CN1233374A - 估算使用天线阵列和空间处理的通信系统的参数的方法和设备 - Google Patents
估算使用天线阵列和空间处理的通信系统的参数的方法和设备 Download PDFInfo
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- CN1233374A CN1233374A CN97198740A CN97198740A CN1233374A CN 1233374 A CN1233374 A CN 1233374A CN 97198740 A CN97198740 A CN 97198740A CN 97198740 A CN97198740 A CN 97198740A CN 1233374 A CN1233374 A CN 1233374A
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- 238000000034 method Methods 0.000 title claims abstract description 106
- 230000006854 communication Effects 0.000 title claims abstract description 61
- 238000004891 communication Methods 0.000 title claims abstract description 60
- 238000012545 processing Methods 0.000 title abstract description 5
- 238000003491 array Methods 0.000 title 1
- 239000013598 vector Substances 0.000 claims abstract description 74
- 230000006870 function Effects 0.000 claims description 85
- 238000005070 sampling Methods 0.000 claims description 45
- 239000011159 matrix material Substances 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000012937 correction Methods 0.000 claims description 10
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000002939 conjugate gradient method Methods 0.000 claims description 7
- 230000010076 replication Effects 0.000 claims description 7
- 238000013459 approach Methods 0.000 claims description 4
- 238000013508 migration Methods 0.000 claims description 4
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- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
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- 230000006872 improvement Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 230000010267 cellular communication Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/28—Cell structures using beam steering
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
x=0; sk=b; for k=1:4 rk=sk AH; if(k=1) pk=rk; 1_r=rk(:)Hrk(:); else rk OLDLen2=1_r; 1_r=rk(:)Hrk(:); bk=1_r/rk OLDLen2; pk=rk+pkbk; end qk=pkA; a=1_r/qk(:)Hqk(:); x=x+akpk; sk=sk-akpk; end
a_pos=1; a_neg=1; c_pos=0; c_neg=0; for n=1,...,N/L if PIm’(n)>0 a”_pos=a_pos; a_pos*=P’(n) if((Re{a”_pos}Re{a”_pos})(Re{a_pos}Im{a_pos})<0) c_pos+=1; else a”_neg=a_neg; a_neg*=P’(n) if((Re{a”_neg}Re{a”_neg})(Re{a_neg}Im{a_neg})<0) c_neg+=1; a_tot=(a_pos exp{-j(c_pos mod 4)π/2}) ·(a_neg exp{j(c_neg\mod 4)π/2}) tot=2(Im a_tot>0)-1; Ave{ep(n)}=(∠(a_tot exp{-j totπ/4}) +(c_pos-c_neg+tot/2)π/2)/(N/L);
Claims (52)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/729,386 US5930243A (en) | 1996-10-11 | 1996-10-11 | Method and apparatus for estimating parameters of a communication system using antenna arrays and spatial processing |
US08/729,386 | 1996-10-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1233374A true CN1233374A (zh) | 1999-10-27 |
CN1201602C CN1201602C (zh) | 2005-05-11 |
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Application Number | Title | Priority Date | Filing Date |
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CNB971987408A Expired - Lifetime CN1201602C (zh) | 1996-10-11 | 1997-10-10 | 估算使用天线阵列和空间处理的通信系统的参数的方法和设备 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5930243A (zh) |
EP (1) | EP0947107A4 (zh) |
JP (2) | JP2001502500A (zh) |
CN (1) | CN1201602C (zh) |
AU (1) | AU4756497A (zh) |
BR (1) | BR9711895B1 (zh) |
CA (1) | CA2268260A1 (zh) |
WO (1) | WO1998017071A1 (zh) |
Cited By (4)
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CN100375407C (zh) * | 2001-04-24 | 2008-03-12 | 阿雷伊通讯有限责任公司 | 无线电通信系统中使用训练序列的空间处理和定时估算 |
CN1960511B (zh) * | 2006-09-01 | 2010-05-26 | Ut斯达康(中国)有限公司 | 在个人便携电话系统中实现半速率业务的空中接口方法 |
CN1780180B (zh) * | 2004-11-24 | 2011-11-09 | 朗迅科技公司 | 在链路上的接入点和多个无线设备之间传送数据 |
CN104393414A (zh) * | 2014-11-21 | 2015-03-04 | 西安电子科技大学 | 基于时间调制共形相控阵列的快速方向图综合方法 |
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-
1997
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- 1997-10-10 CA CA002268260A patent/CA2268260A1/en not_active Abandoned
- 1997-10-10 CN CNB971987408A patent/CN1201602C/zh not_active Expired - Lifetime
- 1997-10-10 BR BRPI9711895-8A patent/BR9711895B1/pt not_active IP Right Cessation
- 1997-10-10 WO PCT/US1997/018535 patent/WO1998017071A1/en not_active Application Discontinuation
- 1997-10-10 AU AU47564/97A patent/AU4756497A/en not_active Abandoned
- 1997-10-10 EP EP97910103A patent/EP0947107A4/en not_active Withdrawn
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2002
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100375407C (zh) * | 2001-04-24 | 2008-03-12 | 阿雷伊通讯有限责任公司 | 无线电通信系统中使用训练序列的空间处理和定时估算 |
CN1780180B (zh) * | 2004-11-24 | 2011-11-09 | 朗迅科技公司 | 在链路上的接入点和多个无线设备之间传送数据 |
CN1960511B (zh) * | 2006-09-01 | 2010-05-26 | Ut斯达康(中国)有限公司 | 在个人便携电话系统中实现半速率业务的空中接口方法 |
CN104393414A (zh) * | 2014-11-21 | 2015-03-04 | 西安电子科技大学 | 基于时间调制共形相控阵列的快速方向图综合方法 |
CN104393414B (zh) * | 2014-11-21 | 2017-04-19 | 西安电子科技大学 | 基于时间调制共形相控阵列的快速方向图综合方法 |
Also Published As
Publication number | Publication date |
---|---|
US5930243A (en) | 1999-07-27 |
EP0947107A4 (en) | 2002-03-27 |
CN1201602C (zh) | 2005-05-11 |
JP2003032181A (ja) | 2003-01-31 |
BR9711895B1 (pt) | 2011-12-13 |
BR9711895A (pt) | 1999-08-24 |
JP2001502500A (ja) | 2001-02-20 |
AU4756497A (en) | 1998-05-11 |
CA2268260A1 (en) | 1998-04-23 |
EP0947107A1 (en) | 1999-10-06 |
WO1998017071A1 (en) | 1998-04-23 |
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