LTE Physical ChannelEricsson Internal|2015-02-18|Page 2CHANNEL DEFINITINLTE DIFFE!ENT CHANNELLTE L"ICAL CHANNELLTE T!AN#P!T CHANNELLTE PH$#ICAL CHANNELLTE CHANNEL %APPIN"LTE PH$#ICAL CHANNEL IN DETAIL#ContentEricsson Internal|2015-02-18|Page &T'e (a) in*or+ation *lo(s ,et(een t'e -i**erent .rotocols are /no(n as c'annels0 LTE 1ses se2eral -i**erent t).es o* logical3 trans.ort an- .')sical c'annel3 ('ic' are -isting1is'e- ,) t'e /in- o* in*or+ation t'e) carr) an- ,) t'e (a) in ('ic' t'e in*or+ation is .rocesse-0Protocol is a (ell -e*ine- set o* *or+ats4r1le to e5c'ange t'e in*or+ation0CHANNELEricsson Internal|2015-02-18|Page 6Logical Channels: 7 De*ine 8what type o* in*or+ation is trans+itte- o2er t'e air0 Data an- signalling +essages are carrie- on logical c'annels ,et(een t'e !LC an- %AC .rotocols0Transport Channels: De*ine 8how is so+et'ing trans+itte- o2er t'e air3 e0g 0 ('at are enco-ing3 interlea2ing o.tions 1se- to trans+it -ata0 Data an- signalling +essages are carrie- on trans.ort c'annels ,et(een t'e %AC an- t'e .')sical la)er0Physical Channels: De*ine 8where is so+et'ing trans+itte- o2er t'e air3 e0g 0 *irst N s)+,ols in t'e DL *ra+e0 Data an- signalling +essages are carrie- on .')sical c'annels ,et(een t'e -i**erent le2els o* t'e .')sical la)er0ltE CHANNELEricsson Internal|2015-02-18|Page 5Logical c'annels are -isting1is'e- ,) t'e in*or+ation t'e) carr) an- can ,e classi*ie- in t(o (a)s0 Firstl)3 logical tra**ic c'annels carr) -ata in t'e 1ser .lane3 ('ile logical control c'annels carr) signalling +essages in t'e control .lane0Logical Control Channels9 Broadcast Control Channel (BCCH): A -o(nlin/ c'annel*or ,roa-casting s)ste+ control in*or+ation09 Paging Control Channel (PCCH): A -o(nlin/ c'annel t'at trans*ers .aging in*or+ation0 T'is c'annel is 1se- ('en t'e net(or/ -oes not /no( t'e location cell o* t'e :E09 Common Control Channel (CCCH): T'is c'annel is 1se- ,) t'e :Es 'a2ing no !!C connection (it' t'e net(or/0 CCCH (o1l- ,e 1se- ,) t'e :Es ('en accessing a ne( cell or a*ter cell reselection.Logical channelEricsson Internal|2015-02-18|Page ;9 Multicast Control Channel (MCCH): A .oint-to-+1lti.oint-o(nlin/ c'annel 1se- *or trans+itting % is a .oint-to-.oint c'annel3 -e-icate- to one :E3 *or t'e trans*er o* 1ser in*or+ation0 A DTCH can e5ist in ,ot' 1.lin/ an- -o(nlin/09 Multicast Traic Channel (MTCH): A .oint-to-+1lti.oint -o(nlin/ c'annel *or trans+itting tra**ic -ata *ro+ t'e net(or/ to t'e :Es 1sing %K=1 col1+n ,>5=;556>K=8 col1+ns c>5=;5&0>F2&;6 reso1rce ele+entsTotal reso1rce ele+entsF=;512>5=10516>F10080-,erhead (C%&./). 011 2 (/345601171)./3859:ne in*or+ation s)+,ol can ,e allocate- in eac' -ata reso1rce ele+ent0 T'e trans+ission is -one ,)+eans o* ;6-@A% (it' an a2erage o* 50556? ,its .er s)+,ol0 T'e pea! rate throughput is7Total -ataF=1 col1+n a>5=;5;8>K=1 col1+n ,>5=;5116>K=8 col1+ns c>5=;51&8>F??1; reso1rce ele+entsPea! rate. (;;04 sym'ols 2 98995; 'its6sym'ol)601ms. 58/7M'psPCICH(Physical control !or"at indication channelEricsson Internal|2015-02-18|Page 20C%&.3Iit' CFIF&3 t'e n1+,er o* -ata an- control reso1rce ele+ents in eac' col1+n c'anges as *ollo(s7- Column (a): CFI K PK15=;5?8>K85=;556>F&806 reso1rce ele+entsTotal reso1rce ele+entsF=;512>5=10516>F10080-,erhead (C%&./). 011 2 (3715601171).3;8;5:Total -ataF=1 col1+n a>5=;566>K=1 col1+n ,>5=;5B0>K=8 col1+ns c>5=;5116>F;2?; reso1rce ele+entsPea! rate. (4/;4 sym'ols 2 98995; 'its6sym'ol)601ms. 3857 M'psPCICH(Physical control !or"at indication channelEricsson Internal|2015-02-18|Page 22#o3 t'e *inal res1lts=*or 106 %HE are as s'o(n in t'e ta,le7#1++ar) o* 20 %HE are as s'o(n in t'e ta,le7PCICH(Physical control !or"at indication channelEricsson Internal|2015-02-18|Page 2& PHICH stan-s *or P')sical c'annel H),ri- A!@ In-icator C'annel0 #i+.l) .1t3 it is a s.eciall) -esigne- -o(nlin/ onl) c'annel ('ic' carries ACH or NACH *or t'e P:#CH recei2e- ,) t'e net(or/0 T(o PHICH -1rations in one s1,-*ra+e 10 s'ort PHICH20 long PHICHL T'is -1ration is in-icate- ,) 1 ,it in P FD% s)+,ols in eac' s1,-*ra+e0 T'e 2al1e o* n is in-icate- ,) CFI in t'e PCFICH c'annel0 In a s1,-*ra+e3 (e can trans+it +1lti.le PDCCHs0 ne :E can +onitor one gro1. o* PDCCH0 Eac' PDCCH is sent in one or +ore control c'annel ele+ents =CCE> to ac'ie2e t'e -i**erent PDCH enco-ing rates ,) integrating 2ario1s n1+,ers o* CCEs0 PDCCH s1..orts 6 t).es o* .')sical-la)er *or+ats ('ic' occ1.) one3 t(o3 *o1r3 an- eig't CCEs res.ecti2el)0 P$CCH(Physical do%nlin&control channel)1CCEF B !E" L 1!E"F 6 !EL #o31 CCEF&; !EL As PDCCH 1se @P#H so 1 CCEF&;G2F?2 ,itsEricsson Internal|2015-02-18|Page 25P$CCH(Physical do%nlin&control channel)Ericsson Internal|2015-02-18|Page 2; T'e PD#CH c'annel is t'e +ain -ata ,earing c'annel ('ic' is allocate- to 1sers on a -)na+ic an- o..ort1nistic ,asis0 T'e PD#CH is also 1se- to trans+it ,roa-cast in*or+ation not trans+itte- on t'e P