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Patent # Description
US-6,993,339 Resource allocation in cellular systems
In the present invention, in a cellular communication system using frames (20) of communication resources in time and/or frequency domain, the communication...
US-6,993,338 Code combining soft handoff method
A code combining soft handoff method is disclosed. A mobile terminal measures a strength of respective pilot signals received from a plurality of base stations....
US-6,993,337 Velocity based scheduling in cellular systems
The method for maximizing data throughput for cellular communications is disclosed. The invention is based upon the fact that each base station of a cell has a...
US-6,993,336 Roaming indicators for multi-mode wireless communication devices
A method (400) and a multi-mode wireless communication device (700) for identifying a preferred system. The multi-mode wireless communication device (700)...
US-6,993,335 Apparatus and method for mobile/IP handoff between a plurality of access technologies
An apparatus and method for performing Mobile/IP handoff between different access technologies. Associated with each access technology are two thresholds, a Low...
US-6,993,334 Idle handoff with neighbor list channel replacement
Techniques for avoiding handoff to a channel impaired due to frequency dependent fading, while minimizing idle mode signaling are disclosed. In one aspect, an...
US-6,993,333 Methods and apparatus of improving inter-sector and/or inter-cell handoffs in a multi-carrier wireless...
A wireless communications system, e.g., an OFDM system, uses a plurality of carrier frequencies each with an associated frequency band. A base station sector...
US-6,993,332 Method of performing handover by using different handover parameters for different traffic and user classes in...
The present invention relates to a method for performing handover in a communication network, wherein communication with a subscriber terminal (UE) having...
US-6,993,331 Mobile telecommunications system that is robust with respect to radio network controller failures
The present invention relates to a UMTS (Universal Mobile Telephone System) type system of mobile radio telecommunications that is robust with respect to radio...
US-6,993,330 Method and apparatus for remotely performing tasks in a wireless personal digital assistant
A method and apparatus for remotely performing tasks in a wireless personal digital assistant (PDA) by a user is provided. A user can perform tasks, such as,...
US-6,993,329 Apparatus and method for automatically switching communication/communication suppression mode of wireless...
An apparatus and method for automatically switching communication/communication suppression mode of a wireless communication terminal is disclosed. The apparatus...
US-6,993,328 Method for over the air mobile station management
The invention provides a system and method for managing a mobile station wirelessly. The control software includes a dynamic agent operating program and a group...
US-6,993,327 Multicast distribution of presence information for an instant messaging system
The present invention is a system, method and network (110) for multicast distribution of presence information to a plurality of communication devices (102, 104,...
US-6,993,326 System and method for providing short message targeted advertisements over a wireless communications network
A method and system for providing targeted advertisement information to consumers over a wireless communications network. In one embodiment, local advertisers...
US-6,993,325 Method for facilitating electronic communications
A communication method allows members of an affinity group to obtain up-to-date information concerning the status of other members of the affinity group. Each...
US-6,993,324 Systems and methods for audio reminder messages
Systems and methods use mobile telephones as input devices for recording audio messages on a server. A user inputs a first feature code into the mobile telephone...
US-6,993,323 Wireless communication processing system, wireless communication processing device, and wireless communication...
A wireless communication processing system for performing wireless communication processing operation between a plurality of apparatuses includes a first...
US-6,993,322 Means and method for preventing unauthorized use of a mobile phone
A locking system and method automatically lock a mobile phone in a manner that significantly reduces or eliminates unauthorized use of a mobile phone. The system...
US-6,993,321 Wireless telephone system with mobile instruments for outgoing calls
A telecommunication system incorporates individual station instruments simplified by wireless operation, voice dialing, prepaid accounting and out-call...
US-6,993,320 Method and device for accessing a telecommunications network and for billing telecommunication services
The invention relates to a method and a device for accessing a telecommunication network and for billing telecommunication services, whereby there are presented...
US-6,993,319 Proximity-based mobile telephone billing intervention
A method, computer program product, and data processing system for allowing a third party to assume a mobile telephone user's airtime and other charges when the...
US-6,993,318 System and method for network assisted calibration in a wireless network
In one embodiment, the present invention is a method and system for calibrating a wireless network including a Mobile Switching Center (MSC), and a Position...
US-6,993,317 Method and system for signal repeating in powerline communications
A method and system for enhancing communication signals in a power-line communications system, which uses high-voltage or medium-voltage power lines as a...
US-6,993,316 Method and apparatus for backup power in a communication system
A digital receiver unit (28) having a backup energy source (214) for use in a vehicle (250) that operates on a primary energy source (216) includes a receiver...
US-6,993,315 Super-regenerative microwave detector
A resonant tunneling diode or diode array oscillator (10) including a resonant diode (11) is coupled to a millimeter-wave source (14) and a quench generator (16)...
