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1ஹᑨ⚪1.X2E-NodeBḄ2.•◣⚣!"#Ḅ$%&150kHzḄᱥᳮ./0&./ᙽPRB┯5PRBᙠ⚣!ᒹ812"#9:;ᙠ!ᒹ87"#ḄOFDMAB஺ᓽ⚣$%&180kHz,G%&0.5ms1◣3.KL5ᜩNO5OFDMᡈὅSC-FDMAAB!Ḅ59:;UḄ5ᓫᐗXY./ᓫᐗRE4.LTEḄᜩNO]^▭ḄᱥᳮᜩNO55U┯1.1ᜩNOᜩN`aO]ᜩNᱥᳮO5ᜩNOantennaportgh5ᱥᳮijᜩNkghlᱥᳮijᜩNḄᔠn஺ᙠopqrstuOUEḄᦈxReceiver|}~ᑖᩭ5ᜩNOḄB&uOḄ%ᩭ}⍝ᵫᓫᱥᳮijᜩNᡂḄᵫlᱥᳮijᜩNᔠnᡂḄoᜩNOUḄὃBReferenceSignaloᜩNOuO|gh᪷oὃBᑮoᜩNOḄ⍝஺LTEᨬl4¡¢ᜩNO£UE¤ᑮ¥¦§Ḅ⍝LᜧNOᑖ©UᱯḄὃB«¬஺&®¯¡ᑁ}±ḄᜩNOḄ²³´᡾,᝞·5./ᐗ¸Resourceelementᵨᩭ»¼5ᜩNOḄὃB½¾ᐸÀᜩNO!²UḄ./ᐗ¸ÁÂ}ᵨ஺LTEuOÃᵨὃBUḄ¦§ḄÄ5ᜩNO஺uOÃᵨὃBÅᙠᑖÆÇ»¼«¬7transmissionmodeḄuOḄ./ᙽResourceBlock!»¼ᙠoÈ./ᙽ!¡¢ὃBkᙠ»¼oq»¼«¬tuO᪷uOÃᵨὃBÉÊ⍝ËᦪÍ஺uOÃᵨὃB5ÎᵨK;ÏÐbeamforming,£ÒÓeNodeB5ÎÔᵨ5ᱥᳮᜩN▣ᑡᩭ×Øᔣᑮ•uOḄ;Ïo;ÏÚ⊤•}±Ḅ⍝£◤⌕᪷uOÃᵨὃBÉÊ⍝ËᦪÍ஺Þ5ᜩNO5⍝uO◤⌕᪷oᜩNOUḄὃBÉÊ⍝ËᦪÍ஺5.LTEßàᙠ4ᜩNOi〈rstḄ»¼ᑖâᢈäåᵨSFBC]FSTDæᔠḄç¬

1pᜩNO5SFBCᜩNO□—SFBC+FSTD
⚣ᙽṹ⚣᳛ᑖᜩêë•ᜩ0213
ᜩὅ"#SFBC;•ᜩ0ᑴᜩ01ᙠ⚣%&'(〈*ὅ"#FSTD:•ᜩ1Ḅ,ᣚ23〈./Ḅ'ᣚ*0FSTD஺6.¡ghᙠhX2!íᣚï:ᢣñò01óOverloadIndicator,ᵨᩭÉÊ¡Ḅ!Êõ᳛÷ᑴ┯஺ù&!ÊÍ%Ëõ᳛÷ᑴḄᦪᙠ¡X2!í³Ḅòᨵpqó1ï:ᢣñ01óOverloadIndicator:ᢣñü¡LPRB!ýᑮḄ!Ê´᡾rs஺2þ´᡾ᢣñHIIóHighInterferenceIndicatorᢣPRB᡾Ḅ!"஺ᙠ1C1C'(HII*+,-.Ḅ᡾Ḅ“⚜1”(01*4⌕-.Ḅ᡾Ḅᢣ஺7.LTE;<=>?@ABCD?@ABE8.LTEᱯឋCIJKL⚜IᨵN⌕ḄOP(QRᙠKL⚜IST'◤⌕VWROP஺E1.2KL⚜ITDJTE23⚜5Ẇ7.pdf9.᝞Z[ᵨTD-LTE_`ab(cd[ᵨ8ᜩfghib(2ᜩfklmnib஺E┯1.3LTE2/8ᜩfab1.3.12/8ᜩfpᵨ'◤⌕qᔠὃ⇋ḄQu⌚w:

