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7372852 Integrated circuit capable of balancing switch transitions  
A method according to one embodiment may include controlling, by an integrated circuit, a first plurality of switches to generate a first output signal having a first amplitude and a second amplitu...
7372835 Handoff system and method of dual mode mobile for connecting mobile communication system and wireless network  
An active handoff system and method of a dual mode terminal capable of connecting to a wireless network, such as wireless local area network (LAN), and a mobile communication system are provided. T...
7369521 Power control during retransmission  
The present invention relates to a method and a device for controlling power in a network transmitted from a first station to a second station. The second station determines a power target value fo...
7369510 Wireless LAN using RSSI and BER parameters for transmission rate adaptation  
Dynamic conditions present in a channel can quickly degrade signal quality, thereby reducing the data rate usable by a WLAN transmitter. For maximum throughput, the highest, reliable data rate avai...
7362728 Handover control apparatus, relay router, gateway apparatus, access router base station, mobile communication system, and handover control method  
A mobile communication system 100 according to the present invention comprises handover control apparatus 1 and radio terminal unit 10 . The handover control apparatus 1 controls handover of...
7362726 Support of guaranteed bit-rate traffic for uplink transmissions  
The invention relates to a method for providing measurements on a bit-rate provided to scheduled data having a guaranteed bit-rate and being transmitted on at least one dedicated uplink data channe...
7359352 Apparatus and method for processing data call in private wireless high-speed data system  
An apparatus and method for processing a data call in a private EV-DO wireless network system construct a data location register (DLR) and AN_AAA, which are essential to an EV-DO wireless network c...
7353030 Systems and methods for handovers between base radios  
A system and method for reducing power consumption and interference in a communications system that has multiple base radios. A base radio controller assigns priorities to the base radios in the sy...
7352720 System and method to determine a bit error probability of received communications within a cellular wireless network  
RF communications received by a wireless terminal from a servicing base station are used to determine the BEP. These RF communications may be in the form of RF bursts that are part of a data frame....
7349713 Data communication apparatus and data communication method  
A type-2 hybrid ARQ data communication device having an improved quality of transmitted data while an increase of power consumption is avoided. The communication device transmits the same informati...
7349374 Uplink transmission power control in wireless communication system  
A method of controlling uplink transmission of a user equipment in a soft handover mode in a wireless communication system comprises communicating with a first network and a second network, at a fi...
7349373 Apparatus and method for determining soft or softer handoff in mobile communication system  
Apparatus and method for determining soft or softer handoff are described. The present invention includes the steps of comparing sectors in an active set to set values corresponding to the soft or ...
7340269 Uplink transmission power control method  
Disclosed is an uplink transmission power control method, by which a transmission power of an uplink signal is efficiently controlled while a terminal communicates with a plurality of base stations...
7340257 Maximum likelihood estimation of the channel coefficients and of the DC offset in a digital baseband signal of a radio receiver using the SAGE algorithm  
The proposed iterative method concurrently calculates maximum likelihood estimated values for the channel coefficients (h 0 , . . . , h L ; θ h ) and the DC offset (d; θ d ) on the basis of a tra...
7317702 Method and apparatus for enhancing performance of channel quality indicator (CQI) channel in wireless communications system  
The channel quality indicator (CQI) transmitted by a mobile terminal to a base station is indicative of the E c /N t pilot SNR of the pilot signal transmitted by the base station and measured by t...
7315748 Method of informing uplink synchronization using downlink TPC bit patterns  
A method of informing a terminal of uplink synchronization acquisition in a mobile communication system by using downlink transmit power control (TPC) bits. The base station modifies and transmits ...
7302263 Handover in a mobile communication system  
A method and apparatus for handing over a radio signal to a mobile device from at least two base stations. The mobile device will only qualify a radio signal, if it is above a predetermined thresho...
7298717 Method and apparatus for providing transmit diversity with adaptive basis  
A method and apparatus are provided that uses the feedback information from an ARQ signal that is received to control the transmit diversity of a transmitter. The method provides for improved perfo...
7295538 Radio transmission device and transmission rate decision method  
A base station apparatus (radio transmission apparatus) transmits a radio signal of data to a mobile terminal apparatus (communication apparatus of a transmission destination). The mobile terminal ...
7292552 Method and apparatus for reducing interference in a wireless communication system  
Method and apparatus for reducing interference in a wireless communication system when the source of interference is a deterministic component of the system. In one embodiment, the receiver weights...
7289473 Pilot reference transmission for a wireless communication system  
A pilot reference transmission scheme well suited for high data rate wireless communication systems is disclosed. To maximize the amount of interference from transmissions from neighboring transmis...
7286826 Method for providing a multicast service using a carrier-to-interference ratio in a hierarchical cell structure  
A method for providing a multicast service from a macrocell or a microcell to a mobile station in a mobile communication system having a hierarchical cell structure in which a given area is divided...
7283825 Signaling connection admission control in a wireless network  
A method for admission control of control plane signaling requests includes receiving a signaling request. Upon receipt of the signaling connection request, a first determination is performed to de...
7283498 Method and apparatus for allocating a pilot carrier adaptively in an orthogonal frequency division multiple access system  
A method and apparatus for allocating pilot carriers adaptively in an OFDMA communication system are disclosed. To improve phase error estimation performance and optimize the number of pilot carrie...
7280514 Wireless network having joint power and data rate adaptation  
A wireless network includes transmission power and data rate adaptation based upon signal quality experienced by the user.
