JP2009509453A - 2以上の無線インターフェースで並行して動作する無線移動局における干渉除去のための装置及び方法 - Google Patents
2以上の無線インターフェースで並行して動作する無線移動局における干渉除去のための装置及び方法 Download PDFInfo
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- JP2009509453A JP2009509453A JP2008532161A JP2008532161A JP2009509453A JP 2009509453 A JP2009509453 A JP 2009509453A JP 2008532161 A JP2008532161 A JP 2008532161A JP 2008532161 A JP2008532161 A JP 2008532161A JP 2009509453 A JP2009509453 A JP 2009509453A
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- Prior art keywords
- wireless communication
- mobile station
- communication mode
- antenna
- interference cancellation
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- 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
-
- 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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
-
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/002—Reducing depolarization effects
-
- 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
- H04B7/10—Polarisation diversity; Directional diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
Abstract
Description
112 マルチモード移動局(MS)
305、307 アンテナ
310 RF送受信器
340 メインプロセッサー
410 最小二乗平均(Least-Mean-Squares:LMS)干渉除去
Claims (17)
- 第1の分極を有する第1のアンテナを使用する第1の無線通信モードで通信するステップと、
前記第1の分極と実質的に直交する第2の分極を有する第2のアンテナを使用する第2の無線通信モードで、前記第1の無線通信モードでの通信と並行して通信するステップと、
を含むことを特徴とする移動局での干渉除去のための方法。 - 前記第1の無線通信モードでの通信と前記第2の無線通信モードでの通信との間で干渉除去過程を遂行するステップをさらに含むことを特徴とする請求項1に記載の方法。
- 前記干渉除去過程は、干渉及びブロッキング信号を除去するために、前記第1及び第2のモードで通信をデジタル的に結合することを含むことを特徴とする請求項2に記載の方法。
- 前記干渉除去過程は、最小二乗平均(LMS)有限インパルス応答(FIR)プロセッサーを使用して少なくとも一部が遂行されることを特徴とする請求項2に記載の方法。
- 前記第1の無線通信モード及び前記第2の無線通信モードは、CDMA2000、1xEV/DO、WCDMA、GSM、及びIEEE802.16eで構成されるグループからそれぞれ選択されることを特徴とする請求項1に記載の方法。
- 前記第1の無線通信モード及び前記第2の無線通信モードは、同一の周波数帯域にあることを特徴とする請求項1に記載の方法。
- 第1の分極を有する第1のアンテナと、
前記第1の分極と実質的に直交する第2の分極を有する第2のアンテナと、
プロセッサーと、を含み、
前記第1のアンテナを使用する第1の無線通信モードで通信し、
前記第1の無線通信モードでの通信と並行して前記第2のアンテナを使用する第2の無線通信モードで通信するように構成されることを特徴とする無線ネットワークで通信可能な移動局。 - 前記移動局は、前記第1の無線通信モードでの前記通信と前記第2の無線通信モードでの前記通信との間で干渉除去過程を遂行するようにさらに構成されることを特徴とする請求項7に記載の移動局。
- 前記干渉除去過程は、干渉及びブロッキング信号を除去するために、前記第1及び第2のモードで通信をデジタル的に結合することを特徴とする請求項8に記載の移動局。
- 前記干渉除去過程は、最小二乗平均(LMS)有限インパルス応答(FIR)プロセッサーを使用して少なくとも一部が遂行されることを特徴とする請求項8に記載の移動局。
- 前記第1の無線通信モード及び前記第2の無線通信モードは、CDMA2000、1xEV/DO、WCDMA、GSM、及びIEEE802.16eで構成されるグループからそれぞれ選択されることを特徴とする請求項7に記載の移動局。
- 前記第1の無線通信モード及び前記第2の無線通信モードは、同一の周波数帯域にあることを特徴とする請求項7に記載の移動局。
- 第1の無線信号を受信するための第1の分極を有する第1のアンテナと、
第2の無線信号を受信するために、前記第1の分極と直交する第2の分極を有する第2のアンテナと、
前記第1及び第2の無線信号に対応して、信号を受信する第1及び第2のアンテナに接続された干渉除去段と、
を含むことを特徴とする無線ネットワークで通信することができる移動局。 - 前記干渉除去段は、最小二乗平均(LMS)有限インパルス応答(FIR)プロセッサーを含むことを特徴とする請求項13に記載の移動局。
- 前記干渉除去段は、少なくとも1つの信号の信号強度を調整する増幅器を含むことを特徴とする請求項13に記載の移動局。
- 前記干渉除去段は、少なくとも1つの信号の時間遅延を調整するための時間調整回路を含むことを特徴とする請求項13に記載の移動局。
- 前記干渉除去段は、第1及び第2の無線信号に対応して、信号を減算するためのクロスポール結合器を含むことを特徴とする請求項13に記載の移動局。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/232,346 | 2005-09-21 | ||
US11/232,346 US7761075B2 (en) | 2005-09-21 | 2005-09-21 | Apparatus and method for interference cancellation in wireless mobile stations operating concurrently on two or more air interfaces |
PCT/KR2006/003738 WO2007035040A1 (en) | 2005-09-21 | 2006-09-20 | Apparatus and method for interference cancellation in wireless mobile stations operating concurrently on two or more air interfaces |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009509453A true JP2009509453A (ja) | 2009-03-05 |
JP4864973B2 JP4864973B2 (ja) | 2012-02-01 |
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Application Number | Title | Priority Date | Filing Date |
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JP2008532161A Expired - Fee Related JP4864973B2 (ja) | 2005-09-21 | 2006-09-20 | 2以上の無線インターフェースで並行して動作する無線移動局における干渉除去のための装置及び方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7761075B2 (ja) |
EP (1) | EP1935115B1 (ja) |
JP (1) | JP4864973B2 (ja) |
KR (1) | KR100981512B1 (ja) |
CN (1) | CN101268628B (ja) |
WO (1) | WO2007035040A1 (ja) |
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- 2006-09-20 JP JP2008532161A patent/JP4864973B2/ja not_active Expired - Fee Related
- 2006-09-20 KR KR1020087006861A patent/KR100981512B1/ko active IP Right Grant
- 2006-09-20 EP EP06798821.2A patent/EP1935115B1/en not_active Ceased
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Also Published As
Publication number | Publication date |
---|---|
WO2007035040A1 (en) | 2007-03-29 |
KR20080036234A (ko) | 2008-04-25 |
US7761075B2 (en) | 2010-07-20 |
CN101268628A (zh) | 2008-09-17 |
EP1935115A1 (en) | 2008-06-25 |
EP1935115A4 (en) | 2013-03-27 |
EP1935115B1 (en) | 2016-03-02 |
CN101268628B (zh) | 2013-01-23 |
US20070066226A1 (en) | 2007-03-22 |
JP4864973B2 (ja) | 2012-02-01 |
KR100981512B1 (ko) | 2010-09-10 |
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