the reverse channel. Advantageously, a mobile initiates a...
6032042 Cellular radio network having mobile radio station user-activated unlocking of prevention of location-updating feature  
6029070 Selection of positioning handover candidates based on path loss  
A method, apparatus, and system for the selection of target nodes in locating a receiver is disclosed. The receiver measures the strength of signals transmitted by a number of nodes. The received...
5995840 Method and apparatus for dynamically selecting a frequency reuse plan for a radio messaging system  
A method and apparatus in a radio messaging system monitors (304, 404), by a plurality of base receivers (207), an inbound channel for an inbound transmission from a portable subscriber unit (122),...
5995836 Method and system for variable handoff hysteresis in a radiocommunication system  
A method and system for performing handoffs in radiocommunication systems using a time variable hysteresis value are described. By varying the hysteresis value in accordance with the amount of time...
5987332 Method of providing a subscriber unit with neighbor cell information during ongoing communication  
A subscriber (510) to a radio communication system acquires new neighbor cell information after switching to a new server site (530) during lulls in an ongoing communication session. In one...
5987328 Method and device for placement of transmitters in wireless networks  
From layout and attenuation data of an area and an initial guess, the placement and power levels of base stations and the resulting attenuation and base station ranges are calculated based on any...
5978686 Selective call receiver with priority based network selection  
A selective call receiver usable in service areas involving a plurality of networks. The selective call receiver is able to select the appropriate network by counting a frequency of reception of a...
5974319 Transmission and reception of signals in a communication systems  
A dual-mode mobile station (125) transmits an AMPS signal (Td AMPS) concurrently during transmission of a DS CDMA signal (Td DS CDMA) for purposes of handoff of the mobile station from the DS CDMA...
5970417 Method for maintaining a group call  
A method for maintaining a group call in a mobile radio system, and a mobile station in a mobile radio system, wherein the geographical area covered by the system is divided into radio cells. Each...
5966668 Methods for handling reconfiguration of radio base stations in radio local loop systems  
Techniques for enhancing radiocommunication systems, e.g., radio local loop systems, are described. Radio local loop systems replace a portion of the wired connections between a local exchange and,...
5966402 Method and apparatus for detecting pilot signals and subscriber  
A pilot signal detection method, a pilot signal detection apparatus and a subscriber in which the timing of a pilot signal of a neighbor base station is detected correctly and efficiently for...
5960347 Seamless handoff system and method  
A multicellular communications system where transmission between a roving subscriber and multiple base station transceivers is maintained throughout the territory. Each mobile subscriber unit has...
5946632 Method for updating a radio affiliation database  
A radio (101) affiliates with radio frequency sites (135, 145) based on a radio database (110) defining a group of valid site affiliations and a group of invalid site affiliations. Affiliations by...
5940741 Method and apparatus arranged to reduce traffic on a network channel  
A system controller (105), and analogous method, for a two way selective messaging system (100) that is arranged to reduce traffic on a network channel (109) that intercouples a plurality of base...
5937350 Train radio telephone system using home location register (HLR)  
A train radio system with a simple network structure that is suitable for a safe radio transmission. The train radio system comprises radio stations (R), which are arranged along a route, and a...
5930714 CDMA inter-mobile switching center soft hand-off  
The present invention facilitates an inter-mobile switching center (MSC) soft hand-off by creating a communication link between the MSCs through the base station controllers (BSCs). The routers in...
5926759 Telecommunications system  
The invention provides a system and method whereby a mobile station of telecommunications system selects one of a number of fixed ground stations by which the mobile station communicates with the...
5915219 Cellular radio network divided into a primary network covering a selected operating area and at least one subsystem covering possibly overlapping area, with possibility of handoff and registration between primary network and subsystem  
A cellular radio system includes cells or cell groups complementing the network capacity locally. These cells or cell groups have not been presented as neighboring cells for the surrounding...
5905953 Method for implementing private wireless telecommunications networks  
A wireless telecommunications system is capable of providing both public wireless service and private network service on existing IS-95 CDMA facilities without changes to the air interface or the...
5903843 Traffic channel assignment based on traffic density and signal quality  
A radio communication system and a traffic channel assignment method for realizing the assignment of traffic channels capable of improving the efficiency of use of frequency in the case where the...
5901362 Method and apparatus for connecting a wireless LAN to a wired LAN  
An internetworking node for providing internetworking services for mobile wireless nodes. Each mobile wireless node is associated with at the most one internetworking node. Each mobile wireless...
5896570 Handoff by monitoring of received signal strengths among base stations  
A radio handset for communication via one of a plurality of channels with one of a plurality of base stations in a digital cellular telephone system, comprising means to monitor at first intervals...
5896569 Wireless access to telephone network dial tone  
A system and method for providing wireless access to a telephone line of a telephone network utilize a mobile terminal and a crossconnect base station. The mobile terminal transmits a radio...
5884175 Handover following in a mobile radio system  
A method is provided of following a communication transaction during which a communicating mobile station (12) is handed-over from one radio cell to another in a mobile radio system. The...
5878350 Scheme for controlling transmission powers during soft handover in a CDMA mobile communication system  
A scheme for controlling transmission powers during a soft handover in a CDMA mobile communication system, in which the receiving quality can always satisfy the reference quality even when a...
5878327 Antenna apparatus and information transmitting system  
In an information transmitting system for radio-transmitting information between a fixed station and a mobile station moved within a predetermined moving range, an antenna apparatus is provided on...
5875402 Time-synchronous communication system  
A time-synchronous communication system comprises: fixed stations having distance measuring/time reference synchronization and maintaining unit, receiving/processing unit, transmitting/processing...
5867791 Up link macro diversity method and apparatus in a digital mobile radio communication system  
A digital cellular mobile radio communication system includes a mobile station transmitting an information block and a set of base stations receiving information blocks corresponding to the...
5862490 Communication services needs of a communication unit supplied through simultaneous affiliation with multiple service providers in a communication system  
A radio communication system (100, 200) employs a method of providing communication services to a communication unit (104, 105) having a plurality of service requirements. The radio communication...
5845208 Method for estimating received power and a receiver  
A receiver, and a method for estimating received power in a cellular radio system having in each cell at least one base station communicating with mobile stations within its coverage area. The...
5844898 Method of radio channel switching over in a mobile radio communications system  
A handover method for a mobile radio communications system, which reduces the disconnection time when the radio channel is switched from one radio base station to another radio base station. When...
5822701 High-speed radio communication system  
Centralized controlling apparatus controls overall flow of signals. Calling apparatus transmits a call signal in response to a call instruction signal transmitted from the centralized controlling...
5815812 Soft handoff system of spread spectrum communication  
The present invention provides a system for soft handoff, which processes in high speed. A system according to the present invention substantially realizes a multiplication by a circuit for...
5815811 Preemptive roaming in a cellular local area wireless network  
A communications network comprising a cellular local area wireless network includes a plurality of access points connected to a housed computer and each other, and a plurality of mobile units each...
5809430 Method and apparatus for base selection in a communication system  
A personal communication system (100) having power control provided by a radio port control unit (122), provides for portable radio controlled optimum base station selection. Multiple base stations...
5802477 Wireless telephone apparatus  
In a wireless telephone apparatus composed of a base station connected to a public switched telephone network and a personal station which can communicate by wireless with the base station, an area...
Matches 251 - 300 out of 372 < 1 2 3 4 5 6 7 8 >