2yzA⍝,8ᜩf}2ᜩfᜧᨵ3~4dBḄEὃ⇋᡾ᑣᜧ஺yzA⍝⌚w▲Ḅ(VWCᙳᔢ஺ᑴA⍝(2ᜩf}8ᜩfᜧᨵldBḄ஺•ᔢ8ᜩf2ᜩfᙠᔢᨵᜧ•ᡂ8ᜩf}2ᜩf(ibᡂᨵ¡¢£•¤¥¦8ᜩf§¨Ḅ¤¥¦©ª«2ᜩf§¨1.3.22/8ᜩf¬}pᜩfᢈ¯pᵨi°•±/³´᜜¶·⌚w:i°¸¹8º⍝§¨(»¢⌱4+4¾᩽ᓄᜩfÁÂ஺ᙠÃgÄ᛻ÆÇᵨÈÉÊË(ÌÍÎÏḄ!"ÐEÑ60KM/hᑗᣚᑮÙÚÛᵨ/-ÜᑖÞ•´ᑁ⌚wi°¸¹ᓫ/¾º⍝§¨(Çᵨᓫᜩf-Ü/-ÜᑖÞ/ÙÚÛᓺ•´᜜âã/äã⌚wi°¸¹2º⍝§¨(Çᵨ-ÜᑖÞ/ÙÚÛᵨ•«Î
120KM/h⌚wi°¸¹2º⍝§¨(Çᵨ-ÜᑖÞ/åÄÙÚÛᵨ10.[ᵨÙᑖÛᵨ»æç«ᵨᡝḄéêÎ᳛஺E11.ì3G_`î(ï±ðñÞ(᝞CBDò(´ᑁyz⌕ó«஺E12.´ᑖ_`iô'põö÷´ᑁᵨᡝᑗᣚᑮ´᜜E13.øùúḄ⌚wûü(k¡lçᓣ⌚wឋl஺E14.KL⚜IḄ⌚wþÿᵫᵨᡝ᳛⌕Ḅ஺┯⚜Ḅ⌚ᵫᵨᡝ᳛⌕Ḅ஺15.ᡠ!"#$%&'()*+,-ḄQ0S⌕஺┯1.4$%&TD-LTE$%678ᔠᑖ᪆.16.0FDM?⍝ABCDEFGHḄᦪ%஺J17.OFDMM!ᙠOPḄ⚣A⌱SOPḄTᑴVṹXY'Z[Ḅ〉]⚣᳛⌱Sឋ⊦`஺J⚣᳛⌱Sឋ⊦`'ab᡾Ḅ⚣᳛d]ᕈfᕜhឋḄ⊦`'iᙠj?kᳮm

