Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
02/1997
02/26/1997CN1143867A Pseudo random noise sequence code generator and CDMA radio communication terminal
02/25/1997US5606742 Selectively called radio receiver with bit rate detection for battery at shorter than a frame period
02/25/1997US5606741 Digital automobile telephone having adjustable receiving period
02/25/1997US5606740 Time delay controlled switching for a DC/DC converter in a selective call device for reducing ripple
02/25/1997US5606733 Portable radio receiver
02/25/1997US5606727 Method and apparatus for adaptive channel assignment in a mobile communication system
02/25/1997US5606575 FFT-based channelizer and combiner employing residue-adder-implemented phase advance
02/25/1997US5606561 Method, device/microprocessor, and computer software for providing packet fragmentation for fair, efficient downlink transmission with low packet delay
02/25/1997US5606560 Between a base station and a portable device
02/25/1997US5606325 Detection object searching device
02/25/1997CA2183940A1 Personal communication device usable in two communication modes and personal telecommunication system including the device
02/25/1997CA2071552C Frequency and time slot synchronization using adaptive filtering
02/24/1997CA2183938A1 Data rate estimating device
02/24/1997CA2180058A1 Satellite beam steering reference using terrestrial beam steering terminals
02/20/1997WO1997006626A1 Wireless communications method utilizing control channels
02/20/1997WO1997006611A1 A wireless multi-cell radio telecommunication system
02/20/1997WO1997006609A1 Synchronization to pseudo random number sequence with sign ambiguity in communications systems
02/20/1997WO1997006605A1 Improved paging satellite link receiver having automatic signal acquisition
02/20/1997WO1997006577A1 Method and apparatus for increasing antenna efficiency for handheld mobile satellite communications terminal
02/20/1997WO1997006503A1 Process for controlling the access of a data station to mobile data carriers
02/20/1997WO1997002665A3 Automatic power control system for a code division multiple access (cdma) communications system
02/20/1997WO1996038938A3 Apparatus and method of controlling transmitting power and transmit rate of a wireless telecommunications system
02/20/1997DE19632841A1 Mehrortfunksystem, Basisstation und Verfahren zum Betrieb eines Funksystems Mehrortfunksystem, base station and method of operating a radio system
02/20/1997CA2228417A1 Wireless communications method utilizing control channels
02/19/1997EP0758823A2 Spread spectrum communication system
02/19/1997EP0758768A2 An apparatus and method of providing an extremely low-power self-awakening function to a processing unit of a communication system
02/19/1997EP0758505A1 Method and apparatus for mitigating interference produced by a communication unit in a communication system
02/19/1997EP0758504A1 A direct sequence cdma coherent uplink detector
02/19/1997CN1143443A Method of allocating frequency bands to different cells, and TDMA cellular radio systus
02/19/1997CN1143434A Data transmission method, data transmission system, and cellular radio system
02/19/1997CN1034097C Lost call detection display pager with repeat call discrimination capability
02/18/1997US5604920 Satellite cellular telephone and data communication system
02/18/1997US5604789 Method and system for providing a digital wireless local loop
02/18/1997US5604768 Frequency synchronized bidirectional radio system
02/18/1997US5604766 Transmission power control method of a spread-spectrum communication system, and a spread-spectrum communication system employing the control method
02/18/1997US5604745 TDMA mobile telephone apparatus
02/18/1997US5604744 Digital control channels having logical channels for multiple access radiocommunication
02/18/1997US5604733 Dynamic time slot alignment in a digital radio communication system
02/18/1997US5604732 Up-link access apparatus in direct sequence code division multiple access system
02/18/1997US5604730 Remote transmitter power control in a contention based multiple access system
02/18/1997US5604666 Outdoor communication device having disk-like mounting portion, units stacked on the mounting portion, and fixing members for fixing the units on the mounting portion
02/18/1997US5603515 Cylinder head sealing system with carrier plate and removable engine sealing gaskets
02/18/1997CA2183411A1 Dynamically reconfigurable communications network and method
02/18/1997CA2098578C Antenna pattern selection for optimized communications and avoidance of people
02/18/1997CA2085385C Charging device for a portable telephone
02/13/1997WO1997005722A2 Apparatus and method for synchronizing base sites individually in a communication system
