Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 375/141
Name: Pulse or digital communications > Spread spectrum > Direct sequence > End-to-end transmission system
Description: Subject matter comprising at least two stations where signals are transmitted and received between stations.

Sub-classes under this class:

Class Number Class Name Patents
375/142 Having correlation-type receiver 906
375/143 Having matched-filter-type receiver 322
375/144 Having multi-receiver or interference cancellation 671
375/145 Having specific signaling for code synchronization 510

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Patent Number Title Of Patent Date Issued
7711030 System and method for spatial-multiplexed tropospheric scatter communications May. 4, 2010
7706428 Low complexity inter-carrier interference cancellation Apr. 27, 2010
7701998 Radio signal positioning Apr. 20, 2010
7697590 Communicating apparatus and communicating method Apr. 13, 2010
7688900 Interleaver decorrelation in data transmitting and receiving devices Mar. 30, 2010
7684378 Method and apparatus for estimating channelization codes in a wireless transmit/receive unit Mar. 23, 2010
7680174 Method and apparatus for forward link power control Mar. 16, 2010
7672357 Base station apparatus of mobile communication system Mar. 2, 2010
7668225 Multi-MOK modulation/demodulation transmission process, corresponding transmitter and receiver Feb. 23, 2010
7668276 Phase adjustment apparatus and method for a memory device signaling system Feb. 23, 2010
7664162 High-frequency wireless peripheral device with auto-connection and auto-synchronization Feb. 16, 2010
7664164 Correlation apparatus and method for accomodating spreading code frequency offset Feb. 16, 2010
7653148 System and method for delivery of video, content on demand and IP packets Jan. 26, 2010
7653120 Channel-adaptive waveform modulation Jan. 26, 2010
7653118 Chirped surface acoustic wave (SAW) correlator/expander Jan. 26, 2010
7639725 System and method for multi-phase composite PN code generation Dec. 29, 2009
7636381 System and method for distributed input-distributed output wireless communications Dec. 22, 2009
7633994 System and method for distributed input-distributed output wireless communications Dec. 15, 2009
7633995 System and method for receiving spread spectrum encoded bursts using a common spreading code Dec. 15, 2009
7633997 Digital data exchange device in a CDMA system Dec. 15, 2009
7627061 Communication breaking device and method thereof Dec. 1, 2009
RE40997 Spread spectrum communication transmitter and receiver, and CDMA mobile communication system and method Nov. 24, 2009
RE40986 Channel simulator for mobile systems Nov. 17, 2009
7620095 RF modem utilizing saw device with pulse shaping and programmable frequency synthesizer Nov. 17, 2009
7620005 Method and apparatus for code assignment in a spread spectrum wireless communication system Nov. 17, 2009
7616677 Downlink power control with limit to dynamic range using detection of downlink transmit power Nov. 10, 2009
7616965 Method and apparatus for calculating a device location Nov. 10, 2009
7613226 Method and apparatus for transferring signals in a wireless communication system Nov. 3, 2009
7613225 System and method for secure communication of collected amphibious data Nov. 3, 2009
7613158 Method of quadrature spreading Nov. 3, 2009
7609748 Method, system and apparatus for maximizing a jammer's time-on-target and power-on-target Oct. 27, 2009
7609749 Method and apparatus for generating non-recursive variable rate orthogonal spreading codes Oct. 27, 2009
7609750 Segment-wise channel equalization based data estimation Oct. 27, 2009
7609751 Method and apparatus to initiate communications between an unknown node and an existing secure network Oct. 27, 2009
7606567 Channel allocation for burst transmission to a diversity of satellites Oct. 20, 2009
7599420 System and method for distributed input distributed output wireless communications Oct. 6, 2009
7599665 Selection of radio resources in a wireless communication device Oct. 6, 2009
7596166 Integrated circuit device including a spectrum spread clock generator, method for controlling the device, and ink-jet recording apparatus including the device Sep. 29, 2009
7586972 Code division multiple access enhanced capacity system Sep. 8, 2009
7586977 Transmission power control method, mobile station, and radio network controller Sep. 8, 2009
7583745 Exploiting selection diversity in communications systems with non-orthonormal matrix and vector modulation Sep. 1, 2009
7580400 Apparatus and method for generating preamble signal for cell identification in an orthogonal frequency division multiplexing system Aug. 25, 2009
7577180 Method and system for maintaining synchronization in low-power mode over a frequency hopping radio link Aug. 18, 2009
7555028 Method and system for defining additional spread spectrum channels within a coverage area of an existing wireless network Jun. 30, 2009
7551898 Channel quality feedback mechanism and method Jun. 23, 2009
7539235 Matched filter for scalable spread spectrum communications systems May. 26, 2009
7535950 Blind selected mapping techniques for crest factor reduction of forward link CDMA signals May. 19, 2009
7535822 Synchronization of remote units for a communication network May. 19, 2009
7526011 Radio communication system, transmitter, receiver and radio communicating method Apr. 28, 2009
7519101 Method and apparatus for using empty time slots for spread spectrum encoding Apr. 14, 2009

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

  Recently Added Patents
Memory cell and memory cell array using the same
Enediyne compounds, conjugates thereof, and uses and methods therefor
Personal IP toll-free number
Graphical communication user interface with graphical position user input mechanism for selecting a display image
Dual source mass spectrometry system
Image processing apparatus
Roll of continuous web of optical film laminate and production method therefor
  Randomly Featured Patents
Storage system managing data through a wide area network
Porous pellet adsorbents fabricated from nanocrystals
System and method for emergency call channel allocation
Large particle zeolite containing cracking catalyst exhibiting improved hydrothermal stability
Apparatus for containing electrical components for sensing or measuring magnetic fields
Apparatus control system, apparatus control method, semiconductor exposure apparatus, semiconductor exposure apparatus control method and semiconductor device manufacturing method
Enhanced antimicrobial activity compositions of blends of plant essential oils
Caching content and state data at a network element
Device for drawing ellipses
Personal virtual assistant