3("⚣᳛⌱Sឋ⊦`"'ᙠOP⚣op⊦`ᱯឋOr᪵஺18.rtu◣OPḄOFDMwxḄyz{|}~P┯᝞ᵨCP,ᑣrtOFDMwxḄyz{|}~⌕ᐸOFDMwxḄyz{|}᝞ᵨ}CP,ᑣrtu◣ᑁḄᡠᨵOFDMwxḄCPᐰP஺19.MCHOᢝHARQ'(p#✄஺J20.LTEp#ᢝMU-MIMO,irMIMOY஺JMU-MIMOᙠLTE-Af஺21.LTEḄrtᐺᱯ¡M!ᙠ⚣¢"#?⍝T~£᳛¤ᑴ஺J22.LTEp¥#¦§¨ᵨḄᨬª«¬ᓫ®RE஺J23.JEPrtUE,PUSCH£PUCCHM!Pu"#¦§஺┯('UE¯6j°PUCCH±M!²⍝eNB᝞³T~´µḄ'ᡠ!¯ᨵᐜ)·PUCCH,±6¸²᝞³¸¹PUSCHḄ«¬24.E-UTRAªº»¼½E¾P¿?xஹÁP¿?xஹ!Â¥#Ãὃ?xᡂ஺J25.LTEᢝp¥#Æ᳛¤ᑴ஺┯p#Æ᳛¤ᑴஹÇ#Æ᳛ᑖÈPowerBoosting
26.LTEᢝFDDஹTDDÉÊËXY஺J27.LTEp¥#ᙳᵨOFDMAaᙬXY஺┯p#SC-OFDMA,Ç#OFDMA28.ᵨªºÎb᡾ᢓᑴᢈÑMÒÓªºḄᦪÔ᳛£ÕÖ$%×J29.«¬T~Ḅᨬªᓫ®RBG஺┯RBs30.ØLTEÙÚᜩÜ'ÝᙠᡠᨵᜩÜᑖÞÆ᳛஺J31.JE¤ᑴ?⍝PDCCH,ÈßOPḄCCE×àᨵOP⌚஺J32.áMIMOâã¥'Oäp#£¥#'ᙠåtTH1ms
¯æçrt¦§ᙽ஺J33.PHICHwxtᦪᵫPBCH¸¹JPHICHéᦪ=Ng*N/8
NormalXY¥'åtPHICHéᵫ8tPHICHᔠêᙠrë'⚣¢pᓰᵨ3tREGM!ᑖíY᧜ï'ᩭ¸¹ᑖñÙò'u¢pᙠFóḄrtOFDMwxp஺ExtendedXY¥'åtPHICHéᵫ4tPHICHôᵨᙠrë'⚣¢ᓃ2tPHICHéᓰ

4ᵨ3tREG஺ùu᝞PDCCHÈß(3u''PHICHM!ᓰᵨatOFDMwxp஺34.ᙠ᦮
ᑁᡠᨵ⚣SCḄ᳛஺35.ᜩᢝ2᪷ᡈ4᪷ᜩ஺ṹ&ᨬᜧᦪ*+2,-ᜩᦪ*.ᨵ/ᯠᐵ
36.ᑖ4Ḅ5⌕7ᳮ+ᑭᵨ;<=⍝Ḅ?ᐵឋAᔠC

550.LTE
ØᵨÙûᑗᣚᢈÿ஺
ᑗᣚ
┯1.5ᔜḄHOInter-eNBIntra-frequencyHandover-OverviewX2-basedhandoverwithoutServingGWrelocationisshowninthefollowingfigures.

6X2-BasedHOSISI-BasedHO51.ᙠLTEDRXḄ☟᝱஺
52.MU-MIMOᓫᵨᡝḄ#ᔢ᳛&SU-MIMO'()ᙳ#ᔢ᳛஺
┯SU-MIMO+,-ᵨḄᦪ/0123ᓫ4Ḅᵨᡝᓣ6ᵨᡝḄ789᳛

7;⚣=ᦔ᳛ᓫᵨᡝḄ#ᔢ᳛஺MU-MIMO+,-ᵨḄᦪ/01?3ᵨᡝ?3ᵨᡝ+ᑖABᐳDE2F⚣GHIJ+,KḄ?ᵨᡝLMN᜜Ḅ?ᵨᡝᑖPQR'()ᙳ#ᔢ᳛஺53.PDCCHS⍝UᵫCCEWᡂYEḄZᑴS⍝\B]^_YEḄCCEᦪ`஺
54.᪷/cdeḄQOS⌕g,deijᑖkᨬ'mn9᳛;ᨬᜧmn9᳛p஺
┯᪷/QOSḄYEdeijᑖkᨬ'mnqᱯ᳛ij
GBR
ஹtmnqᱯ᳛ijNon-GBR
ᨬ'mnqᱯ᳛ijGBR
uᵨᩭwVoIPde஺xyijᐹᨵᱯ^ḄGBR|ᙠijḄ}~/ᦋ1ᑖ^Ḅᵨ78GH஺tmnqᱯ᳛ijNon-GBR
uYmnᱯ^Ḅqᱯ᳛஺xyijᵨ⚓;FTP78஺xyijYkᐸᑖ^ḄGH஺ᨬᜧmn9᳛AMBR
ᢣḄUᓫUEᩭᐸᨬᜧ789᳛Ḅ▲ᑴ55.ᙠLTEIJᔜ3ᵨᡝḄPHICH(ᑖUṹᑖᩭḄ஺
23PHICHWᒹ83PHICHS
UACK/NACKSU┐YEPUSCHḄᓫUYEᵨᡝ஺YEPHICHS¡Kwalshṹ(ᑖ56.¢£¤¥¤ABᙠLTEᑖkᕜ§ឋ¤;©ª«¬¤p
57.LTE®^¯ḄᔜMIMOABFDDIJ;TDDIJ°〉ᵨ
┯58.LTEᱥᳮ´GHᙽᙠNP\B¶⚣·¸¹ᓰᵨ123k15KHzḄ»j¼•
59.eNB¾,X2¿ÀÁSÁ'(,ÂᓄḄÄÅGHÆᳮ஺
60.E-UTRAIJÇᑮḄÉ|9᳛ÊUEËÌᨵᐵIÎÊENBËᨵᐵI஺
┯YEḄUEᑮÇḄᦪ/9᳛UY2᪵ḄCategory12345PeakrateDL1050100ISO300MbpsULs25SOso75CapabilityfoephysicalfunctlonaHtiesRFbandwidth20MHzModulationDLQPSK,160AM,64QAMUIQf»SK16QAMQPSKrr16QAM,64QAM2RxcHvefshyA&uimedInperformancerequirements.2x2MIMONotMandatorysupported4x4MIMONotsupportedMandatory61.S1¿ÀḄᵨᡝ☢ÑÒᙠSGWZᑴ☢ÑÒᙠMMEh


