JP3793463B2 - Ｏｆｄｍ用サンプリング誤差検出装置、検出方法、および、ｏｆｄｍ用受信装置 - Google Patents
Ｏｆｄｍ用サンプリング誤差検出装置、検出方法、および、ｏｆｄｍ用受信装置 Download PDFInfo
- Publication number
- JP3793463B2 JP3793463B2 JP2002010104A JP2002010104A JP3793463B2 JP 3793463 B2 JP3793463 B2 JP 3793463B2 JP 2002010104 A JP2002010104 A JP 2002010104A JP 2002010104 A JP2002010104 A JP 2002010104A JP 3793463 B2 JP3793463 B2 JP 3793463B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- ofdm
- output
- component
- symbol
- 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.)
- Expired - Fee Related
Links
- 238000005070 sampling Methods 0.000 title claims description 75
- 238000001514 detection method Methods 0.000 title claims description 61
- 238000012545 processing Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000004364 calculation method Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 16
- 238000012937 correction Methods 0.000 claims description 12
- 239000000969 carrier Substances 0.000 claims description 7
- 238000012935 Averaging Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Images
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002010104A JP3793463B2 (ja) | 2002-01-18 | 2002-01-18 | Ｏｆｄｍ用サンプリング誤差検出装置、検出方法、および、ｏｆｄｍ用受信装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002010104A JP3793463B2 (ja) | 2002-01-18 | 2002-01-18 | Ｏｆｄｍ用サンプリング誤差検出装置、検出方法、および、ｏｆｄｍ用受信装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003218823A JP2003218823A (ja) | 2003-07-31 |
| JP2003218823A5 JP2003218823A5 (enExample) | 2006-01-05 |
| JP3793463B2 true JP3793463B2 (ja) | 2006-07-05 |
Family
ID=27647924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002010104A Expired - Fee Related JP3793463B2 (ja) | 2002-01-18 | 2002-01-18 | Ｏｆｄｍ用サンプリング誤差検出装置、検出方法、および、ｏｆｄｍ用受信装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3793463B2 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101109924B1 (ko) | 2003-08-20 | 2012-03-02 | 파나소닉 주식회사 | 무선 통신 장치 및 서브 캐리어의 할당 방법 |
| JP4685937B2 (ja) * | 2006-07-20 | 2011-05-18 | 三菱電機株式会社 | 信号検出装置 |
-
2002
- 2002-01-18 JP JP2002010104A patent/JP3793463B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003218823A (ja) | 2003-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7539125B2 (en) | Method and circuit for frequency offset estimation in frequency domain in the orthogonal frequency division multiplexing baseband receiver for IEEE 802.11A/G wireless LAN standard | |
| JP4159030B2 (ja) | Ｏｆｄｍを用いる無線ネットワーク用のタイミング同期方法 | |
| US7133479B2 (en) | Frequency synchronization apparatus and method for OFDM systems | |
| US8345734B2 (en) | Time error estimation for data symbols | |
| US7099397B2 (en) | Receiver of an orthogonal frequency division multiplexing system | |
| EP2289216B1 (en) | Methods for estimating a residual frequency error in a communications system | |
| US20040218519A1 (en) | Apparatus and method for estimation of channel state information in OFDM receivers | |
| US20060239179A1 (en) | Initial parameter estimation in OFDM systems | |
| JPH10308715A (ja) | 受信装置および受信方法 | |
| EP2204958B1 (en) | Method and system for ofdm symbol timing recovery | |
| US7792202B2 (en) | Apparatus and method for estimating timing offset of OFDM symbol, and method of recovering symbol timing of OFDM symbol | |
| JP5014293B2 (ja) | Ｍｉｍｏ−ｏｆｄｍ受信装置 | |
| EP1547239A1 (en) | Direct conversion receiver and receiving method | |
| KR100626644B1 (ko) | 직교 주파수 분할 다중화 통신시스템에서 주파수 및 시간옵셋 추정 방법과 그를 이용한 장치 | |
| JP3793463B2 (ja) | Ｏｆｄｍ用サンプリング誤差検出装置、検出方法、および、ｏｆｄｍ用受信装置 | |
| JP3558879B2 (ja) | ディジタル通信装置 | |
| JP3797968B2 (ja) | Ｏｆｄｍ復調装置における周波数誤差検出装置および方法 | |
| JP3757144B2 (ja) | Ｏｆｄｍ受信装置およびｏｆｄｍ信号の受信方法 | |
| JP2003264527A (ja) | Ｏｆｄｍ用周波数誤差検出装置、検出方法、および、ｏｆｄｍ用受信装置 | |
| JP2001292122A (ja) | 復調装置及び復調方法 | |
| JP2003152669A (ja) | Ｏｆｄｍ用復調装置 | |
| JP3793534B2 (ja) | Ｏｆｄｍ受信装置およびｏｆｄｍ信号の受信方法 | |
| KR20050003663A (ko) | Ｏｆｄｍ 수신기의 심벌 타이밍 복원장치 및 방법 | |
| JP4345194B2 (ja) | 復調装置 | |
| KR100968207B1 (ko) | Ｆｆｔ 윈도우 위치 복원 장치, 이를 갖는 디지털 라디오 방송용 수신 장치 및 ｆｆｔ 윈도우 위치 복원 방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20050114 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20051110 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20051129 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060127 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20060404 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20060407 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100414 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100414 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110414 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120414 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150414 Year of fee payment: 9 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |