JPH05501189A - 時間領域パイロット成分を有する通信信号 - Google Patents
時間領域パイロット成分を有する通信信号Info
- Publication number
- JPH05501189A JPH05501189A JP3510235A JP51023591A JPH05501189A JP H05501189 A JPH05501189 A JP H05501189A JP 3510235 A JP3510235 A JP 3510235A JP 51023591 A JP51023591 A JP 51023591A JP H05501189 A JPH05501189 A JP H05501189A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- samples
- sequence
- signals
- pilot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
-
- 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
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
-
- 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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2657—Carrier synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
- H04L27/3411—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power reducing the peak to average power ratio or the mean power of the constellation; Arrangements for increasing the shape gain of a signal set
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/345—Modifications of the signal space to allow the transmission of additional information
- H04L27/3455—Modifications of the signal space to allow the transmission of additional information in order to facilitate carrier recovery at the receiver end, e.g. by transmitting a pilot or by using additional signal points to allow the detection of rotations
-
- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- 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
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
-
- 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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
- H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Radio Relay Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53682590A | 1990-06-12 | 1990-06-12 | |
US536,825 | 1990-06-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH05501189A true JPH05501189A (ja) | 1993-03-04 |
Family
ID=24140086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3510235A Pending JPH05501189A (ja) | 1990-06-12 | 1991-05-17 | 時間領域パイロット成分を有する通信信号 |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0486667A4 (zh) |
JP (1) | JPH05501189A (zh) |
KR (1) | KR0137129B1 (zh) |
CN (1) | CN1059240A (zh) |
AU (1) | AU7951491A (zh) |
BR (1) | BR9105788A (zh) |
CA (1) | CA2064758C (zh) |
WO (1) | WO1991020137A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002543675A (ja) * | 1999-04-23 | 2002-12-17 | クゥアルコム・インコーポレイテッド | マルチ搬送波通信システムで同期チャンネルメッセージを送信する方法および装置 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5519730A (en) * | 1990-06-12 | 1996-05-21 | Jasper; Steven C. | Communication signal having a time domain pilot component |
USRE42643E1 (en) | 1991-03-27 | 2011-08-23 | Panasonic Corporation | Communication system |
JP2904986B2 (ja) * | 1992-01-31 | 1999-06-14 | 日本放送協会 | 直交周波数分割多重ディジタル信号送信装置および受信装置 |
US6724976B2 (en) | 1992-03-26 | 2004-04-20 | Matsushita Electric Industrial Co., Ltd. | Communication system |
USRE38513E1 (en) | 1992-03-26 | 2004-05-11 | Matsushita Electric Industrial Co., Ltd. | Communication system |
US5802241A (en) | 1992-03-26 | 1998-09-01 | Matsushita Electric Industrial Co., Ltd. | Communication system |
US6728467B2 (en) | 1992-03-26 | 2004-04-27 | Matsushita Electric Industrial Co., Ltd. | Communication system |
CN1032099C (zh) * | 1992-03-26 | 1996-06-19 | 松下电器产业株式会社 | 通信系统 |
GB2271693A (en) * | 1992-10-13 | 1994-04-20 | Motorola Israel Ltd | Communications system having pilot signals transmitted over frequency divided channels |
US5666378A (en) * | 1994-03-18 | 1997-09-09 | Glenayre Electronics, Inc. | High performance modem using pilot symbols for equalization and frame synchronization |
GB9700947D0 (en) * | 1997-01-17 | 1997-03-05 | Digi Media Vision Ltd | Method and apparatus for receiving frequency division multiplex signals |
US6721267B2 (en) * | 2000-08-01 | 2004-04-13 | Motorola, Inc. | Time and bandwidth scalable slot format for mobile data system |
US20020080867A1 (en) * | 2000-09-25 | 2002-06-27 | Syed Abbas | Robust signaling techniques in multicarrier systems |
WO2009018980A2 (de) * | 2007-08-03 | 2009-02-12 | Oliver Bartels | Funkgerät mit mehrträgerübertragung |
US9893927B2 (en) * | 2010-04-08 | 2018-02-13 | Cometch EF Data Corp. | Embedded meta-carrier with spread spectrum via overlaid carriers |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1217233A (en) * | 1982-12-29 | 1987-01-27 | Susumu Sasaki | Qam with dc bias in one channel |
US4881245A (en) * | 1983-07-01 | 1989-11-14 | Harris Corporation | Improved signalling method and apparatus |
FR2658016B1 (fr) * | 1990-02-06 | 1994-01-21 | Etat Francais Cnet | Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et demodulation coherente, et recepteur correspondant. |
-
1991
- 1991-05-17 AU AU79514/91A patent/AU7951491A/en not_active Abandoned
- 1991-05-17 WO PCT/US1991/003481 patent/WO1991020137A1/en not_active Application Discontinuation
- 1991-05-17 EP EP19910911570 patent/EP0486667A4/en not_active Withdrawn
- 1991-05-17 BR BR919105788A patent/BR9105788A/pt not_active IP Right Cessation
- 1991-05-17 CA CA002064758A patent/CA2064758C/en not_active Expired - Lifetime
- 1991-05-17 JP JP3510235A patent/JPH05501189A/ja active Pending
- 1991-05-17 KR KR1019920700313A patent/KR0137129B1/ko not_active IP Right Cessation
- 1991-06-11 CN CN91103937A patent/CN1059240A/zh active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002543675A (ja) * | 1999-04-23 | 2002-12-17 | クゥアルコム・インコーポレイテッド | マルチ搬送波通信システムで同期チャンネルメッセージを送信する方法および装置 |
Also Published As
Publication number | Publication date |
---|---|
CA2064758C (en) | 1996-11-12 |
AU7951491A (en) | 1992-01-07 |
BR9105788A (pt) | 1992-08-04 |
EP0486667A1 (en) | 1992-05-27 |
CN1059240A (zh) | 1992-03-04 |
WO1991020137A1 (en) | 1991-12-26 |
KR0137129B1 (ko) | 1998-06-01 |
EP0486667A4 (en) | 1993-08-11 |
CA2064758A1 (en) | 1991-12-13 |
KR920702579A (ko) | 1992-09-04 |
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