862.Õᵨ▤ᜩÅMIMOᢈÜ;ÝÞ78ᢈÜ'(ßàឋ஺
┯63.Õᵨ▤ᜩÅMIMOᢈÜ;ÝÞ78ᢈÜ)ᙳ#ᔢ£;⚣=ᦔ᳛஺
64.ᙠeNodeBḄPDCP»´ᵨᡝ☢ᦪ/Áë᦮ឋmí;îïᜐᳮ஺
65.LTEIJ_ᵨᡝ)☢ÊZᑴ)☢õÄÅö´;78ö´Ḅᑖ÷஺
66.LTEIJÄÅ78A☢øᐭ_OFDMᢈÜ;MIMOᢈÜ஺
67.LTEIJÄÅ¿Àᒹü´1ஹ´2ஹ´3,ᐸ´1kᱥᳮ´þ´2ᒹüMAC
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MAC
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(123⍝Ḅ567MAC
89:;஺•
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CDIPᦪ@ᒹᜮHID12ᦪ@JKLMNOPRLC
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ab஺MAC
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ᡂgᔠARQḄᚯ1()`KiK12Ḅ"j஺68.n᦮d`ᩭqLTEtuv᪀xᯠᑖz{|ᑖᒹ}EPC~JḄ᪶E-UTRAN~JḄᐭ஺D69.E-UTRANLTEtuᐭᵫ~JḄ⁚BevolvedNodeB,eNB>ᡂeNBX2JKU-UTRANtuEPCS1JK஺S1ᢝ“$D$”6஺┯S1Ḅ“$D$”6¡7Sl-flex70.¦3GtuḄ©v᪀ª«E-UTRANtuᒹ}eNB¬®¯⁚©v᪀°⁚ᦪ±²³©v᪀´Lµ¶ᡡ¸ᓄ஺D71.LTEtu°IPᜮHI¦ᵨᡝᦪ@»ḄLM¼/CᨵMMEᡂḄ஺┯eNBᡂ¾¿À¶PDCPÁ
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9SᑴஹḄÌÍឋÆᳮஹUE`iK"j()Í᝱ÄÅᑖÐ஺2.IPᜮHIᵨᡝᦪ@»ḄLM3.89ᑮS-GWḄᵨᡝᦪ@ḄRᵫ4,"j12nMMEÑÒḄÓÔÕÖ5.ᵨ¶ÌÍឋ"jḄ×±6."j12nMMEÑÒḄØÙÕÖ7.UE▬ḼÜḄMME⌱ÞMMEḄ:1.ÓÔÕÖḄiÑ2.àᐰSᑴ3.âãä᝱ḄÌÍឋÆᳮ4.NAS3åᜐᳮ(ᒹ}çèஹéOஹêëÈÉ)5.TAListÆᳮᐹdîï᝞iðUEñòóᑮ©ÜMMEôçè¬{UE`iᦻ஺MMEöᑖЬ{÷¬ḄøùúÜûü᪗þ¡7SAEúÜÌÍᵨᡝ᪗þ(S-TMSI),ᵨ¶þÿMMEUE
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ᦻᐹᨵHSSḄUEᡝ஺MMEUEᡝḄᙢᐕ᝞!"#$%&'()*HSS+ᖪ஺-᜜UE
ᦻ/0ᨵ᝞ᑡ⊤345678᝱஺":;

10MME|}3ᵨᡝᦪBḄᐰ஺gUEJᐭLcD◤⌕UEᙠMME/HSSE¤~¥ᔣ¦§஺72.E-UTRANJᵨ+°ᒹ²RNL´Lcµ¶3TNL´·¸Lcµ¶¹$ºᑖ´¼¶73.S1J¿MME/S-GWaeNBÄEḄJ஺S1J*3GUMTSfÅluJ%ÈÄᜐᙠaluJXJᒹ²3G᪶ÊLḄPSÌ3CSÌEPCÎÏᢝᑖÐÑᣚ´PS¶,ᡠÒS1JÎÏᢝPSÌ஺´¼¶74.LTEfÅÎÏᢝPSÌஹ%ÏᢝCSÌÕÖᙠLTEfÅ×⌕wVoIPᩭÜÝ஺´¼¶75.X2J¿eNB*eNBÄEḄJ஺X2JḄàáâᵨ:*S1JUãḄäᑣæÝᙠX2JḄᵨᡝç☢+°é᪀3ëᑴç☢+°é᪀ᙳ*S1Jîï஺´¼¶S1Jðᵨᡝç☢+°ᙳ"GTP-U,ëᑴç☢+°"S1-APñX2JðÎâᵨX2-AP76.lmnÌ´TrackingArea¶¿LTE/SAEfÅ"UEḄuvYᳮrúḄᭆü஺lmnḄý6*3GḄuvn´LocationArea,LA¶3ÿᵫ
RoutingArea,RA,ᵫLTE/SAE⌕ᑖ!"#$%&'()
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Ḅᭆ1஺377.ᱥᳮ8MAC8;<8=>?@ABḄCD஺ᱥᳮ8ABCDEFG᝞IJKLᵨNO᪵ḄᱯRᦪTᙠVW,XYABᩭ[\Ḅ%']“_`?⍝b┯ABḄᑁeff_`?⍝᝞IAB——AB?⍝ᐹiḄAB——ᱥᳮ?⍝78.klmn?⍝ᒹpPSCH;SSCH,P-SCH;S-SCHḄ⚣uvwx▬-Ḅ72{|}~஺▭Yᓰ62{|}~%ᐸ10{mnᑡ஺379.E-MBMSEkVW,ᐭLTEḄAᢈ%mᔣᡠᨵḄᵨᡝᡈfᑖᵨᡝ¡i¢〈¤¥Ḅ¦§iᦪT¨D஺380.E-MBMS©ᵨḄEª3GppVW,ᐭḄᢈ;᪗¯°ABஹ,ᐭ;ᑗᣚ´ᱥᳮ8Gµ¶E·ᵨḄ3Gᢈ஺381.3LTEᱥᳮ8Ḅ¦ᙬ¹ᫀ%ᙠkl¹ᔣY©ᵨª»¼½¾CyclicPrefix,CPḄÄÅ⚣ᑖÆᵨOrthogonalFrequencyDivisionMultiplexing,OFDM,ᙠYl¹ᔣY©ᵨª»¼½¾Ḅᓫ}~⚣ᑖ¦ᙬSingleCarrrier-FrequencyDivisionMultiplexingAccess,SC-FDMA஺3

