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7433910 Method and apparatus for the parallel correlator and applications thereof  
A fast correlator transform (FCT) algorithm and methods and systems for implementing same, correlate an encoded data word (X 0 -X M−1 ) with encoding coefficients (C 0 -C M−1 ), wherein each of...
7424002 Resource allocation in a wireless network  
A data stream is transmitted between a base station and user terminal. A first resource that is available to transmit a page is selected at the base station and the page transmitted from the base...
7389100 Method and circuit for down-converting a signal  
Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal are described herein. Briefly stated, such methods, systems, and apparatuses operate...
7386292 Apparatus, system, and method for down-converting and up-converting electromagnetic signals  
Methods, systems, and apparatuses, for down-converting and up-converting an electromagnetic signal. In embodiments the invention operates by receiving an EM signal and recursively operating on...
7379883 Networking methods and systems  
A network system includes integrated radio transceivers and digitizers, integrated baseband processors and device controllers, digital interfaces there between, and architectures and partitions for...
7379515 Phased array antenna applications of universal frequency translation  
A universal frequency translation module (UFT) frequency translates an electromagnetic (EM) input signal by sampling the EM input signal according to a periodic control signal (also called an...
7376410 Methods and systems for down-converting a signal using a complementary transistor structure  
Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal are described herein. Briefly stated, such methods, systems, and apparatuses operate...
7321735 Optical down-converter using universal frequency translation technology  
A method and system for converting an optical signal to electrical information signals, including demodulated baseband information signals and modulated baseband signals at multiple harmonics. In...
7321640 Active polyphase inverter filter for quadrature signal generation  
A quadrature signal generator receives a differential input signal and generates quadrature output signals that are 90 degrees out-of-phase with each other. The quadrature generator includes a...
7308242 Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same  
Methods, systems, and apparatuses, and combinations and sub-combinations thereof, for down-converting and up-converting an electromagnetic (EM) signal are described herein. Briefly stated, in...
7295826 Integrated frequency translation and selectivity with gain control functionality, and applications thereof  
Methods and apparatuses for frequency selectivity and frequency translation, and applications for such methods and apparatuses, are described herein. The method includes steps of filtering an input...
7292835 Wireless and wired cable modem applications of universal frequency translation technology  
Frequency translation and applications of same are described herein, including cable modem applications. Such applications include, but are not limited to, frequency down-conversion, frequency...
7272164 Reducing DC offsets using spectral spreading  
Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal, and applications thereof are described herein. Reducing or eliminating DC offset...
7245886 Method and system for frequency up-conversion with modulation embodiments  
A method and system is described wherein an information signals is gated at a frequency that is a sub-harmonic of the frequency of the desired output signal. In the modulation embodiments, the...
7236754 Method and system for frequency up-conversion  
A method and system is described wherein a signal with a lower frequency is up-converted to a higher frequency. In one embodiment, the higher frequency signal is used as a stable frequency and...
7233969 Method and apparatus for a parallel correlator and applications thereof  
A fast correlator transform (FCT) algorithm and methods and systems for implementing same, correlate an encoded data word (X 0 –X M− ) with encoding coefficients (C 0 –C M−1 ), wherein each...
7227855 Resource allocation in a wireless network  
A data stream is transmitted between a base station and user terminal. A first resource that is available to transmit a page is selected at the base station and the page transmitted from the base...
7224749 Method and apparatus for reducing re-radiation using techniques of universal frequency translation technology  
Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal, and applications thereof are described herein. Reducing or eliminating DC offset...
7218907 Method and circuit for down-converting a signal  
Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal are described herein. Briefly stated, such methods, systems, and apparatuses operate...
7218899 Apparatus, system, and method for up-converting electromagnetic signals  
Methods, systems, and apparatuses for down-converting and up-converting an electromagnetic signal. In embodiments, the invention operates by receiving an electromagnetic signal and recursively...
7190941 Method and apparatus for reducing DC offsets in communication systems using universal frequency translation technology  
Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal, and applications thereof are described herein. Reducing or eliminating DC offset...
7142582 Receiving and selectively transmitting frequency hopped data signals using a plurality of antennas  
A remote unit transmits data by Frequency hopping over a set of frequencies to a base station. A plurality of antennas at the base station receives the transmitted frequency hopped data. An optimal...
7120187 Spread spectrum wireless communication system  
A system for accessing a telephone system, in which a set of user stations are matched with a set of base stations for connection to a telephone network. Each base station may be coupled directly...
7110444 Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations  
Frequency translation and applications of the same are described herein, including RF modem and wireless local area network (WLAN) applications. In embodiments, the WLAN invention includes an...
7110435 Spread spectrum applications of universal frequency translation  
Frequency translation and spread spectrum applications of same are described herein. Such applications include, but are not limited to, unified down-conversion and de-spreading, unified...
7107028 Apparatus, system, and method for up converting electromagnetic signals  
Methods, systems, and apparatuses for down-converting and up-converting an electromagnetic signal. In embodiments, the invention operates by receiving an electromagnetic signal and recursively...
