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9025489 Method of configuring radio resource by a MAC layer of terminal in wireless communication system  
The present invention relates to a wireless communication system and user equipment providing wireless communication services, and a method of transmitting and receiving data between a terminal...
8706117 Methods and systems for proactively requesting neighbor base station information  
Certain embodiments of the present disclosure allow a mobile station (MS) to proactively request neighbor base station information from a serving base station, for example, if a mobile neighbor...
8666354 Distributed, diode mixer circuit  
A distributed, diode mixer circuit includes a plurality of passive diode mixer cores including at least first and second passive diode mixer cores including doubly-balanced diodes in symmetrical...
8630604 Communication methods and devices for dual-mode communication systems  
A method for wireless communication determines, for a client device having a first wireless connection with a first connection point, to initiate a second wireless connection between the client...
8583121 Mobile communication system, radio apparatus, and radio frequency change method  
A mobile communication system includes a first base station which defines a first cell and a second base station which defines a second cell. In this mobile communication system, when...
8346267 Method and system for controlling data distribution via cellular communications utilizing an integrated femtocell and set-top-box device  
Aspects of a method and system for controlling data distribution via cellular communications with an integrated femtocell and set-top-box (IFSTB) device are provided. In this regard, a cellular...
8305901 Method of generating a buffer status for a wireless communication system and related device  
A method of generating a buffer state of a packet data convergence protocol, hereinafter called PDCP, layer for a user equipment in a wireless communication system includes including volume...
8175604 Efficient rise over thermal (RoT) control during soft handover  
The invention relates to a method for communicating information relating to the scheduling of uplink data transmissions for a mobile terminal transmitting data on the uplink to a plurality of base...
8159377 System, method, and circuitry for blind timing mismatch estimation of interleaved analog-to-digital converters  
A timing skew estimation system is disclosed that includes a plurality of interleaved analog-to-digital converter circuits (ADCs), a timing mismatch estimation unit, and a correction unit. The...
8086210 Flow based layer 2 handover mechanism for mobile node with multi network interfaces  
A method for handing-off a mobile node (MN) from one network interface to another network interface, the network interfaces being connected to a same level 2 (L2) network. The method includes...
7965692 Systems and methods for mobile node handoff  
Systems and methods for handoff of a mobile node between first and second points of attachment are provided. A communication between a first and second mobile node is optimized and conducted...
7916050 Time-interleaved-dual channel ADC with mismatch compensation  
Previously, when designing receivers for radio frequency (RF) or wireless communications, designers chose between time-interleaved (TI) analog-to-digital converters (ADCs) for intermediate...
7903762 Multi-band TV tuner and method thereof  
A direct conversion multi-band TV tuner includes: a plurality of RF (radio frequency) paths for processing the RF signal and for generating a plurality of processed RF signals, respectively; and a...
7860455 Electronic communications system, apparatus and electrode layout method  
An electric field generated by another electric field communications apparatus reaches electric field sensor ES. Electric field sensor ES outputs an electric signal in response to the changes in...
7827313 Addressing method and method and apparatus for establishing host identity protocol (HIP) connections between legacy and HIP nodes  
A method is provided of at least partially securing communications, via a HIP proxy (16), between a first host (12) which is not HIP enabled and a second host (14) which is HIP enabled, the method...
7587224 Reconfigurable topology for receiver front ends  
The method and apparatus of the present invention provide for a configurable radio front end topology that allows selectable operation in a single balanced mode and in a double balanced mode of...
7376403 Terahertz radiation mixer  
A terahertz radiation mixer comprises a heterodyned field-effect transistor (FET) having a high electron mobility heterostructure that provides a gatable two-dimensional electron gas in the...
6317590 Mixer for a receiver  
A sub-harmonically pumped mixer has an anti-parallel diode pair switchable at twice the local oscillator frequency. Preferably, there are provided dual anti-parallel diode pairs. The local...
6205324 Broadband double-balanced frequency mixer  
The invention provides a broadband double-balanced mixer capable of operating across a range of frequencies from millimeter to microwave. The mixer includes a Wilkinson type splitter.
6192229 Diode mixer circuit  
In a diode mixer circuit MIX, a driving circuit DRIV produces a first, second, third and fourth drive signal DS1, DS2, DS3, DS4. Each drive signal is a combination of a first and a second input...
5974307 Method and system communicating with a voice response unit over a cellular telephone network  
This invention overcomes the disadvantages of the prior art by providing a voice response unit that communicates rapidly and directly with a metered cellular telephone network with minimum human...
5729197 Automatic, self-triggering alarm processing system and method  
Various embodiments of an automatic alarm and communications processing system/method are presented. The alarm processing system/method monitors at least one sensor unit which is designed to...
5600705 Method for call establishment  
The invention relates to methods for call establishment in a cellular radio system. In the inventive method, the visitor location register stores information (405) on whether the subscriber (CPP)...
5301223 Cellular telephone system with remote programming, voice responsive registration and real time billing  
Method and apparatus for use in a mobile telephone rental system in which credit card information is communicated between the mobile telephone unit 100 and a Voice Response System 302 for customer...
5282240 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Apparatus and method for directing calls to mobile station subscribers
 
The present invention provides a mobile communications system in which the home exchange of a mobile subscriber maintains information indicative of where the mobile subscriber might be found. Upon...
4878029 Complex digital sampling converter for demodulator  
A complex digital sampling converter, for use with an IF demodulator, includes: an analog-to-digital converter (ADC) receiving the IF analog signal for conversion to a digital data stream by...
4658440 Single balanced self-oscillating dual gate FET mixer  
A single balanced self-oscillating dual gate FET mixer includes two dual-gate FETs, a dielectric resonator, two transmission lines inductively coupled to the resonator and connected to the second...
4637070 UHF mixing circuit having π configured impedance converter  
In a UHF tuner having a diode mixer and a double-tuned circuit; a UHF tuner of good tuning characteristics comprising the fact that a π-type impedance converter portion consisting of capacitors is...
4340975 Microwave mixing circuit and a VHF-UHF tuner having the mixing circuit  
In a double superheterodyne tuner for receiving TV channel signals, a frequency in a range defined between 2520 and 2700 MHz is selected as the first intermediate frequency, while the first...
4317231 Microwave circuit for a parametric upper sideband down converter  
In a microwave circuit for a parametric upper sideband down converter with real image frequency termination conductance, including a pump circuit supplying a pump signal, a parallel circuit at its...
4287603 Radiated input mixer  
A radiated input mixer for converting a radio frequency (RF) signal into an intermediate frequency (IF) signal with the aid of a local oscillator (LO) signal includes, in combination, an antenna...
4270224 Microwave down converter  
The converter consists of a waveguide through which passes at right-angles a dielectric wafer for a microstrip. On each side of the waveguide this strip forms a microstrip line section. In the...
4249263 Mixer circuit  
A mixer circuit formed of a micro strip line for converting an input signal in SHF band into an intermediate frequency signal in UHF band is disclosed which includes an arch-shaped half-wavelength...
4245355 Microwave frequency converter  
A frequency converter, incorporating a subharmonic mixer and a YIG tuned local oscillator filter in an integrated circuit configuration, provides improved conversion efficiency and ease of...
4224572 Broadband doubly balanced mixer having improved termination insensitivity characteristics  
A diode modulator type electrical mixer network has at least two hybrids of transmission line construction, interconnected by means of two sets of four or more diodes arranged in bridge circuit...
4204168 Signal converter using a quad diode race  
A signal converter, and more particularly, a mixer includes a quad diode race or bridge having a first signal supplied to a first pair of input ports in a balanced state, and a second signal...
4163944 Compensation circuit for an electrical signal mixer  
The carrier suppression circuit of the present invention is utilized to minimize electrical imbalances within double-balanced mixers. The circuit operates upon a modulating signal, having at least...
4163232 Dual mode microwave mixer  
A four-port dual mode microwave mixer which operates without IF or RF switches and which provides both a passive mode of operation wherein the mixer operates as a lossy frequency translator when...
4158817 Microwave input circuit with parametric down converter  
A microwave input circuit including a parametric upper sideband down converter for receiving an input signal whose frequency is not much different from the intermediate frequency produced at the...
4152653 Integrated mixer arrangement  
A single balanced mixer for use with a superheterodyne receiver or the like comprises an integrated structure characterized by a pair of opposed capacitive plates, a first mixing diode connected...
4119914 Double balanced mixer using single ferrite core  
Disclosed is a double balanced mixer using a novel single ferrite core construction. The core includes two apertures and a transformer is wound through each aperture. The two transformers are...
4112374 Doubly balanced mixer with optimized dynamic range  
A circuit for mixing first and second rf signals to produce an output signal containing a beat frequency comprises a pair of switches each of which has a four diode bridge controlled by the first...
4104594 Modified A. M. detector  
Reduction of interference from off-frequency signals in an a.m. receiver is achieved by substituting an average detector for the conventional peak detector employed in such receivers. Conversely,...
4099126 Frequency converter apparatus  
A dual balanced mixer frequency converter is disclosed which provides a low conversion loss by reactively terminating one of the leads on a combiner circuit such that all the image frequency...
4079321 Dual diode high conversion efficiency signal mixer  
A signal mixer utilizing two oppositely poled diodes, coupled to provide parallel operation at high frequencies and series operation at intermediate and low frequencies. This arrangement reduces...
4063176 Broadband high frequency mixer  
A broadband mixer has two separate tapered ground plane microstrip baluns associated with a first signal port and two separate tapered ground plane microstrip baluns associated with a second...
4052785 Method of making a transformer assembly  
Disclosed is a double balanced mixer using a novel single ferrite core construction. The core includes two apertures and a transformer is wound through each aperture. The two transformers are...
4035732 High dynamic range receiver front end mixer requiring low local oscillator injection power  
An improved circuit utilized in an RF tuner or receiver for selecting and nverting an RF signal to an intermediate frequency with reduced injection power requirements.The circuit is utilized in...
4032850 Coaxial balun with doubly balanced heterodyne converter  
A coaxial line has a conductive surrounding shield connected from a first to a second point thereon. The outer conductor of the coaxial line shield is discontinuous at an intermediate point inside...
4006425 Dielectric image guide integrated mixer/detector circuit  
Disclosed is a dielectric image guide integrated circuit including first and second sections of image guide of preselected cross-sectional areas joined by an image guide transition section of...

Matches 1 - 50 out of 161 1 2 3 4 >