Patents
Patents for H04B 1 - Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission (188,568)
09/2008
09/23/2008US7428428 Systems and methods for wireless network range extension
09/23/2008US7428425 Method and apparatus for providing biasing criteria for binary decisions for use in wireless communications to enhance protection
09/23/2008US7428421 Method and apparatus for congestion control in a wireless communication system
09/23/2008US7428408 Method for operating a smart antenna in a WLAN using medium access control information
09/23/2008US7428407 Amplitude modulator, in particular for mobile radio, and a method for modulation of a signal
09/23/2008US7428339 Pseudo-frames for MPEG-2 encoding
09/23/2008US7428308 Transmitting and reproducing stereophonic audio signals
09/23/2008US7428304 Method and apparatus for detecting subscriber alerting signal tones and customer premises equipment alerting signal tones to non-echo canceling modems
09/23/2008US7428281 System and method of removing discrete spurious signals in cable broadband and other RF environments
09/23/2008US7428280 Receiving apparatus and transceiver
09/23/2008US7428279 Reduced complexity sliding window based equalizer
09/23/2008US7428277 Method of determining an acquisition indicator bit in a communication system
09/23/2008US7428275 Integrated FEC decoding and iterative diversity reception
09/23/2008US7428263 Method for using a non-orthogonal pilot signal with data channel interference cancellation
09/23/2008US7428262 Channel estimation in a rake receiver of a CDMA communication system
09/23/2008US7428261 Cross-system interference cancellation for multicarrier CDMA and OFDM
09/23/2008US7428260 Unified MMSE equalization and multi-user detection approach for use in a CDMA system
09/23/2008US7428259 Efficient and flexible GPS receiver baseband architecture
09/23/2008US7428258 Method and apparatus for generating RF waveforms having aggregate energy with desired spectral characteristics
09/23/2008US7428230 Time-division-duplexing type power amplification module
09/23/2008US7428228 Method and apparatus for detecting active downlink channelization codes in a TD-CDMA mobile communication system
09/23/2008US7428225 Wireless communication system and wireless communication method
09/23/2008US7428213 Method and apparatus for determining network routing information based on shared risk link group information
09/23/2008US7427907 Boosted-bias tunable filter with dynamic calibration
09/23/2008US7427896 Device and method for predistorting and input signal
09/23/2008CA2483322C Error masking in a variable rate vocoder
09/23/2008CA2455704C System and method of estimating earliest arrival of cdma forward link signals
09/23/2008CA2452349C System and method for post filtering peak power reduction in multi-carrier communications systems
09/23/2008CA2425549C Adaptive power control for a spread-spectrum transmitter
09/23/2008CA2403929C Method for cell initial search in cdma mobile communication system
09/23/2008CA2365087C Automatic power control system for a code division multiple access (cdma) communications system
09/23/2008CA2342542C A filter unit and method for filtering with a prescribed real impulse constant and a data recording medium
09/23/2008CA2337862C Technique for reduction of awake time in a wireless communication device utilizing slotted paging
09/23/2008CA2258674C Gps receiver with efficient signal acquisition
09/18/2008WO2008112800A2 Wireless receiver with notch filter to reduce effects of transmit signal leakage
09/18/2008WO2008112689A1 A hand-held, portable electronic device with a retainer port for removably coupling an attachable wireless audiophone thereto
09/18/2008WO2008112601A1 Methods and apparatus to reduce power consumption in a wireless device
09/18/2008WO2008112573A1 Multiple radios communication device and a method thereof
09/18/2008WO2008112503A2 Mmse mud in 1x mobiles
09/18/2008WO2008112443A1 Method and apparatus providing scalability for channel change requests in a switched digital video system
09/18/2008WO2008112184A1 Mobile quick-keying device
09/18/2008WO2008111886A2 Imbalanced transmission combining at a radio base station
09/18/2008WO2008111739A1 A slim type slide opening and closing apparatus
09/18/2008WO2008111471A1 Ofdm modulated wave output device and distortion compensation method
09/18/2008WO2008111435A1 Radio tag, radio tag reader, pulse encoding key detection circuit, and radio tag system using them
09/18/2008WO2008111317A1 Radio transmission device and radio transmission method
09/18/2008WO2008111145A1 Radio communication device and radio communication method
09/18/2008WO2008110951A1 Method and electronic device
09/18/2008WO2008110396A1 Predistortion with asymmetric usage of available bandwidth
09/18/2008WO2008110169A1 A method and a device for detection of a first signal superimposed on a second signal
09/18/2008WO2008110015A1 Methods and apparatuses for suppressing interference
09/18/2008WO2008109990A1 A zonal uwb receiver and method
09/18/2008WO2008094169A3 Methods and systems for content definition sharing
09/18/2008WO2008086229A3 Symbol scaling with automatic gain control for wireless communication
09/18/2008WO2008085503A3 Powering cell phones and similar devices using rf energy harvesting
09/18/2008WO2008084165A3 Device and method for evaluating levels of exposure to electromagnetic fields induced by a mobile telecommunication terminal connected to a mobile radio network
09/18/2008WO2008054906A3 Power combining power supply system.