7280506 Apparatus for controlling multi-mode radio access and method for the same  
A method and apparatus for controlling multi-mode radio access, more particularly, to a method and apparatus that supports multi-mode reconfigurable, quality of service (QoS) and seamless handoff i...
7274935 Method and base station controller for handover of simultaneous voice and data sessions  
A method and base station controller (BSC) in a GPRS/EDGE cellular radio telecommunication system for controlling a handover of a mobile station (MS) conducting both a circuit-switched call and a p...
7260399 Method and system for asymmetric handoff of wireless communication sessions  
A method for handing off a wireless communication session between a first radio network and a second radio network. The method includes handing off the wireless communication session from the first...
7260398 Mobile communication system for performing hand-off based on communication resources in base stations  
Each mobile station is accommodated in a base station through a radio transmission path. A base station control device controls each base station. A mobile station is accommodated in a first base s...
7251225 Signal splitting method for limiting peak power in a CDMA system  
The invention is a method for limiting the peak transmit power in a CDMA communication system. At least one of first and second high transmit power regions are separated into a plurality of high tr...
7236786 Method and system for providing fast handoff in a WLAN-like communication system using active neighboring sets  
Methods and systems for providing fast handoff in WLAN-like communications system construct a caching candidate set based upon a weighted handoff tendency coefficient. The weighted handoff tendency...
7236477 Method for performing authenticated handover in a wireless local area network  
A wireless local area network system ( 100 ) supporting mobile radio telephony reduces the time to complete an authenticated handover from one access point ( 104 ) to another ( 108 ) by a mobile st...
7233800 Wireless terminal location using apparatus and methods employing carrier diversity  
Wireless terminals, e.g., mobile nodes, receive, identify, and measure broadcast signals from a plurality of cells. They determine relative transmission power relationships corresponding to the rec...
7215962 Method for an intersystem connection handover  
Intersystem connection handover is based on transmission quality of a first radio communication system to a base station as determined by a subscriber station. If the transmission quality is lower ...
7209456 Method for determining power offset of HS-PDSCH in an asynchronous CDMA mobile communication system and signaling method therefor  
In an asynchronous CDMA mobile communication system supporting HSDPA (High Speed Downlink Packet Access), in order to assign power to a high speed physical downlink shared channel (HS-PDSCH), a pow...
7206840 Dynamic frequency selection scheme for IEEE 802.11 WLANs  
Disclosed is a method and system for dynamically selecting a communication channel between an access point (AP) and a plurality of stations (STAs) in an IEEE 802.11 wireless local area network (WLA...
7206577 Method and apparatus for receiving site selection diversity transmit (SSDT) signal in a wideband code division multiple access (WCDMA) system  
Disclosed is a UE and a method to operate the UE in the Site Selection Diversity Transmit mode. The method includes detecting a case where no base station is transmitting to the UE; inserting prede...
7200397 Method and system for determining availability of a radio network  
A mobile station communicating with a first radio network may detect that it has changed location and thereafter stopped moving. In response to determining that it has changed location and thereaft...
7200123 Method and apparatus for the power control system outer loop of a mobile communications system  
Method and apparatus for the power control system outer loop of a mobile communications systems in a cellular infrastructure that allows fulfilling a given Quality of Service (QoS) with the minimum...
7197308 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 networ...
7190688 Method and apparatus for adaptive setting of initial traffic power  
A method and apparatus that permits base stations to adaptively set initial power levels in forward link traffic channels (i.e., base station to mobile unit) based on an interference measure, where...
7181222 Radio configuration-based handoff parameter adjustment  
A method and apparatus facilitate soft handover in a CDMA RAN ( 100 ) based on a requested set of soft handover parameters from a plurality of sets of soft handover parameters associated with a cor...
7170866 Quality of service enhancements for wireless communications systems  
Various techniques ate present for enhancing the quality of service on wireless communications systems. These techniques determine when errors occur in transmitted frames, then apply Bit Error Rate...
7167683 Bad frame indicator for radio telephone receivers  
A method for identifying a bad GSM speed frame and simultaneously maintaining a frame erasure rate below a specified value. The method is based upon a joint use of four signal quality metrics: (1) ...
7167459 Inter-network handover in a packet radio system  
A method ( 400 ) and apparatus ( 501 ) facilitate a session handover between a first site and a second site. A wireless communication unit such as a mobile station ( 102 ), user equipment ( 202, 30...
7164916 Method for quality measurement in a mobile telecommunications system  
A method for operating a radio telecommunications system comprising a mobile station and one or more cell site units capable of communicating by radio with the mobile station on at least two commun...
7162246 Mobile telecommunications with multisector antennas  
In order to cover a mobile telecommunication zone, an access network node comprises a first multisector antenna to transmit and receive in several first main directions on one and the same first fi...
7143320 Increasing data throughput on a wireless local area network in the presence of intermittent interference  
A method for increasing data throughput on a wireless local area network in the presence of intermittent interference. The method of one embodiment comprises receiving a data packet through a wirel...
7142865 Transmit power control based on virtual decoding  
A wireless receiver, such as in a mobile station or base station within a wireless communication network, estimates the frame error rate (FER) for one channel using signal information received on a...
7127267 Enhanced forward link power control during soft hand-off  
A plurality of base station transceiver subsystems determine whether to scale the forward link transmission power level and, if so, by what amount to control forward link transmission power level m...

Matches 1 - 50 out of 201 1 2 3 4 5 >