Validity Report
Basic Report
US10833908B2 — Channel probing signal for a broadband communication system
Priority Date: 2004-01-29, Publication Date: 2020-11-10, Current Assignee: Neo Wireless LLCReport Generated: 2023-02-14
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Patent Id
Score
Title
Patent Type
Publication Date
Priority Date
Search Efficiency
Original Assignee
Current Assignee
EP0760564A2●●●●●Random access in multicarrier systemsGRANT1997-03-051995-08-28GreatTelia ABTelia AB
EP1130840A2●●●●●Spread-spectrum multicarrier modulation for cellular communicationGRANT2001-09-052000-02-29GreatToshiba CorpToshiba Corp
US7002934B2●●●●●OFDM multiple upstream receiver networkGRANT2006-02-212001-01-22GreatUnique Broadband Systems IncUnique Broadband Systems Ltd
EP1521415A2●●●●●Apparatus and method for transmitting / receiving an uplink pilot signal in a communication system using an orthogonal frequency division multiple access schemeGRANT2005-04-062003-09-30GreatSamsung Electronics Co LtdSamsung Electronics Co Ltd
EP0938193A1●●●●●Header structure for TDD systemsGRANT1999-08-251998-02-18GreatSony International Europe GmbHSony Deutschland GmbH
US20050099939A1●●●●●Apparatus and method for transmitting/receiving pilot signals in an OFDM communication systemAPPLICATION2005-05-122003-08-14GreatSamsung Electronics Co LtdSamsung Electronics Co Ltd
US20050094550A1●●●●●Apparatus and method for transmitting/receiving pilot signals in an OFDM communication systemAPPLICATION2005-05-052003-10-31GreatSamsung Electronics Co LtdSamsung Electronics Co Ltd
US6967936B1●●●●●Uplink timing synchronization and access control for a multi-access wireless communication systemGRANT2005-11-222000-02-11GreatLucent Technologies IncGEMATLO SA, Alcatel Lucent SAS, Thales DIS France SA
US20040258014A1●●●●●Apparatus and method for assigning a dedicated pilot channel for identification of a base station in an OFDM communication systemAPPLICATION2004-12-232003-06-20GreatSamsung Electronics Co LtdSamsung Electronics Co Ltd
EP1039683B1●●●●●Frequency hopping multiple access with multicarrier signalsGRANT2002-03-271999-03-11GreatLucent Technologies IncNokia of America Corp
US7962162B2●●●●●Simulcasting OFDM system having mobile station location identificationGRANT2011-06-142001-08-07GreatAT&T Intellectual Property II LPAT&T Corp, AT&T Intellectual Property II LP
US7535869B2●●●●●Apparatus and method for dynamically assigning resources in an OFDM communication systemGRANT2009-05-192003-09-15GreatSamsung Electronics Co LtdSamsung Electronics Co Ltd
EP1520385B1●●●●●DUAL-MODE SHARED OFDM METHODS/TRANSMITTERS  RECEIVERS AND SYSTEMSGRANT2008-01-232002-06-27GreatNortel Networks LtdNortel Networks Ltd
US7012949B2●●●●●OFDM guard band communication apparatus and methodGRANT2006-03-142000-03-15GreatMatsushita Electric Industrial Co LtdPanasonic Intellectual Property Corp of America
US6940827B2●●●●●Communication system using OFDM for one direction and DSSS for another directionGRANT2005-09-062001-03-09GreatAdaptix IncJ & K SERVICES LLC, SDR HOLDINGS LLC, Adaptix Inc, Kaon Systems Inc
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Predictive Analytics

Composite Research Score (1-10)
7
  MODERATE
Art VolumeHIGH
Tech ComplexityINTRICATE
Priority DateMID
Tech DiversityNARROW
Expert Services Estimate$3,750 — $4,200
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Preview CPC Technology Profile

Possible Classes
654
Recommended Classes
164
Government Assigned Classes
16
CPC
Title
Score
H04J13/18Allocation of orthogonal codes●●●●●
H04B1/707using direct sequence modulation●●●●●
H04L27/26Systems using multi-frequency codes | (ref: H04L27/32)|  takes precedence●●●●●
H04L5/14Two-way operation using the same type of signal  i.e. duplex | duplex repeaters | (ref: H04L25/22)|  | conditioning for two-way transmission in general | (ref: H04B3/20)| | | for interconnection between telephone switching centres | (ref: H04Q3/00)●●●●●
H04L5/0021in which codes are applied as a frequency-domain sequences  e.g. MC-CDMA●●●●●
H04W52/24using SIR [Signal to Interference Ratio] or other wireless path parameters●●●●●
H04W74/0833using a random access procedure●●●●●
H04L27/2613Structure of the reference signals | per se●●●●●
H04W72/0406involving control information exchange between nodes●●●●●
H04L1/0003by switching between different modulation schemes●●●●●
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