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Match Document Document Title
US20090054014 Transmitter and Transmitting Method Thereof In Wireless Communication System  
A transmitter and a transmitting method of a wireless communication system are provided. The transmitter transmits RF signals using an outphasing scheme of converting one analog IF NC-EMS into two...
US20140018019 PHASED-ARRAY SMART ANTENNA AND METHODS FOR OPERATING THE PHASED-ARRAY SMART ANTENNA  
A phased-array smart antenna for transmitting an electronic wave signal having a wavelength includes a first antenna, a second antenna, and a third antenna. The first antenna, the second antenna,...
US20120196637 Uplink Transmit Diversity  
The present invention discloses a method in a wireless access network node for controlling a UE. The UE comprises at least two transmit antennas, and is capable of uplink transmit diversity. There...
US20150188616 FACILITATING SWITCHING BETWEEN TRANSMITTING ANTENNAS IN PORTABLE ELECTRONIC DEVICES  
The disclosed embodiments provide a system that uses a first antenna and a second antenna in a portable electronic device. During operation, the system receives a request to switch from the first...
US20070072559 Transmitter delay and phase adjustment  
A transmitter, including at least two transmitter units, each transmitter unit being configured to input an instance of a digital transmit signal, to convert the digital transmit signal to an...
US20130109333 METHOD AND SYSTEM FOR SWITCHED COMBINED DIVERSITY WITH A MODAL ANTENNA  
A system and method for diversity implementation are provided, where diversity gains are obtained by using a hybrid of the switching technique and the combining technique in conjunction with the...
US20110053527 UPLINK TRANSMIT DIVERSITY ENHANCEMENT  
A method for uplink transmit diversity enhancement is disclosed. A subset of two or more potential uplink transmission configurations are determined. A subset of potential uplink transmission...
US20100046412 REFERENCE SIGNAL STRUCTURES FOR MORE THAN FOUR ANTENNAS  
A transmitter, for use with a cellular communication network, includes a reference signal generation unit configured to provide a reference signal corresponding to a reference signal structure for...
US20110237208 HYBRID PHASE SWEEPING FOR MOBILE TRANSMIT DIVERSITY  
An improved method and apparatus for Mobile Transmit Diversity (MTD), or Uplink Transmit Diversity (ULTD) is disclosed. The mobile device either selects the best antenna at any given time, or...
US20090305710 Super Economical Broadcast System and Method  
A super economical broadcast system and method are provided. The system includes a plurality of base transceiver stations that define a plurality of respective cells, each base transceiver station...
US20110216754 TIME DELAY TRANSMIT DIVERSITY RADIOFREQUENCY DEVICE  
A Time-Delay Transmit Diversity (TDTD) RF device is described for use to enhance the transmit performance of wireless communications systems. Time delayed signals are added to diversity antennas...
US20100302991 SYSTEM AND PROCESS FOR TRANSMIT DIVERSITY IN SATELLITE PHONES  
An apparatus and method inexpensively implements spatial diversity in a wireless terminal for use in a satellite communication system. A single transmit chain is coupled to a plurality of antennas...
US20110143696 PUSCH TRANSMIT DELIVERY SCHEME SELECTION  
Certain aspects of the present disclosure relate to a method for uplink wireless communications. In one aspect, a diversity scheme may be selectively and adaptively applied to an uplink...
US20150244082 Lens Antenna, Method for Manufacturing and Using such an Antenna, and Antenna System  
The invention relates to a lens antenna. The invention also relates to an antenna system for transmitting and receiving electromagnetic signals comprising at least one antenna according to the...
US20130217341 HIGH EFFICIENCY PATH BASED POWER AMPLIFIER CIRCUITRY  
A first transmit path, a second transmit path, and a third transmit path are disclosed. The first transmit path includes a first radio frequency (RF) power amplifier (PA) and alpha switching...
US20090196245 VIRTUAL SCHEDULING IN HETEROGENEOUS NETWORKS  
Providing for virtual management of wireless resources in a mobile communication environment is described herein. By way of example, access terminals in the communication environment can maintain...
