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| Number | Title | Issue Date |
| 7805167 | Telecommunications system, base station thereof and telecommunications method A wireless telecommunications system capable of transmitting desired information to a plurality of mobile stations efficiently is adapted to transmit the information to the plurality of mobile stations by forming a signal beam that covers these mobile stations simul... | 09/28/2010 |
| 7548731 | Method to reduce power consumption of static wireless beacons and cost of infrastructure The present invention provides for reducing power consumption of a positioning system having wireless beacons. A wireless transmitter static beacon is provided, which has a known position, signal strength, and range. A mobile device is positioned within the range of... | 06/16/2009 |
| 7499695 | Configurable all-digital coherent demodulator system for spread spectrum applications A configurable all-digital coherent demodulator system for spread spectrum digital communications is disclosed herein. The demodulator system includes an extended and long code demodulator (ELCD) coupled to a traffic channel demodulator (TCD) and a parameter estimat... | 03/03/2009 |
| 7463607 | Apparatus, system and method capable of pre-allocating and communicating IP address information during wireless communication An embodiment of the present invention provides a method of pre-allocating and communicating IP address information during wireless communication by an access point, comprising pre-caching by said AP a predetermined number of IP addresses from a backend Dynamic Host... | 12/09/2008 |
| 7460840 | Method of test characterization of an analog front end receiver in a communication system A multi-port transceiver includes a transmitter and receiver for each port. The invention is a test method and apparatus for testing individual components in the transmit and receive paths. Specifically, the invention includes a method of testing the full range of a... | 12/02/2008 |
| 7460836 | Method and system for providing adaptive probe requests A method of providing RF signal quality information which includes the step of a probe request generator (110) monitoring a channel for probe requests being transmitted by a station (115) and/or probe responses being transmitted by an access point (... | 12/02/2008 |
| 7460893 | Display changing in a portable electronic device A portable electronic device including a first section having a first display on a first side of the first section; and a second section pivotably connected to the first section. The second section includes a second display on a first side of the second section. The... | 12/02/2008 |
| 7460888 | Mobile terminal device protected against impact A display element, a holder and a substrate are stacked and housed in between a front case and a back case of a receiving section of a mobile terminal device. The front case has a rib, and the rib has a plurality of recesses shaped near four cases of the housed disp... | 12/02/2008 |
| 7457647 | Remote battery replacement notification system and method A remote battery replacement notification system (10) for a communication system includes a subscriber unit (12) having a battery (14). An operational support system (16) is in communication with the subscriber unit (12). The opera... | 11/25/2008 |
| 7457638 | Short message service encapsulation of supplementary service requests for IMS An apparatus in one example has: at least a first network of a first predetermined type and at least a second network of a predetermined type; at least one mobile terminal movable between the first and second networks; at least one gateway operatively coupled to eac... | 11/25/2008 |
| 7457637 | Noncontact recording medium reader/writer The object of the invention is to provide a noncontact IC card reader/writer integrated with an antenna that does not require the limitation of an installation location and the adjustment of a resonance frequency of the antenna, is convenient in installation, is pro... | 11/25/2008 |
| 7457595 | Power saving in a transmitter A transmitter comprises a power amplifier (PA) with a power supply input (PI) and an output (PAO) to supply a transmission signal (Vo) with an output power (Po). A power supply (PS) has power supply outputs (PSO1, PSO2) to supply a first power supply v... | 11/25/2008 |
| 7454190 | Receiver circuit for a receiving element A receiver circuit is disclosed which enables a reception signal fed into the receiver circuit by a reception element to be processed—e.g. amplified—with little to no errors. The receiver circuit has a cascode circuit on an input side, which cascode circuit gene... | 11/18/2008 |
| 7454174 | Estimation of received signal strength A method for estimating a size of reverse link resources provided by a base-station transceiver system (BTS), including performing respective first, second, and third measurements of first, second, and third signal strengths received at the BTS. The method also incl... | 11/18/2008 |
