Matches 451 - 500 out of 753 < 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >
Match Document Document Title
6647053 Method and system for channel masking in a communication network  
A method and a system for determining a channel mask in a network device in a microcellar network are provided. An exemplary embodiment uses a weighted average of the background noise on a channel...
6636735 Soft hand-off in cellular mobile communications networks  
In a cellular mobile communications network a mobile station is capable of receiving a downlink signal from each of a plurality of base stations and transmitting an uplink signal to the plurality...
6636495 Diversity transmission in a mobile radio system  
In a known diversity transmission method, two signals with different identifications are transmitted via two spaced antennas. To be able to apply the diversity principle to more than two antennas,...
6636493 Path division multiple access radio apparatus having directivity control based on received radio strength  
An adaptive array multiplies a radio signal received in four antennas by a received weight vector thereby separating a signal from each user. On the basis of the received signal and the received...
6633761 Enabling seamless user mobility in a short-range wireless networking environment  
The present invention provides methods, systems, and computer program instructions for enabling a variety of devices, particularly low-power hand-held devices, to travel seamlessly through a...
6633556 Mobile communications system and mobile communications method  
Even in a case where a using frequency differs for each region of a service area, a mobile direction of a mobile station M is determined by a mobile direction determination section 115 in a...
6631127 Apparatus and method for dynamically selecting an ARQ method  
A method 600 of selecting an ARQ method for retransmitting a data frame based on an accumulated signal to noise ratio (SNR) of systematic bits in the data frame at a receiving unit 508. The...
6631126 Wireless communications using circuit-oriented and packet-oriented frame selection/distribution functions  
In a wireless communications system having a centralized interworking function (IWF) and geographically distributed base stations, a packet-oriented frame selection/distribution (FSD) function...
6631122 Method and system for wireless QOS agent for all-IP network  
A wireless quality of service (QoS) agent for an all-Internet Protocol (IP) network. The QoS agent couples to an all-IP network. The coupling means includes communication means for transfer of...
6628637 Spread-spectrum carrier transmission power control in wireless telecommunications systems  
A new call blocking threshold of one or more BTS forward links is adjusted to compensate for variation in traffic demand and, optionally, user mobility as well. Anticipated traffic demand from new...
6628632 Method and apparatus for permitting direct handoff between base stations in a wireless network  
A handoff method and apparatus are disclosed for use in a wireless communication network in which a primary base station servicing a call directly selects a handoff candidate base station based in...
6625467 Method and apparatus for performing idle mode reacquisition and handoff in an asynchronous communication system  
Techniques to efficiently process paging channels in an asynchronous wireless communication system. In one aspect, if the base stations are not synchronized with each other and a remote terminal's...
6625135 Method and apparatus for incorporating environmental information for mobile communications  
An apparatus and method for communicating between a first communication node and a second communication node in an area having a plurality of communication nodes is disclosed which comprises...
6625132 Idle intersystem roaming determination and system reselection in a CDMA wireless communication system  
A wireless communication system and a mobile station employ at least one threshold to evaluate the quality of transmissions from a serving base station to determine when the mobile station enters a...
6618598 Forward rate determination of high data rate channels in CDMA air interface  
A method for determining the initial power to be allocated to a secondary channel having a desired data rate. An SNR setpoint is first calculated where such setpoint is based on the SNR setpoint of...
6614769 Communications unit for seamless handover between networks and method of use therefor  
A communications unit determines that a wireless link between itself and a first communications network has degraded beyond acceptable limits (FIG. 2, 200 ). The communications unit signals a...
6611508 Wireless communication method and apparatus with power-control channel  
A wireless communication apparatus in a wireless communication system transmits power-control information on a power-control channel, separate from the traffic channels of the wireless...
6611506 Enhanced channel allocation among multiple carriers in a spread spectrum communications system  
A method for allocating traffic between multiple carriers in a wireless communications system measures loading on the communication system and selects an appropriate carrier from multiple carriers,...
6608823 CDMA mobile communication system and service area  
A base station BTS 1 includes a mobile station-directing measuring/comparing section 171 for selectively outputting a hand-over request signal on the basis of data indicative of the received...
6606499 Dynamic channel allocation method in a cellular radiocommunication network  
For each base station of the network, each physical channel processed by the dynamic channel allocation (DCA) method is associated with a respective priority index computed from radio parameters...
6606497 Soft hand-off in cellular mobile communications networks  
In a cellular mobile communications network a mobile station is capable of receiving a downlink signal from each of a plurality of base stations and transmitting an uplink signal to the plurality...
6603971 Soft hand-off in cellular mobile communications networks  
In a cellular mobile communications network a mobile station is capable of receiving a downlink signal from each of a plurality of base stations and transmitting an uplink signal to the plurality...
6600924 Cell handover method and cellular radio system  
A cell handover method and cellular radio system includes at least one indoor subscriber terminal ( 100 ) and cells ( 31 to 38 ) with operating area of each being confined to the interior of a...
6597705 Method and apparatus for distributed optimal reverse link scheduling of resources, such as a rate and power in a wireless communication system  
A method, and corresponding apparatus, applies to individual base stations in a wireless communications systems, where each base station performs rate assignment to mobile stations optimally, but...