US20100093289 PHASE CALIBRATION FOR MULTIPLE TRANSMITTER SYSTEMS  
A method, wireless communication device, and a base station calibrate relative phase of a plurality of output signals from respectively combined plurality of transmitters (302, 204) in the...
US20100013625 Redundant Data Path System  
The present invention provides a redundant data path system for transmitting an alarm signal between a monitored facility and a destination facility, said system comprising: alarm signal receiving...
US20110051835 UPLINK MIMO TRANSMISSION FROM MOBILE COMMUNICATIONS DEVICES  
A method of uplink transmission from a mobile device having multiple antennas to a base station having multiple antennas includes transmitting in an open-loop single-user MIMO mode when the mobile...
US20140302804 Allocating transmit power among multiple air interfaces  
Systems and methods for allocating transmit power among multiple interfaces in a wireless communication system are disclosed. In one embodiment, the method comprises determining a first power...
US20070224949 Extended Smart Antenna System  
A communications device for receiving a propagating electromagnetic signal representing an information signal. The communications device comprises a first and a second radiator each comprising a...
US20150094003 SYSTEMS AND METHODS FOR TRANSMIT ANTENNA SWITCHING  
A method for antenna switching is described. The method includes transmitting using a first antenna. The method also includes determining that a trigger occurs to switch to transmitting using a...
US20110223870 Allocating Antennas for Cyclic Delay Diversity Transmission  
Methods and apparatus of allocating antennas for cyclic delay diversity (CDD) transmission are disclosed. One method includes estimating a transmission channel of a transceiver having a plurality...
US20050255888 Base station for a mobile telecommunications network employing diversity and method of operation  
A base station for a mobile telecommunications network employing diversity reception comprises a plurality of radios, each having a plurality of diversity paths. Instead of each of the radios...
US20120178388 Minimizing Mutual Coupling  
Disclosed herein are techniques, systems, and methods relating to minimizing mutual coupling between a first antenna and a second antenna. In one implementation, a plurality of antennas and at...
US20140199954 COMMUNICATION SYSTEM FOR SPATIALLY-ENCODED WIRELESS COMMUNICATIONS  
A method of spatially-encoded wireless transmission using a wireless communications device that is configured with an electromagnetic radiator involves applying a modulated carrier to one or more...
US20070123181 Antenna system for enabling diversity and MIMO  
An RF communication system (100) including a first antenna (110) having a first antenna element (112) and a second antenna element (114), and a second antenna (120) having a third antenna element...
US20060052065 Transmit diversity fo base stations  
A method and corresponding upgrade kit, for enhancing a base station (10) having a CDMA air interface and a passive antenna (12) with receive space diversity capability so as to provide the base...
US20060172710 Phase sweeping methods for transmit diversity and diversity combining in bts sector extension and in wireless repeaters  
Apparatus for inserting transmit diversity into an RF signal for transmission, comprises: an RF splitter for splitting the RF signal to be transmitted into two signal parts, and a non-linear phase...
US20150140941 SYSTEMS AND METHODS OF TRANSMITTER PROTECTION FOR WIRELESS COMMUNICATIONS  
Various embodiments provide for systems and methods for wireless communications that implement transmitter protection schemes using spatial combining. The protection scheme implemented by some...
US20090186585 Multi-mode wireless communication link  
A communication system includes first and second transmitters, which are coupled to transmit respective first and second Radio Frequency (RF) signals carrying first and second data over a wireless...
US20110159821 METHOD AND SYSTEM FOR IMPROVING WIRELESS LINK ROBUSTNESS USING SPATIAL DIVERSITY  
A system and method for using spatial diversity for improving link quality, particularly wireless link communication. A plurality of propagation paths are used simultaneously for a wireless link,...
US20080287075 TRANSPOSED STRUCTURE FOR CYCLIC DELAY DIVERSITY (CDD) BASED PRECODING  
Systems and methodologies are described that facilitate applying cyclic delay diversity (CDD) and precoding to wireless transmissions. In particular, data vectors to be transmitted to a number of...