1182.ᙠLTE%Ïᢝᡂ3Ḅ;ᡂ3Ḅ⚣Ò%Ïᢝ⚣ᑖÓÔFrequencyDivisionDuplex,FDDÕÖ;ᑖÓÔTimeDivisionDuplex,TDDÕÖ஺383.ᜩW½ÙÚᢣḄEÜᨬᜧßàÙÜᨬᜧßáÚ஺384.ãᩭä%åæḄ=<⌕ç☠éêᚖw☢ᔣíîḄ~Üïð%ñᙠòó☢YôᢝᐰᔣḄíîឋ"஺385.øù⌱û%üý#ᙠᜧ!᳛VWᵯ
ஹᡈᐸ᡾▬஺᝞⌱᡾஺86.#$ᙠ᪛᪍()஺᝞⌕)+ᢝᜩ./0᪛⚔஺87.ᙠ34(56Ḅ8᠒:;<=>?஺┯88.LTE(DEFGHIJKILM◤⌕ᙠᐸ(OGHIDEPOGHIJKIᓽ஺┯89.MIBVSIBᙳᙠBCH[〈஺┯90.ᙠRRC_IDLEa᝱UEd3ePagingklmnopqlrᔲtᓄ஺vwrxPagingrᙠPDCCHq⍝z{|UE}d3PCFICHḄePDCCHḄEVᦪ஺ᡠ}M⌕PagingḄkltopḄDEqltt஺91.ᑴ☢PDCPஹRLCஹMACḄVᵨᡝ☢ḄO᪵஺┯92.NASᑴ0MME஺93.X2¢ᑗᣚJ¥ᑗᣚ¦S1¢ᑗᣚr§ᑗᣚ஺┯LTEopMᨵ§ᑗᣚ94.LTEop(RRCa᝱ᨵª«a᝱ஹ¬a᝱ஹ®Ḩa᝱°±²³஺┯RRC-IDLEVRRC-CONNECTED95.AttachLºᢣḄrUE¼PRACH«ᐭᑮ¿ÀÁÂÃᡂḄLÅ஺96.eNBÇÅd3X2«¢dq,ÉÊHIÅËᓄḄÌ.ÍÎÏᳮ஺97.E-UTRANopᙠ1.4MHzஹ3MHzஹ5MHzஹ10MHzஹ15MHzV20MHzÒÓ(,ᑖÕ}Öᵨ6Gஹ15Gஹ25Gஹ50Gஹ75GV100GRB஺98.ICIC᪗Ørd3eNodeBÇÅḄX2¢Û⌴஺99.ICIC}ÝLÉÊ⚣᳛ÍÎV᳛ÍÎḄà100.LTE᪗áâᢝᨬᜧ100kmḄ⌚èéêëìrxPRACHíᵨFormatsðñ101.LTEÛò¿Àᡡᓄᵫ0õkRNC⁚÷eNBø«ª«ᑮ᪶ú¿MME/S-GW,¼þ

12ÿᓄ
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