Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 375/142
Name: Pulse or digital communications > Spread spectrum > Direct sequence > End-to-end transmission system > Having correlation-type receiver
Description: Subject matter in which transmitted signals are recovered using a structure or method that compares a transmitted spreading code sequence with a local spreading code sequence, generally by multiplicative means.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Patent Number Title Of Patent Date Issued
7142588 Multi-peak detector of mobile telecommunication system and method thereof Nov. 28, 2006
7139256 Method and system for detecting and identifying scrambling codes Nov. 21, 2006
7139302 Code division multiple access enhanced capacity system Nov. 21, 2006
7130326 Gated time division multiplexed spread spectrum correlator Oct. 31, 2006
7126982 Apparatus for rapid PN code acquistion Oct. 24, 2006
7113745 Method to achieve diversity in a communication network Sep. 26, 2006
7110447 Channel estimator for an adaptive equalizer Sep. 19, 2006
7106783 Method and apparatus for searching multipaths of mobile communication system Sep. 12, 2006
7103061 Synchronization codeword for interference reduction in a CDMA system Sep. 5, 2006
7099293 Buffer-less de-skewing for symbol combination in a CDMA demodulator Aug. 29, 2006
7088765 Vector calibration system Aug. 8, 2006
7088699 Cellular receiver and reception method Aug. 8, 2006
7085313 Multiple channel joint decoding at mobile handset Aug. 1, 2006
7085252 Cell search method, communication synchronization apparatus, portable terminal apparatus, and recording medium Aug. 1, 2006
7085309 Radiofrequency signal receiver with means for correcting the effects of multipath signals, and method for activating the receiver Aug. 1, 2006
7085308 Searching in dual-mode communications system Aug. 1, 2006
7082286 Path searcher using reconfigurable correlator sets Jul. 25, 2006
7079604 Ultrawide bandwidth system and method for fast synchronization using multiple detection arms Jul. 18, 2006
7079587 Signal transmitter having voltage booster circuit and method of operating the same Jul. 18, 2006
7076379 Method of estimating doppler frequency shift and method of transmitting data using the same Jul. 11, 2006
7075974 Multi-path detection circuit and method for a CDMA receiver Jul. 11, 2006
7072635 Method for combining data from phase indeterminate data streams for raking Jul. 4, 2006
7068708 Method and receiving unit for demodulating a multi-path signal Jun. 27, 2006
7061993 CDMA receiver architecture for lower bypass switch point Jun. 13, 2006
7058399 Search window delay tracking in code division multiple access communication systems Jun. 6, 2006
7058143 Apparatus and a method for calculation of a correlation value corresponding to a frequency error, and a recording medium with a recorded correlation value calculation program Jun. 6, 2006
7054355 Spread spectrum signal processing apparatus and spread communication system May. 30, 2006
7050759 Channel quality feedback mechanism and method May. 23, 2006
7050482 Apparatus and method for measurement of communication quality in CDMA system May. 23, 2006
7050486 Path searcher for spread spectrum receiver May. 23, 2006
7042924 Synchronization establishing and tracking circuit for CDMA base station May. 9, 2006
7042925 Correlation detection improvement by averaging spread spectrum signals May. 9, 2006
7042930 Spread spectrum bit boundary correlation search acquisition system May. 9, 2006
7042931 Path detection method and receiver May. 9, 2006
7039091 Method and apparatus for implementing a two dimensional correlator May. 2, 2006
7035315 Doppler corrected communications receiver and method of removing doppler frequency shift Apr. 25, 2006
7035233 Radio communication terminal apparatus and radio communication base station apparatus Apr. 25, 2006
7031376 Fast initial acquisition and search device for a spread spectrum communication system Apr. 18, 2006
7027495 Acquisition circuit for low chip rate option for mobile telecommunication system Apr. 11, 2006
7027817 Method for transmitting an information of a mobile telecommunication system Apr. 11, 2006
7023823 Wireless network with capacity measurement Apr. 4, 2006
7023906 Receiver and receiving method in spread spectrum communication system Apr. 4, 2006
7023905 Correlation and demodulation circuit for a receiver for signals modulated by a specific code Apr. 4, 2006
7020183 Code division multiple access signal receiving apparatus Mar. 28, 2006
7009947 Integrity of pilot phase offset measurements for predicting pilot strength Mar. 7, 2006
7006556 Method and apparatus for performing signal correlation at multiple resolutions to mitigate multipath interference Feb. 28, 2006
6999502 Method for receiving CDMA signals with synchronization resulting from delayed double multiplication and corresponding receiver Feb. 14, 2006
6999499 Demodulation apparatus of a base station in a CDMA mobile communication system Feb. 14, 2006
6996160 Channel gain estimation in a rake receiver using complex weight generation (CWG) algorithms Feb. 7, 2006
6990137 System and method for received signal prediction in wireless communications systems Jan. 24, 2006

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19










 
 
  Recently Added Patents
One-dimensional metal nanostructures
Display fixture for highlighting products
Image forming apparatus and method for making density correction in a low resolution image based on edge determination
Chair
Pressure roller and fixing device equipped with the same
Variety corn line LIC7382
Stacked structure and stacked method for three-dimensional chip
  Randomly Featured Patents
Glass washing electromagnetic pump, more particularly for windscreens of motor vehicles
Exit roller reversal gate for duplex printing
Thin polymer films and method
Camera
Golf club head
Soft magnetic FeCo based target material
Method for testing and verifying power management features of computer system
Deformable polymeric compositions
Periodic and non-periodic tilings and building blocks from prismatic nodes
On-off snap action water and heat saving valve attachment for sink spout