02/13/1997WO1997005711A1 Self-interference cancellation for two-party relayed communication
02/13/1997WO1997005710A1 Spot beam location method and apparatus
02/13/1997WO1997005707A1 Process and device for reducing common channel interference in cellular jd-cdma radio systems
02/13/1997WO1997005704A1 Multi-channel transceiver having an adaptive antenna array and method
02/13/1997WO1997002714A3 Code division multiple access (cdma) communication system
02/13/1997CA2227700A1 Spot beam location method and apparatus
02/13/1997CA2227143A1 Self-interference cancellation for two-party relayed communication
02/12/1997EP0758168A1 Variable rate transmitting method, and transmitter and receiver using it
02/12/1997EP0757880A1 Phased array cellular base station and associated methods for enhanced power efficiency
02/12/1997EP0757879A1 Method and apparatus for rf linking to private branch exchange connecting local subscribers
02/12/1997EP0757864A1 Stock locator system using gps translator
02/12/1997EP0757863A1 Method for transmitting messages in multipath propagation using space and time diversity
02/12/1997EP0667068B1 Dual distributed antenna system
02/12/1997EP0502954B1 Satellite based global paging system
02/12/1997CN1142737A Method of indicating outer communication range in digital cordless telephone system
02/12/1997CN1142736A Advanced subscriber outage notification system and methods
02/12/1997CN1142715A Multiple communicating apparatus and method
02/12/1997CN1142711A Recceiver for extending dynamic range of received signal strength indicator for use in cellular communication system
02/12/1997CN1142695A Method and apparatus for increasing antenna efficiency for handheld mobile satellite communications terminal
02/11/1997US5603107 Switching system for diversity antenna FM receiver
02/11/1997US5603106 Adjustable transmission power control circuit
02/11/1997US5603102 Housing and portable integrated satellite communications system
02/11/1997US5603096 Reverse link, closed loop power control in a code division multiple access system
02/11/1997US5603095 Radio system and a subscriber terminal for a radio system
02/11/1997US5603091 Paging system with separate transmission paths for control and data
02/11/1997US5603087 Interference detection technique
02/11/1997US5603081 Method for communicating in a wireless communication system
02/11/1997US5603080 Radio coverage in closed environments
02/11/1997US5603079 Satellite-based messaging system transmitting during guard band of satellite-based telephone system and method of operation thereof
02/11/1997US5603077 Satellite system and method for remote control of a satellite signal receiver
02/11/1997US5602962 Mobile radio set comprising a speech processing arrangement
02/11/1997US5602874 Method and apparatus for reducing quantization noise
02/11/1997US5602869 Adaptive transmit levels for modems operating over cellular
02/11/1997US5602859 Start-stop synchronous communicating method capable of correcting improper synchronization and system using the same
02/11/1997US5602854 Wireless personal local area network utilizing removable radio frequency modules with digital interfaces and idle sense communication protocol
02/11/1997US5602838 Global multi-satellite network
02/11/1997US5602837 Multiplex system for a personal handy phone system
02/11/1997US5602836 Multiple access cellular communication with circular interleaving and reduced dropped-packet runlengths
02/11/1997US5602834 Linear coverage area antenna system for a CDMA communication system
02/11/1997US5602833 Method and apparatus for using Walsh shift keying in a spread spectrum communication system
02/11/1997US5602555 Base station antenna arrangement
02/11/1997US5602484 Delay-spread sensor and detection switching circuit using the same
02/11/1997CA2073929C Random access data communication system with slot assignment capability for contending users
02/06/1997WO1997004613A1 Cellular radio systems with repeater stations
02/06/1997WO1997004612A1 Wideband base station architecture for digital cellular communications system
02/06/1997WO1997004538A2 A wireless digital communication device, and a peak-detector
02/06/1997WO1997004536A1 Method and apparatus for spread-spectrum channel estimation
02/06/1997WO1997004532A1 Reducing power consumption in portable radiotelephone
02/06/1997WO1997004531A1 Low power data receiver combined with audio receiver
02/06/1997DE19528599A1 Verfahren zur Zugriffssteuerung von einer Datenstation auf mobile Datenträger A method for access control from a data station to mobile data carriers
02/06/1997CA2221742A1 Low power data receiver combined with audio receiver
02/05/1997EP0757462A2 Frequency offset correction for a data receiving system
02/05/1997EP0757456A2 Diversity receivers
02/05/1997EP0757453A2 A telecommunications system