6594243 Methods and apparatus for enhanced soft handoff in a CDMA wireless communication system  
Soft handoffs in an IS-95 CDMA system or other wireless communication system are controlled using an enhanced set of soft handoff parameters which allow the system to adapt more readily to changing...
6591110 Method of detecting and calculating external jammer signal power in communication systems  
A method for detecting and calculating the contribution by external jammer signals to the total power received by a reverse link of a communication system. The total received power for a reverse...
6590881 Method and apparatus for providing wireless communication system synchronization  
When insufficient traffic is present in the network to maintain synchronization in this manner, other methods must be used. One approach involves making direct measurements of the timing between...
6590875 Radio data communication technique for maintaining a connection between a mobile radio transmission device and a server during a communication interruption  
In data communication utilizing a radio transmission channel, even in a case where the radio channel is disconnected and a data communication blackout occurs, the center side continues data...
6587447 Method and system for performing outer loop power control in discontinuous transmission mode  
A method for controlling unnecessary power increases and call drop during discontinuous transmission (DTX) mode of a frame-based transmission system. The method comprises the steps of (1)...
6587446 Handoff in a wireless communication system  
A mobile station transmits a plurality of channels including a pilot channel and at least one information channel. In the exemplary embodiment, the base station determines the adequacy of the...
6584315 Method of allocating frame offset and link in base station  
A method of allocating frame offset and link in a base station in which performance of digital telecommunications system is enhanced by allocating a resource in such a manner that loads of the link...
6584115 Multiuser interference canceler for DS-CDMA system  
A multiuser interference canceler which is used in a DS-CDMA (direct sequence-code division multiple access) communication system and is capable of preventing reception quality from being degraded....
6580700 Data rate algorithms for use in wireless local area networks  
A communications network comprising a wireless local area network includes a plurality of access points connected to a host computer and each other, and a plurality of mobile units with each mobile...
6574203 Methods and apparatus for inter-frequency handoff in a wireless communication system  
Inter-frequency handoffs in a CDMA or other wireless communication system are controlled using a noise-limited coverage trigger metric which is able to distinguish between same-frequency cell...
6571104 Power control with effective Eb/N0  
A method and apparatus to quickly adjust a targeted E b /N 0 in a wireless communication system by using an effective E b /N 0 for each frame. The E b /N 0 distribution of a frame produces a...
6571097 Adaptive antenna directivity control method and system therefor  
An adaptive antenna directivity control method and a system therefor is capable of reducing interference in an up-link and/or a down-link upon initiation of handoff to improve communication quality...
6570861 Method and apparatus for assigning use of a radio frequency communication resource  
A radio communication system assigns use of a radio frequency communication resource comprising multiple communication channels in a way that minimizes the likelihood that a weakly received signal...
6567666 Forward link inter-generation soft handoff between 2G and 3G CDMA systems  
In a CDMA cellular radiotelephone system, a soft handoff (SHO) is performed when a mobile station communicates with a new inter-generation base station, without interrupting communications with the...
6564067 Method for setting a transmission quality target value for power control in a mobile radiocommunication system  
A method for setting a transmission quality target value for power control in a mobile radiocommunication system, a method wherein: an offset is applied in an anticipated way to said transmission...
6556829 Mobile communications system  
A base station, as is conventional, directs mobile stations within its cell to make measurements on channels used by neighbouring cells. The base station also directs the mobile stations to make...
6556554 Device and method for communicating power control signals in mobile communication system  
A power control device for a mobile communication system includes a base station transmitter and a mobile station receiver, wherein the base station transmitter includes: a plurality of PCB pattern...
6556552 Signal strength measurement method and device  
In CDMA mobile communication systems, there are cases in which communications are interrupted with the local base station while the mobile station is searching for channels other than the...
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...
6553016 Downlink power control at soft handover  
Method and apparatus are described for controlling base station transmit power (downlink) to a mobile station during soft diversity handover. The present invention adjusts downlink power of the...
6549525 High data rate CDMA wireless communication system  
A novel and improved method and apparatus for high rate CDMA wireless communication is described. A set of individually gain adjusted subscriber channels are formed via the use of a set of...
6546252 System and method for estimating interfrequency measurements used for radio network function  
Systems and methods for estimating inter-frequency measurements used for radio network functions are disclosed. The systems and methods described allow systems to evaluate the quality of a second...
6542743 Method and apparatus for reducing pilot search times utilizing mobile station location information  
A method and apparatus for conducting a pilot signal search in a wireless communications network. The location of a mobile is determined within the network. This location is then used in...
6542742 Cell selection in mobile radio systems  
The present invention relates generally to the problem of cell selection, for e.g. cell handover, in mobile telecommunication systems, and more particularly to the problem of selecting the optimum...
6542483 Method and an apparatus for Eb/Nt estimation for forward power control in spread spectrum communications systems  
A spread spectrum communications CDMA system ( 10 ) in which power control mitigates received signal fluctuations due to Rayleigh fading and hence achieve optimal system ( 10 ) capacity. The method...
6539236 Establishment of a connection between a base station and a mobile station using random access channels  
A connection establishment method for establishing a random access type connection using a random access channel, which is used in a radio system having several subscriber terminal equipments ( 37 ...
Matches 451 - 500 out of 753 < 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >