8/10/2019 Malika Green Report.
1/32
ADAPTIVE ANTENNAS ON MOBILE HANDSETS
MALIKA GREENEPUBLIC WIRELESS SYSTEM
JUNE 2002
1
8/10/2019 Malika Green Report.
2/32
LIST OF TERMS AND ABBREVIATIONS
3G 3 rd GenerationBER Bit Error RateC MA Code i!i"ion M#$ti%$e A&&e""CIR Carrier to Inter'eren&eSP i(ita$ Si(na$ Pro&e""in(E GE En)an&ed ata Rate" 'or G$o*a$ E!o$#tionEGC E+#a$ (ain &o,*inin(- MA -re+#en&. i!i"ion M#$ti%$e A&&e""GPRS Genera$ Pa&/et Radio Ser!i&eGSBB Geo,etri&a$$. *a"ed "in($e *o#n&eGSM G$o*a$ S."te, 'or Mo*i$e Co,,#ni&ation"
ISI Inter".,*o$ Inter'eren&eA #adri'i$ar e$i AntennaLC-CM Loo"e$. Corre$ated 'adin( &)anne$ ,ode$MAAT Antenna Arra. Te"t*edMPRG Mo*i$e Porta*$e Radio Gro#%
NL S Non $ine o' Si()t- M rt)o(ona$ -re+#en&. i!i"ion Mod#$ationPCB Printed Cirit BoardR- Radio -re+#en&.SC-CM S%atia$$. &orre$ated 'adin( &)anne$ ,ode$S MA S%a&e i!i"ion M#$ti%$e A&&e""
SNR Si(na$ to Noi"eT MA Ti,e i!i"ion M#$ti%$e A&&e""UMTS Uni!er"a$ Mo*i$e Te$e&o,,#ni&ation" S."te,WC MA Wide*and Code i!i"ion M#$ti%$e A&&e""WLAN Wire$e"" Lo&a$ Area Net4or/
2
8/10/2019 Malika Green Report.
3/32
CONTENTS
15 A&/no4$ed(e,ent
25 A*"tra&t
35 Introd#&tion
65 Te&)ni&a$ ana$."i"
4.1 What is a smart antenna?
4.2 Types of smart antenna
4.3 Adaptive antenna, what are they?
4.4 Techniques used for adaptive antennas
4.5 Type of adaptive antenna
4. !enefits of "mart adaptive array antennas over other antenna
4.# "chematic view of the front for a smart antenna handset
4.$ Access technique used for adaptive antennas
4.% &ead 'ones
75 Re"ear&) i""#e"
85 Con&$#"ion
95 Re&o,,endation"
:5 Re'eren&e";5 A%%endi&e"
%.1 (niversities researchin) adaptive antennas on handsets
%.2 *ea+th studies surroundin) the use of adaptive antennas on
handsets.
3
8/10/2019 Malika Green Report.
4/32
6
8/10/2019 Malika Green Report.
5/32
1. ACKNOWLEDGEMENT
T)e a#t)or 4o#$d $i/e to t)an/ ,e,*er" o' PWN 'or t)eir "#%%ort and ad!i&e d#rin(t)e %rod#&tion o' t)i" re%ort< and a$"o to t)e !ario#" Ce$$#$ar net4or/ o%erator"D
Red#&tion o' ,#$tiD %at) 'adin( S#%%re""ion o' inter'eren&e "i(na$" I,%ro!e,ent" o' &a$$ re$ia*i$it. Lo4erin( t)e "%e&i'i& a*"or%tion rate @SAR Miti(ation a(ain"t dead Fone" In&rea"ed data rate" S%e&tra$ e''i&ien&.5
Con!entiona$ &e$$#$ar antenna" tran",it ener(. o!er t)e entire &e$$< 4)erea" ada%ti!eantenna" &o,*ine t)e tran",ittin( ener(. to a narro4 *ea,5 T)e &on!entiona$antenna" &a#"e &o#%$in( o' t)e )and and t)e )ead *#t t)ere i" no &o#%$in( o' t)e )andand t)e )ead 4it) ada%ti!e antenna"5
Ne4 te&)no$o(ie" #nder de!e$o%,ent ie ",a$$< "o$id "tate antenna a" ,an#'a&t#red *.Anteno!a 27H and t)e #adri'i$ar )e$i antenna @ A %rod#&ed *. S#rre.Uni!er"it. and !ario#" ot)er t.%e" )a!e ,ade t)e ada%ti!e antenna on )and"et" a
%ra&ti&a$ %o""i*i$it.5
To an o%erator< t)i" 4o#$d ,ean red#&tion in in'ra"tr#&t#re &o"t a" t)e n#,*er o' *a"e"tation" 4o#$d *e red#&ed< in&rea"e in t)e n#,*er o' #"er" and in&rea"e in t)e datarate" %er "+#are /i$o,etre5
So,e re"ear&)er" )a!e %ro%o"ed t)e di!er"it. te&)ni+#e at t)e )and"et" #"in( t4oada%ti!e antenna" on t)e )and"et" and "o,e )a!e done re"ear&) 4it) 'o#r antenna" ont)e )and"et"5
8
8/10/2019 Malika Green Report.
