Blind SINR estimation for OFDM system in the presence of radio frequency interference
Based on cyclostationarity properties of OFDM signal, a novel blind SINR estimation method for OFDM sys-tem in the presence of RFI was proposed. By analyzing the power distribution of cyclic correlation of transmitted signal, RFI and AWGN, appropriately selecting the time delay variable and cyclic f...
Saved in:
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Journal on Communications
2014-06-01
|
| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/doi/10.3969/j.issn.1000-436x.2014.06.016/ |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1841539750857539584 |
|---|---|
| author | Shun-li HONG You-ming LI Ming JIN Gang WANG |
| author_facet | Shun-li HONG You-ming LI Ming JIN Gang WANG |
| author_sort | Shun-li HONG |
| collection | DOAJ |
| description | Based on cyclostationarity properties of OFDM signal, a novel blind SINR estimation method for OFDM sys-tem in the presence of RFI was proposed. By analyzing the power distribution of cyclic correlation of transmitted signal, RFI and AWGN, appropriately selecting the time delay variable and cyclic frequency of the OFDM signal, the signal and interference plus noise power could be efficiently isolated in the power domain, which formed the SINR estimation method. Computer simulation results verify that the performance of the proposed method is superior to that of sec-ond-order and fourth-order moments (M2M4) method and the complexity of the new method is also lower than that of the M2M4 method. The new method can also effectively estimate SINR under the fast fading Rayleigh channel. Furthermore, the new method is robust to the density of RFI signal. |
| format | Article |
| id | doaj-art-9afc89342a7a4fdeaa499b2edd9c293f |
| institution | Kabale University |
| issn | 1000-436X |
| language | zho |
| publishDate | 2014-06-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-9afc89342a7a4fdeaa499b2edd9c293f2025-01-14T06:43:35ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2014-06-013512613159682251Blind SINR estimation for OFDM system in the presence of radio frequency interferenceShun-li HONGYou-ming LIMing JINGang WANGBased on cyclostationarity properties of OFDM signal, a novel blind SINR estimation method for OFDM sys-tem in the presence of RFI was proposed. By analyzing the power distribution of cyclic correlation of transmitted signal, RFI and AWGN, appropriately selecting the time delay variable and cyclic frequency of the OFDM signal, the signal and interference plus noise power could be efficiently isolated in the power domain, which formed the SINR estimation method. Computer simulation results verify that the performance of the proposed method is superior to that of sec-ond-order and fourth-order moments (M2M4) method and the complexity of the new method is also lower than that of the M2M4 method. The new method can also effectively estimate SINR under the fast fading Rayleigh channel. Furthermore, the new method is robust to the density of RFI signal.http://www.joconline.com.cn/zh/article/doi/10.3969/j.issn.1000-436x.2014.06.016/OFDMcyclostationarity propertiesradio frequency interferencesignal-to-interference-plus-noise ratio es-timation |
| spellingShingle | Shun-li HONG You-ming LI Ming JIN Gang WANG Blind SINR estimation for OFDM system in the presence of radio frequency interference Tongxin xuebao OFDM cyclostationarity properties radio frequency interference signal-to-interference-plus-noise ratio es-timation |
| title | Blind SINR estimation for OFDM system in the presence of radio frequency interference |
| title_full | Blind SINR estimation for OFDM system in the presence of radio frequency interference |
| title_fullStr | Blind SINR estimation for OFDM system in the presence of radio frequency interference |
| title_full_unstemmed | Blind SINR estimation for OFDM system in the presence of radio frequency interference |
| title_short | Blind SINR estimation for OFDM system in the presence of radio frequency interference |
| title_sort | blind sinr estimation for ofdm system in the presence of radio frequency interference |
| topic | OFDM cyclostationarity properties radio frequency interference signal-to-interference-plus-noise ratio es-timation |
| url | http://www.joconline.com.cn/zh/article/doi/10.3969/j.issn.1000-436x.2014.06.016/ |
| work_keys_str_mv | AT shunlihong blindsinrestimationforofdmsysteminthepresenceofradiofrequencyinterference AT youmingli blindsinrestimationforofdmsysteminthepresenceofradiofrequencyinterference AT mingjin blindsinrestimationforofdmsysteminthepresenceofradiofrequencyinterference AT gangwang blindsinrestimationforofdmsysteminthepresenceofradiofrequencyinterference |