US-6,993,314 Apparatus for generating multiple radio frequencies in communication circuitry and associated methods
A radio-frequency (RF) apparatus capable of transmitting RF signals includes transmitter path circuitry. The transmitter path circuitry includes a...
US-6,993,313 Integrated structure of inductances with shared values on a semiconductor substrate
An integrated circuit including a structure of inductances on a semiconductor substrate, intended for operating at frequencies greater than several hundreds of...
US-6,993,312 Double balanced diode mixer with high output third order intercept point
A double balanced mixer consisting of an RF balun, a local oscillator balun and a diode "quad" bridge circuit connected between the two baluns and where the IF...
US-6,993,311 Radio receiver having an adaptive equalizer and method therefor
A radio receiver (100) has an equalizer (500) that operates in the time domain to remove residual interference that is not removed by an IF filter (200)...
US-6,993,310 Current driven polyphase filters and method of operation
A filter circuit includes a polyphase filter coupled to a first circuit component and a second circuit component. The first circuit component propagates four...
US-6,993,309 Noise removal apparatus and an FM receiver
A noise removal unit mounted on a car radio according to the invention removes multipath noise and pulse noise from FM demodulated signals. At this time, the...
US-6,993,308 Radio receiving device and radio receiving method
A likelihood calculating section 205 calculates a likelihood of a data portion signal and outputs a weighting coefficient according to the likelihood to a...
US-6,993,307 Method and apparatus for operating a PLL with a phase detector/sample hold circuit for synthesizing...
A method and apparatus for synthesizing high-frequency signals, such as wireless communication signals, includes a phase-locked loop (PLL) frequency synthesizer...
US-6,993,306 Determination and processing for fractional-N programming values
Determination and processing for fractional-N programming values. The present invention is operable to receive a clock signal (CLK) and to transform that CLK...
US-6,993,305 AM receiver with audio filtering means
An AM receiver includes an audio filter that is configured to selectively narrow the audio bandwidth of the demodulated signal when a signal with a low...
US-6,993,304 Signal-input status display device for multi-band receiver
An MCU 30 of a multi-band receiver detects signal input levels from level detection circuits 18 and 18' of receiver circuits 4a and 4b, respectively, and thereby...
US-6,993,303 Radio frequency signal attenuation circuitry and gain controlling unit
The present invention avoids distortion in a radio frequency device due to a received RF signal which has a voltage strength that is too high. The invention...
US-6,993,302 Class-L power-output amplifier
A radio power output amplifier comprises a balanced radio power output that differentially drives a dipole antenna or other balanced load. One half of the...
US-6,993,301 Lineariser for a signal handling apparatus
A lineariser (100) for reproducing distortion present in the output of an amplifier (110) (or other signal handling device) generates a predistortion signal from...
US-6,993,300 Accurate gain direct modulation (KMOD) using a dual-loop PLL
The present invention provides a baseband RF clock synthesizer having particular use in a BLUETOOTH piconet device, which has the capability of providing simple...
US-6,993,299 Efficiency of power amplifiers in devices using transmit beamforming
Systems and methods for optimizing the efficiency of each of a plurality of power amplifiers that amplify a corresponding one of a plurality of radio frequency...
US-6,993,298 Programmable controller with RF wireless interface
A programmable logic controller has a wireless communication interface. A radio frequency identification chip set is mounted to, and is in communication with,...
US-6,993,297 Apparatus and methods for tuning antenna impedance using transmitter and receiver parameters
According to some embodiments of the present invention, an impedance transformation circuit is provided for use with a transmitter, a receiver, and an antenna....
US-6,993,296 Multimode background scans of different communication systems on similar frequencies
A method for increase receiver efficiency in a multimode communication device includes a first step of monitoring a received signal strength of a neighboring...
US-6,993,295 Weaver image reject mixer with fine resolution frequency step size
Methods and apparatus, in accordance with the present invention, use at least two phase-locked loop based frequency synthesizers to provide a synthesized...
US-6,993,294 Mobile communication system, communication control method, base station and mobile station to be used in the same
A HSDPA type mobile communication system includes a base station and a mobile station. The base station sets the uplink control channel with the mobile station...
US-6,993,293 Method of predicting wireless signal power
The invention provides a method of predicting the power of a received wireless signal (e.g. as received by a mobile device), the method having the steps of:...
US-6,993,292 Self-monitoring radio network
A scheme of identifying nonfunctional two-way radios from among a known group of two-way radios expected to be operating within a region may include establishing...
US-6,993,291 Method and apparatus for continuously controlling the dynamic range from an analog-to-digital converter
A method for continuously determining the required dynamic range for an analog-to-digital converter by determining the received signal strength and using this...
US-6,993,290 Portable personal radio system and method
An information handling system includes a content database for storing content, a receiver for receiving information relating to a subscriber personal profile...
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