| 7454179 | Radio frequency power detector and decision circuit used with DC supply voltage controlled power amplifiers The present invention is an active RF power detector and decision circuit, which is used to provide a DC signal to circuitry that controls the DC supply voltage to an RF power amplifier. The DC signal is proportional to the amount of RF power detected within specifi... | 11/18/2008 |
| 7453912 | Methods and apparatus for selecting between multiple carriers based on signal energy measurements Carrier frequency selection and handoff initiation methods in wireless communications systems employing multiple carrier frequencies are described. Although the receiver is tuned to a single band, based on the relative energy of one or more beacon signal components ... | 11/18/2008 |
| 7454183 | Method and system for antenna selection diversity with dynamic gain control A method and system for antenna selection diversity with dynamic gain control. A receiver selects a starting antenna and dwells on it until an incoming signal is detected. An AGC is applied on the received signal and an estimate of the received power is determined f... | 11/18/2008 |
| 7454181 | Multi-antenna receive diversity control in wireless communications A mobile device comprises a receiver unit that has at least two receivers to implement multi-antenna receive diversity. A control unit estimates, at the mobile, an amount of utilization by a traffic channel of the mobile of total transmission power capacity at a bas... | 11/18/2008 |
| 7454186 | Direct conversion receiving apparatus and celluar phone The direct conversion receiving apparatus has a gain control amplifier for variably amplifying a base band signal based on a gain switching control signal. A high pass filter has a first circuit including capacitors connected in parallel that are inserted in a path ... | 11/18/2008 |
| 7454166 | System and method for providing recording and playback of digital media content A system and method for time-shifting a live broadcast, and facilitating the purchase of live or time-shifted broadcast content. The device records broadcast content being listened to by user, which gives the user the option to replay content. The device and method ... | 11/18/2008 |
| 7454189 | Calibration of received signal strength indication Calibration of received signal strength indication (RSSI) within a radio frequency integrated circuit (RFIC) begins by concurrently enables a transmitter portion and receiver portion. With both the transmitter and receiver enabled, the RFIC provides a zero input to ... | 11/18/2008 |
| 7450923 | Method and system for controlling carrier leakage in a direct conversion wireless device According to one embodiment of the invention, a system for controlling carrier leakage in a communications device is provided. The system includes a first mixer unit operable to receive a first signal, to convert the first signal into a second signal having a higher... | 11/11/2008 |
| 7450920 | Method and system for compensation of DC offset in an RF receiver Aspects of compensating for DC offset in an RF receiver may comprise sampling data from at least one of a plurality of output paths, selecting a sampled data and generating at least one feedback signal based on the selected sampled data. The generated feedback signa... | 11/11/2008 |
| 7450547 | Method for resuming header decompression in a multimedia broadcast/multicast service system Disclosed is a method for resuming header decompression by receiving multimedia broadcast/multicast service (MBMS) packet data having compressed headers in a mobile communication system providing the MBMS. The method includes the steps of detecting a moving of user ... | 11/11/2008 |
| 7450536 | Apparatus and method for generating and receiving traffic in a block spreading code division multiple access mobile communication system An apparatus and method for generating and receiving traffic in a code division multiple access mobile communication system using a block spreading scheme. The apparatus and method for generating and receiving traffic sequences in a code division multiple access mob... | 11/11/2008 |
| 7450958 | Method for displaying received signal strength bars in wireless terminal device Disclosed is a method for displaying signal strength bars in a wireless terminal device. In the first step, RSSI (Received Signal Strength Indicator) values of the wireless terminal device consecutively collected for a predetermined time T are analyzed, and C/I (Car... | 11/11/2008 |
| 7447526 | Power-saving method for wireless sensor network A power saving method of the present invention is provide for a wireless sensor network including a plurality of sensor nodes each transiting between a power saving mode and a transmit/receive mode, determines whether or not there is no transmit or receive data, ent... | 11/04/2008 |
