Malika Green Report.

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ADAPTIVE ANTENNAS ON MOBILE HANDSETS

MALIKA GREENEPUBLIC WIRELESS SYSTEM

JUNE 2002

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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/

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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.

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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

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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

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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.htm


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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

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-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

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