7/32
8/10/2019 Malika Green Report.
8/32
Dynamically phased arrays
B. in&$#din( a dire&tion o' arri!e a$(orit), 'or t)e "i(na$ re&ei!ed 'ro, t)e #"erMana(in( Te$e&o,,#ni&ation" and Net4or/in(
Te&)no$o(ie" in t)e 21 "t Cent#r.< ?A Ne4 B#"ine"" i,en"ion> S MA andInte$$i(ent Antenna"< %597
25 MIC IGAN TEC N L GICAL UNI ERSITY@2001 > ?T.%e" o' S,artAntenna" )tt%> 4445(eo&itie"5&o, )a,"ad)4ani: ",artantenna" t.%e"5)t,$
@18t)
Ma. ?S,art Antenna" 4445en(5#t"5ed#5a# /&)#n( ",art5)t, @18t) Ma. ?Are S,art Antenna" t)e 4a. to NonDLineDo'DSi()t)tt%> 4445")ore&$i''&o,,#ni&ation"5&o, ,a(aFine !o$#,e5a"% @18t) Ma. ?Ke. Re"ear&) I""#e" %51D3 itri5$o.o$a5ed# 4ire$e"" 08Q085)t, @16t) Ma.?Wire$e"" Co,,#ni&ation" @1 "t Ma.< 2002
95 PUR UE UNI ERSITY@2000 > ?Wire$e"" Net Ma. Re+#ire S,art Antenna" 4445"&ien&edai$.5&o, re$ea"e" 2000 07 007170:79775)t, @:t) A%ri$ ?S,art Antenna Te&)no$o(ie" < IEEE Wor/")o%;5 ANTEN A> @2002 > In'or,ation S)eet (i!en to P#*$i& Wire$e"" Net4or/" Unit
23
http://www.geocities.com/hamsadhwani8/smartantennas/types.htmlhttp://www.eng.uts.edu.au/~kchung/smart.htmhttp://www.shorecliffcommunications.com/magazine/volume.asphttp://itri.loyola.edu/wireless/06_06.htmhttp://www.sciencedaily.com/releases%5C2000%5C05%5C00515085755.htmhttp://www.geocities.com/hamsadhwani8/smartantennas/types.htmlhttp://www.eng.uts.edu.au/~kchung/smart.htmhttp://www.shorecliffcommunications.com/magazine/volume.asphttp://itri.loyola.edu/wireless/06_06.htmhttp://www.sciencedaily.com/releases%5C2000%5C05%5C00515085755.htm8/10/2019 Malika Green Report.
