Zhang et al., 1993 - Google Patents

A sequency multiplexing technique for mobile communication systems

Zhang et al., 1993

Document ID: 3525475742066969455
Author: Zhang H; Rutkowski D
Publication year: 1993
Publication venue: Proceedings of IEEE Singapore International Conference on Networks/International Conference on Information Engineering'93

External Links

Cited by

Snippet

In this paper a multiplexing technique based on Walsh functions (sequency multiplexing) is described for the mobile spread spectrum multiple-access (SSMA) communication system. At the base station, the bit streams forwarded to each of 2K users are partitioned into two …

Continue reading at ieeexplore.ieee.org (other versions)

238000000034 method 0 title abstract description 15

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
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
- H04B1/7093—Matched filter type
- 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
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- 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
- 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
- H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
- 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
- H04B1/7163—Spread spectrum techniques using impulse radio
- 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
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/715—Interference-related aspects
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0604—Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching with predefined switching scheme
- H04B7/0606—Random or pseudo-random switching scheme
- 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
- 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
- H04L5/02—Channels characterised by the type of signal
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying includes continuous phase systems
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/001—Modulated-carrier systems using chaotic signals
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0083—Signalling arrangements
- H04L2027/0089—In-band signals
- H04L2027/0093—Intermittant signals
- H04L2027/0095—Intermittant signals in a preamble or similar structure
- 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
- H04L23/00—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00
- H04L23/02—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00 adapted for orthogonal signalling

Similar Documents

Publication	Publication Date	Title
US5414728A (en)	1995-05-09	Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels
EP0829155B1 (en)	2004-07-21	Doubly orthogonal code and frequency division multiple access communication system
US5867525A (en)	1999-02-02	Synchronizer and method therefor and communications system incorporating same
US5920551A (en)	1999-07-06	Channel structure with burst pilot in reverse link
KR100221669B1 (en)	1999-09-15	Method and apparatus for variable rate signal transmission in spread spectrum communication system using corset coding
US4222115A (en)	1980-09-09	Spread spectrum apparatus for cellular mobile communication systems
US4189677A (en)	1980-02-19	Demodulator unit for spread spectrum apparatus utilized in a cellular mobile communication system
US5274665A (en)	1993-12-28	Polyopoly overlapping spread spectrum communication system and method
CA1296772C (en)	1992-03-03	Digital radio transmission system for a cellular network, using the spread spectrum method
US5917852A (en)	1999-06-29	Data scrambling system and method and communications system incorporating same
US5166951A (en)	1992-11-24	High capacity spread spectrum channel
EP0564937B1 (en)	1999-06-09	CDMA Radio communication system with pilot signal transmission between base station and handsets for channel distortion compensation
JPH04351130A (en)	1992-12-04	Multiple connection method
EP1634403A2 (en)	2006-03-15	Parallel spread spectrum communication system and method
CN109246041A (en)	2019-01-18	A kind of compound text signal broadcast control method of R-CSK dual rate
JPH08251117A (en)	1996-09-27	Multi-carrier transmission system and multi-carrier transmission method
WO1991003892A1 (en)	1991-03-21	Improvements in a spread-spectrum multiplexed transmission system
Zhang et al.	1993	A sequency multiplexing technique for mobile communication systems
JPH07107007A (en)	1995-04-21	Spread code generation method
El-Khamy et al.	1999	Frequency hopped-chirp modulation (FH-CM) for multi-user signaling in multipath dispersive media
JP2724949B2 (en)	1998-03-09	Spread spectrum communication system
Yu et al.	1996	A hybrid spreading/despreading function with good SNR performance for band-limited DS-CDMA
Huang et al.	1998	Optimal performance of coherent optical pulse CDMA systems based on code and phase synchronisation and interference cancellation
CA2496605C (en)	2008-08-19	Using orthogonal waveforms to enable multiple transmitters to share a single cdm channel
Youn et al.	1996	Orthogonal multi-carrier CDMA system using a concatenated orthogonal/PN spreading scheme