| 7447491 | Multi-tuner integrated circuit architecture utilizing frequency isolated local oscillators and associated method Integrated multiple tuner architectures and associated methods are disclosed that utilize frequency isolated local oscillators (LO). These architectures utilize dividers and multipliers within the signal paths for the local oscillator mixing signals to reduce interf... | 11/04/2008 |
| 7447490 | In-situ gain calibration of radio frequency devices using thermal noise An apparatus for calibrating gain of an radio frequency receiver (“Rx”) is disclosed to provide, among other things, a structure for performing in-situ gain calibration of an RF integrated circuit over time and/or over temperature without removing the RF integra... | 11/04/2008 |
| 7447486 | Data transmission/reception system, mobile terminal, content server, radio base station device and method for data transmission/reception A data transmission/reception system for offering content download service through a wireless communication network, in which users can obtain desired content on demand from the beginning of content data, and the shortage of line capacity can be alleviated, thus ena... | 11/04/2008 |
| 7447180 | Wireless media access method The present invention is a wireless media access method on a wireless network synchronized by a synchronizing signal broadcasted from a coordinator. In the method, priority is assigned to a plurality of devices interconnected over the wireless network for securing w... | 11/04/2008 |
| 7444174 | Mobile wireless communications device with reduced interfering energy into audio circuit and related methods A mobile wireless communications device includes a housing and circuit board carried by the housing. RF circuitry and a processor are operative with each other and carried by the circuit board. A receiver speaker and microphone are carried by the housing. Audio circ... | 10/28/2008 |
| 7444166 | Wireless diversity receiver with shared receive path A low-cost diversity receiver includes two receiver units for a primary path and a secondary/diversity path. The first receiver unit is compliant with, for example, IS-98D requirements. The second receiver unit is not fully compliant with the IS-98D requirements (e.... | 10/28/2008 |
| 7444160 | Silent mode for mobile terminal push-to-talk A method for invoking a silent mode for a Push-to-talk technology (“PTT”) mobile terminals. When a mobile terminal user selects the silent mode option, the mobile terminal sends a message to a PTT server that maintains a PTT user accept list. This message instru... | 10/28/2008 |
| 7444127 | Methods and apparatus for selecting between multiple carriers using a receiver with multiple receiver chains Receivers accommodating frequency band selection methods in wireless communications systems are described. Different frequency bands are associated with different alternative carrier frequencies and/or base station cell and/or sector transmitter connection alternati... | 10/28/2008 |
| 7443813 | Method for reducing a false alarm probability for a notification for transmission of control information for an MBMS in a mobile communications system A notification method for informing a UE of an existence or absence of control information for an MBMS in a mobile communication system supporting the MBMS. In the method, the UE receives a notification indicator channel independently reporting the existence of the ... | 10/28/2008 |
| 7440738 | Automatic gain control with two power detectors A receiver (100) adjusts its overall gain based on the detected power level of an incoming signal. The receiver is built with two detectors (D1, D2) which operate with different detecting ranges within the dynamic range of the incoming signal. I... | 10/21/2008 |
| 7440736 | Intermediate frequency circuit for television tuner with improved intermediate frequency characteristic An intermediate frequency circuit includes an intermediate frequency tuning circuit which resonates parallel to an intermediate frequency signal, a N−1 channel trap circuit connected to the output of the intermediate frequency tuning circuit, for removing voice si... | 10/21/2008 |
| 7440735 | Virtual wireless transmitter A distributed control system has a plurality of distributed field devices, each of which contains a transducer and a wireless transceiver. The distributed control system includes a base station transceiver, a database and a virtual transmitter application in communi... | 10/21/2008 |
| 7437182 | Wireless communication method and apparatus using multiple antennas and multiple random beams The object of the present invention is to provide a wireless communication method and apparatus, which obtains both Multi-User Diversity (MUD) and Multi-User Multiplexing (MUM) effects simultaneously using multiple beams having random weights. In the wireless commun... | 10/14/2008 |