7099292 Spread spectrum communications using a reference and a message signal system and method  
A spread spectrum remote unit produces a message signal having message data. A reference signal is produced. The reference signal is used to recover the message data from a combined spread spectrum...
7085335 Method and apparatus for reducing DC offsets in a communication system  
Methods and apparatuses for reducing DC offsets in a communication system are described. In a first aspect, a feedback loop circuit reduces DC offset in a wireless local area network (WLAN)...
7082171 Phase shifting applications of universal frequency translation  
A universal frequency translation module (UFT) frequency translates an electromagnetic (EM) input signal by sampling the EM input signal according to a periodic control signal (also called an...
7076011 Integrated frequency translation and selectivity  
Methods and apparatuses for frequency selectivity and frequency translation, and applications for such methods and apparatuses, are described herein. The method includes steps of filtering an input...
7072427 Method and apparatus for reducing DC offsets in a communication system  
Methods and apparatuses for reducing DC offsets in a communication system are described. In a first aspect, a feedback loop circuit reduces DC offset in a wireless local area network (WLAN)...
7072390 Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments  
Frequency translation and applications of the same are described herein, including RF modem and wireless local area network (WLAN) applications. In embodiments, the WLAN invention includes an...
7054296 Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation  
Frequency translation and applications of same are described herein, including wireless local area network (WLAN) applications such as IEEE Standard 802.11 WLANs. Such applications include, but are...
7050508 Method and system for frequency up-conversion with a variety of transmitter configurations  
A method and system is described wherein a signal with a lower frequency is up-converted to a higher frequency. In one embodiment, the higher frequency signal is used as a stable frequency and...
7039372 Method and system for frequency up-conversion with modulation embodiments  
A method and system is described wherein an information signals is gated at a frequency that is a sub-harmonic of the frequency of the desired output signal. In the modulation embodiments, the...
7027786 Carrier and clock recovery using universal frequency translation  
Coherent detection of a received EM signal using universal frequency translation (UFT) is described herein. The received EM signal is sampled according to a sub-harmonic LO signal, where the LO...
7020125 Broadband CDMA overlay system and method  
A wireless communication system has spread spectrum and narrow band users. A selected base station produces a spread spectrum signal for transmission in a selected sector of the base station. The...
7020114 Spread spectrum communication system and method using a reference signal and a plurality of message signals  
A spread spectrum communication system produces a reference signal. A plurality of message signals are produced. Each message signal has message data. The reference signal and the plurality of...
7016663 Applications of universal frequency translation  
Frequency translation and applications of same are described herein. Such applications include, but are not limited to, frequency down-conversion, frequency up-conversion, enhanced signal...
7010559 Method and apparatus for a parallel correlator and applications thereof  
A fast correlator transform (FCT) algorithm and methods and systems for implementing same, correlate an encoded data word (X 0 -X M-1 ) with encoding coefficients (C 0 -C M-1 ), wherein each of (X...
7010286 Apparatus, system, and method for down-converting and up-converting electromagnetic signals  
Methods, systems, and apparatuses for down-converting and up-converting an electromagnetic signal. In embodiments, the invention operates by receiving an electromagnetic signal and recursively...
7006805 Aliasing communication system with multi-mode and multi-band functionality and embodiments thereof, such as the family radio service  
A receiver having multi-mode and multi-band functionality and capabilities is described herein. The receiver is capable of selectively operating over a plurality of bands and channels. The receiver...
6975848 Method and apparatus for DC offset removal in a radio frequency communication channel  
A filter module for reducing a DC offset voltage in a radio frequency communication channel is described. A first capacitor is coupled between a first differential input node and a first...
6963734 Differential frequency down-conversion using techniques of universal frequency translation technology  
Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal, and applications thereof are described herein. Reducing or eliminating DC offset...
6947469 Method and Apparatus for wireless spread spectrum communication with preamble processing period  
A simple and flexible over-air protocol for use with a mobile telephone system, having hand-held telephones in a microcell or other type of cellular communication system. A method in which user...
6925071 Spread spectrum base station  
A spread spectrum remote unit produces a message signal having message data. A reference signal is produced. The reference signal is used to recover the message data from a combined spread spectrum...
6917601 Spread spectrum remote unit  
A spread spectrum remote unit produces a message signal having message data. A reference signal is produced. The reference signal is used to recover the message data from a combined spread spectrum...
6879817 DC offset, re-radiation, and I/Q solutions using universal frequency translation technology  
Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by aliasing the EM signal, and applications thereof are described herein. Reducing or eliminating DC offset...
6873836 Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology  
A communication system comprising a multi-protocol, multi-bearer sub-system is described herein. The sub-system is a universal platform module that can transmit and receive one or more information...
6873643 Spread spectrum adaptive power control communications system and method  
A spread spectrum communication system has a mobile station and a base station. The base station transmits a spread spectrum signal and a threshold. The mobile station receives the spread spectrum...
Matches 1 - 50 out of 165 1 2 3 4 >