09/18/2008WO2007133521A3 System for transmitting two-way radio communications via computer networks
09/18/2008WO2007133474A3 Multiband radio with transmitter output power optimization
09/18/2008WO2007103857A3 Combined modulator and inverter
09/18/2008WO2007024888A3 Environmental monitoring using mobile devices and network information server
09/18/2008WO2005076831A3 Wireless communication method and apparatus for performing multi-user detection using reduced length channel impulse responses
09/18/2008US20080227503 Mobile communication device and method of controlling the same
09/18/2008US20080227502 Hand Portable Electronic Device Having a Plurality of Modes of Operation
09/18/2008US20080227500 Interactive entertainment, social networking, and advertising system
09/18/2008US20080227494 Method For Transmitting A Sound-Film Message From A Mobile Terminal To Any E-Mail Address
09/18/2008US20080227492 SIM Card Securing Mechanism for Mobile Phone
09/18/2008US20080227474 Base station synchronization
09/18/2008US20080227463 Determining location information
09/18/2008US20080227443 Retransmission in a Cellular Communication System
09/18/2008US20080227441 Systems and methods for a universal base station
09/18/2008US20080227425 Apparatus for implementing enhanced hand shake protocol in microelectronic communication systems
09/18/2008US20080227424 Methods and apparatus to perform radio frequency (RF) analog-to-digital conversion
09/18/2008US20080227423 Method to enable open loop antenna transmit diversity on channels having dedicated pilots
09/18/2008US20080227422 Apparatus and method for interference cancellation in multi-antenna system
09/18/2008US20080227421 Reducing Power Consumption In Receivers Employing Conversion To Intermediate Frequency
09/18/2008US20080227419 Retractable Cell Phone Clip
09/18/2008US20080227418 RF radio and method for monitoring multiple channels to acquire warning alert data
09/18/2008US20080227417 Method, apparatus and system for controlling a transmit diversity device
09/18/2008US20080227415 Method, apparatus and system for phase difference adjustment in transmit diversity
09/18/2008US20080227414 System, method and apparatus for transmit diversity control based on variations in propagation path
09/18/2008US20080227413 Imbalanced transmission combining at radio base station
09/18/2008US20080227412 Intelligent Scanning System and Method for Walkie-Talkie Devices
09/18/2008US20080227411 Wireless tractor-trailer communications
09/18/2008US20080227410 Bi-directional signal interface and apparatus using same
09/18/2008US20080227409 Wireless receiver with notch filter to reduce effects of transmit signal leakage
09/18/2008US20080227408 Apparatus and method for switching frequency band of antenna
09/18/2008US20080227407 Method and apparatus for automatically adjusting reminder volume on a mobile communication device
09/18/2008US20080227406 Method and apparatus for random access channel probe initialization using transmit diversity
09/18/2008US20080227405 Method, apparatus and system for providing transmit diversity feedback
09/18/2008US20080227404 Method, apparatus and system for providing feedback to a transmit diversity device
09/18/2008US20080227402 User Guidance System, Mobile Communication Terminal, and User Guidance Method
09/18/2008US20080227398 Method and apparatus for feedback overhead reduction in wireless communications
09/18/2008US20080227397 Group LMMSE Demodulation Using Noise and Interference Covariance Matrix for Reception on a Cellular Downlink
09/18/2008US20080227396 Communication system
09/18/2008US20080227389 Radio communication method, radio transmission apparatus and receiving apparatus
09/18/2008US20080226299 Optical transmission apparatus
09/18/2008US20080226099 Mixing system
09/18/2008US20080226097 Filter Circuit and Reproduction Device Using the Same
09/18/2008US20080226086 Audio Signal Processing System