BR9812311B1 - mÉtodo e equipamento para a transmissço de dados em sistema cdma de méltiplas portadoras. - Google Patents
mÉtodo e equipamento para a transmissço de dados em sistema cdma de méltiplas portadoras.Info
- Publication number
- BR9812311B1 BR9812311B1 BRPI9812311-4A BR9812311A BR9812311B1 BR 9812311 B1 BR9812311 B1 BR 9812311B1 BR 9812311 A BR9812311 A BR 9812311A BR 9812311 B1 BR9812311 B1 BR 9812311B1
- Authority
- BR
- Brazil
- Prior art keywords
- equipment
- data transmission
- multiple carrier
- cdma systems
- carrier cdma
- Prior art date
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
- H04L5/0017—Time-frequency-code in which a distinct code is applied, as a temporal sequence, to each frequency
-
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
- H04J13/0048—Walsh
-
- 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
- H04L1/0059—Convolutional 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
- H04L1/004—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
- H04L1/0071—Use of interleaving
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
- H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
- H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
- H04L5/0046—Determination of how many bits are transmitted on different sub-channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Radio Transmission System (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/931,536 US6389000B1 (en) | 1997-09-16 | 1997-09-16 | Method and apparatus for transmitting and receiving high speed data in a CDMA communication system using multiple carriers |
PCT/US1998/019335 WO1999014878A1 (en) | 1997-09-16 | 1998-09-16 | A method of and apparatus for transmitting data in a multiple carrier system |
Publications (2)
Publication Number | Publication Date |
---|---|
BR9812311A BR9812311A (pt) | 2000-09-12 |
BR9812311B1 true BR9812311B1 (pt) | 2013-01-22 |
Family
ID=25460935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI9812311-4A BR9812311B1 (pt) | 1997-09-16 | 1998-09-16 | mÉtodo e equipamento para a transmissço de dados em sistema cdma de méltiplas portadoras. |
Country Status (18)
Country | Link |
---|---|
US (2) | US6389000B1 (pt) |
EP (2) | EP1507379B1 (pt) |
JP (1) | JP4285901B2 (pt) |
KR (1) | KR100686776B1 (pt) |
CN (1) | CN100417051C (pt) |
AU (1) | AU753676B2 (pt) |
BR (1) | BR9812311B1 (pt) |
CA (1) | CA2302391C (pt) |
DE (2) | DE69838824T2 (pt) |
HK (2) | HK1074548A1 (pt) |
ID (1) | ID25458A (pt) |
IL (1) | IL134919A (pt) |
NO (1) | NO326768B1 (pt) |
RU (1) | RU2216866C2 (pt) |
TW (1) | TW431083B (pt) |
UA (1) | UA62980C2 (pt) |
WO (1) | WO1999014878A1 (pt) |
ZA (1) | ZA988431B (pt) |
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