US20050090207 Diversity reception tuner  
A diversity reception tuner of the invention has one first tuner and at least one tuner. The first tuner has a first PLL circuit and a first voltage-controlled oscillation circuit controlled by a...
US20050020216 Uplink macro diversity method  
The present invention relates to an uplink macro diversity method in a digital cellular mobile radio communication system, the method comprising the steps of: transmitting an information block...
US20090197546 MIMO TRANSMISSION WITH EXPLICIT AND IMPLICIT CYCLIC DELAYS  
Techniques for transmitting data using a combination of explicit cyclic delay and implicit cyclic delay are described. A transmitter may perform first processing for cyclic delay diversity (or...
US20070072560 Site diversity operating method and program  
In a site diversity operating method in which a channel is divided into a plurality of slots by time division multiple access, and voice and data are transmitted between controlling stations and...
US20080220730 MULTI-CHANNEL TRANSMITTER  
A radio transmission method and a radio transmitter device for radio transmission of an audio signal from an audio device to a radio receiver wherein an audio signal is received from the audio...
US20100248656 WIRELESS COMMUNICATION METHOD, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION APPARATUS  
A wireless communication method MIMO communication using a wireless communication apparatus having N antennas includes performing first inverse-matrix determining processing which determines,...
US20070135169 Feeder cable reduction  
The present invention facilitates the reduction of cabling required in a base station environment. When receive diversity is employed, main and diversity antennas are used to receive common...
US20140235184 World Band Radio Frequency Front End Module, System And Method Thereof  
The present disclosure relates to a World Band Radio Frequency Power Amplifier and a World Band Radio Frequency Front End Module. The World Band Power Amplifier can contain at least one broadband...
US20060292998 Wireless signal transmitter  
A wireless signal transmitter is disclosed as including a sensor for detecting signals signifying heart beat of an individual, rotation of a wheel of a bicycle or rotation of a pedal of a bicycle,...
US20100291884 ALLOCATING TRANSMIT POWER AMONG MULTIPLE AIR INTERFACES  
Systems and methods for allocating transmit power among multiple interfaces in a wireless communication system are disclosed. In one embodiment, the method comprises determining a first power...
US20090232245 MULTI-RESOLUTION BEAMFORMING BASED ON CODEBOOKS IN MIMO SYSTEMS  
Certain aspects of the present disclosure relate to methods for beamforming that achieve beamforming optimality criterions. Some proposed beamforming techniques are based on antenna directions...
US20110250855 WIRELESS TRANSMITTER  
A wireless transmitter that includes a phase rotating unit which adds phase rotation to signals which are respectively input to antennas and adds first phase rotation for controlling the maximum...
US20070082625 Transmitter and transmitting method in multiple transmitting antenna communication system  
A transmitter and a transmitting method for forming a pseudo common beam using a plurality of antennas in a smart antenna communication system are provided, in which beams for tones of Orthogonal...
US20100197248 ELECTRONIC DEVICE AND METHOD OF ENSURING GUARANTEED SERVICES  
A method for ensuring guaranteed services for real-time traffic on an interconnect with errors is provided. The real-time traffic comprises a first and second traffic class (HRT, SRT). Real-time...
US20100323637 METHOD AND APPARATUS FOR CONVEYING ANTENNA CONFIGURATION INFORMATION VIA MASKING  
A method, apparatus and computer program product are provided for conveying information regarding the antenna configuration and/or the transmission diversity scheme to a recipient, such as a...
US20120094622 ANTENNA DIVERSITY SYSTEM  
An antenna diversity system having a non-interrupt function is provided. The antenna diversity system includes: a plurality of antennas, a plurality of radio frequency (RF) circuits, and a signal...
US20070054632 Wireless Network Scheduling Data Frames Including Physical Layer Configuration  
A wireless network is disclosed in which individual wireless stations can be configured to implement any of a plurality of physical configurations including antenna configurations. Such antenna...

Matches 1 - 50 out of 337 1 2 3 4 5 6 7 >