24/32
105 C RIST UL U C5 and ERSC ICI N5 @2000 > ?S,art Antenna" inWire$e"" Co,,#ni&ation"> Ba"eDStation i!er"it. and and"et Bea,'or,in( ?Narro4*and Tran",it
i!er"it. Mea"#re,ent" at t)e and"et 'or an Indoor En!iron,ent 51;5 W NG K5< C ENG R5S5K5< LETAIE- K5B5 and MURC R5 5@2001 >IEEE
Tran"a&tion" on Co,,#ni&ation" < o$5 6; @1 ?Ada%ti!e antenna" at t)e Mo*i$eand Ba"e Station" in an - M T MA S."te, 5
205 BRAUN C5< NILSS N M5 and MURC R5 5@1;;; > INSTITUTE -ELECTRICAL AN ELECTR NIC ENGINEERS< ?Mea"#re,ent o' t)eInter'eren&e Re=e&tion Ca%a*i$it. o' S,art Antenna" on Mo*i$e Te$e%)one"
215 LEYTEN L5 and LMANS G5 @1;;; > INSTITUTE - ELECTRICALENGINEERS< ?Per'or,an&e "t#d. o' an ada%ti!e d#a$ antenna )and"et 'or indoor &o,,#ni&ation"
225 KNU SEN M5B5< JENNER M5 and PE ERSEN G5-5@2000 > ?-rontend 'or S,artAntenna S."te, 'or Inter'eren&e Red#&tion in a GSM GPRS E GE UMTSand"et )tt%> te$e5a#&5d/ "e,e"terin'o ";r'de2000 %ro=%ro%" R-QP)a"ed65)t, @1"t Ma. IEEE Wor/")o% on Ne4 E,er(in( Te&)no$o(ie"R#t(er" Uni!er"it.< ?S,art Antenna Te&)no$o(ie" )tt%> e"$5en(5o)ioD"tate5ed#
265 C RIST UL U C5G5 and GE RGI P UL S M5@2001 > Pro&eedin(" o' SPIE O T)e Internationa$ So&iet. 'or %ti&a$ En(ineerin( < o$5 63;7< ?S,artAda%ti!e arra. antenna" 'or 4ire$e"" &o,,#ni&ation" 5
275 KABACIK P5 and KUC ARSKI A5@1;;; > IEEE Antenna and Pro%a(ationSo&iet. Internationa$ S.,%o"i#,< ?P$anar )and"et antenna" 4it) e$e&troni&a$$.
"teera*$e %ara,eter"285 BRAN A A5 @2001 >Mana(in( Te$e&o,,#ni&ation" and Net4or/in(Te&)no$o(ie" in t)e 21 "t Cent#r.< ?A Ne4 B#"ine"" i,en"ion> S MA andInte$$i(ent Antenna"< %%59:D9;5
295 WINTERS J5 5@1;;: > IEEE Per"ona$ Co,,#ni&ation" Jo#rna$ o$57 @1 < ?S,artAntenna" 'or Wire$e"" S."te," < %523D295
2:5 STI WELL A5@2001 > ?Ada%ti!e Antenna" in Ter,ina$" < In'or,ation ")eet (i!ento t)e RA5
2;5 GRA AMDR WE 5@2000 > ?Lo#der and &$earer < Ne4 S&ienti"t e'inition o' t)e re'eren&e $ine" and %oint"< on t)e %)one and on t)e %)anto, and initia$ %o"ition
31
8/10/2019 Malika Green Report.
32/32
-i(#re 2> C)ee/ and ti$ted %o"ition" o' t)e ,o*i$e %)one on t)e $e't "ide
T)e TCP need" to *e ,ea"#red 4)en t)e %)one i" in #"e and e''e&ted *. t)e )#,an)ead5 -or SAR ,ea"#re,ent"< t)e )#,an )ead i" re%$a&ed *. a )ead %)anto,< andt)ere e i"t" 4e$$ de'ined %o"ition" o' t)e %)one re$ati!e to t)e )ead %)anto, 'or 4)i&)te"t" are to *e %er'or,ed5 T)e %o"ition" are re'erred to a" &)ee/ and ti$ted
%o"ition" on t)e $e't and ri()t "ide" o' t)e %)anto,5
T)e &o,%an. B$#ete"t )a!e de!e$o%ed a ne4 ,ea"#rin( "."te, 'or ,ea"#rin( )ead
$o""e" 'ro, ,o*i$e %)one" and are "e$$in( t)e e+#i%,ent a$$ o!er t)e 4or$d5 It,ea"#re" t)i" a$"o 'or )and"et antenna" 4it) di!er"it. or "teera*$e antenna"< inaddition it &an a$"o ,ea"#re t)e di!er"it. (ain5
Top Related