BRPI0909281A2 - método e sistema para comunicar através de uma interface de comunicação de acesso múltiplo, ponto de aceso, método e aparelho de transmissão para comunicar informação para um ponto de acesso, etiqueta, método e sistema para despropagar dados propagados, método para estabelecer comunicação em uma etiqueta, e, meio legível por computador - Google Patents
método e sistema para comunicar através de uma interface de comunicação de acesso múltiplo, ponto de aceso, método e aparelho de transmissão para comunicar informação para um ponto de acesso, etiqueta, método e sistema para despropagar dados propagados, método para estabelecer comunicação em uma etiqueta, e, meio legível por computadorInfo
- Publication number
- BRPI0909281A2 BRPI0909281A2 BRPI0909281A BRPI0909281A BRPI0909281A2 BR PI0909281 A2 BRPI0909281 A2 BR PI0909281A2 BR PI0909281 A BRPI0909281 A BR PI0909281A BR PI0909281 A BRPI0909281 A BR PI0909281A BR PI0909281 A2 BRPI0909281 A2 BR PI0909281A2
- Authority
- BR
- Brazil
- Prior art keywords
- tag
- access point
- dispropagating
- computer readable
- transmission apparatus
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0074—Code shifting or hopping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
- H04B1/70752—Partial correlation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/7097—Direct sequence modulation interference
- H04B2201/709709—Methods of preventing interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0004—Initialisation of the receiver
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3752208P | 2008-03-18 | 2008-03-18 | |
US12/189,533 US7593452B1 (en) | 2008-03-18 | 2008-08-11 | Despreading spread spectrum data |
US12/189,609 US7782926B2 (en) | 2008-03-18 | 2008-08-11 | Random phase multiple access communication interface system and method |
US12/189,619 US7593383B1 (en) | 2008-03-18 | 2008-08-11 | Uplink transmitter in a random phase multiple access communication system |
US12/189,505 US7526013B1 (en) | 2008-03-18 | 2008-08-11 | Tag communications with access point |
PCT/US2009/036743 WO2009117284A2 (en) | 2008-03-18 | 2009-03-11 | Random phase multiple access communication interface system and method |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0909281A2 true BRPI0909281A2 (pt) | 2015-10-06 |
Family
ID=40568974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0909281A BRPI0909281A2 (pt) | 2008-03-18 | 2009-03-11 | método e sistema para comunicar através de uma interface de comunicação de acesso múltiplo, ponto de aceso, método e aparelho de transmissão para comunicar informação para um ponto de acesso, etiqueta, método e sistema para despropagar dados propagados, método para estabelecer comunicação em uma etiqueta, e, meio legível por computador |
Country Status (14)
Country | Link |
---|---|
US (5) | US7526013B1 (pt) |
EP (1) | EP2255451B1 (pt) |
JP (4) | JP5442706B2 (pt) |
KR (1) | KR101683304B1 (pt) |
CN (1) | CN102084598B (pt) |
AU (1) | AU2009225884B2 (pt) |
BR (1) | BRPI0909281A2 (pt) |
CA (1) | CA2718433A1 (pt) |
ES (1) | ES2525208T3 (pt) |
HK (1) | HK1151637A1 (pt) |
MX (1) | MX2010010113A (pt) |
NZ (1) | NZ588465A (pt) |
RU (1) | RU2508597C2 (pt) |
WO (1) | WO2009117284A2 (pt) |
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