OBRAS Y SERVICIOS RELACIONADOS CON LAS MISMAS

PCCH DCCH DTCH MCCH MTCH PCFICH

_Physical

Transport

PHICH PUCCH PDCCH _PBCH _PUSCH _PDSCH _PMCH _PRACH BCH PCH UL-SCH DL-SCH MCH RACH

48 ©Ima Telems & Meia

Mag Cael to te Reorce Block

The ge ppsite shws the pess  mappig the wlik tl a shae haels t a ese blk. The syhisati a eeee sigals ae als ile.

nte the PdccH s i the st ew symbls  eah sb-ame, the mbe  symbls is sigalle by the PHFIcH. Als te the aagemet  the pimay a seay syhisati sigals a the PBcH. Whe this imati is mappe t the 10mS ame it a be see that the P-ScH, S-ScH a PBcH ae tasmitte i sb-ame 1 a the P-ScH, S-ScH is tasmitte agai i sb-ame 5. This meas that pimay a seay syhisati sigals ae

Fg. 23 – Mag o Dowlk Cotrol ad sCh pycal Cael

to a Reorce Block

50 ©Ima Telems & Meia

Cael Mag o a 10Mhz Cael

The ge ppsite shws the wlik mappig  a 10MHz hael. The syh a baast ata is late i the ete  the ba t ai the uE ell seah pess.

600 599 598 597 596 595 306 305 304 303 302 301 300 299 298 297 296 295 294 293 292 291 290 289 288 287 286 285 284 283 282 281 280 279 278 277 276 275 274 273 272 271 270 269 268 267 266 265 264 263 262 261 260 259 258 11 RB 10 9 8 7 6 5 4 3 2 1 0 0 1 2 Slot 0 One subframe = 1 ms

One radio frame = 10 ms

Slot1 Slot2 Slot10 Slot19

3 4 5 6 0 1 2 3 4 5 6 0 1 2 3 4 5 6 0 1 2 3 4 5 6 0 1 2 3 4 5 6

Ant 0 / Ant 1 reference

• channel estimation • channel quality measurement PDCCH • DL scheduling decision • UL scheduling grants • ACK/NACK information P-/S-SCH • cell search • frequency and timing acquisition PBCH • broadcasting channel • cell speciﬁc information

52 ©Ima Telems & Meia

ulk Mag o pycal Cael

The plik haels ae mappe i a simila ashi t the wlik, the biggest ieee hee beig the absee  sb-aies sie Sc-FdMA is se the ese blk tais 7 time mai symbls (1 slt) a a sigle Sc-FdMA hael.

The mappig  the plik shae hael is shw i the ge ppsite. nte the pesee  the plik eeee sigal i symbl 3  evey slt.

54 ©Ima Telems & Meia

ulk Mag o te Cotrol Cael

The ge ppsite shws the mappig aagemet  the PuccH a its eeee sigals. The PrAcH hael is als mappe it this sb-ame mat althgh its pesee a

56 ©Ima Telems & Meia

Overall pctre o uL Mag

The ge ppsite shws the geeal aagemet  mappig plik tl a shae haels ve time a eqey mais.

Frequency

T i m

e

PUSCH

Demodulation reference signal (for PUSCH)

PUCCH

Demodulation reference signal for PUCCH format 0 & 1

58 ©Ima Telems & Meia

pycal Cael ad Modlato sceme

Thee ae geeally 3 ieet types  imati tasmitte ve the ai lik, sigallig, ata a speial eeee sigals.

Physial laye sigallig has the pimay eqiemet  eliability theee the mlati shemes sppte by the sigallig haels ae lw level “bst” shemes. QPSK is the mlati sheme se i mst ases althgh the PuccH has the pti  sig BPSK i imstae whee iteeee is vey high.

data’s mai eqiemet is e  spee a spetal eiey. Mst appliatis beet m high ata tase ates a the etwk beets m high spetal eiey, theee the highest e mlati sheme wl geeally be selete, 64QAM, hweve thee ae times whe iteeee is high a the high e shemes at be maitaie, theee the shae haels als sppt 16QAM a QPSK.

The speial sigals ’t tasmit expliit imati, istea, mplex sigals whih imply a hael iti  psiti i mplex seqee geeati ae tasmitte. The sigals ae se by the uE a the enB t etemie hael itis  MIMo pessig a etwk syhisati. The rS, P-ScH a S-ScH all tasmit mplex ata seqees.

Fg. 28

Te pycal Layer Cael o LTE

DL cael

Fll ame

proe

PBcH Physial baast hael caies ell-spei imati PMcH Physial mltiast hael caies the McH taspt hael PdccH Physial wlik tl hael Shelig, AcK/nAcK

PdScH Physial wlik shae hael Payla

PcFIcH Physial tl mat iiat hael dees mbe  PdccH oFdMA symbls pe sb-ame (p t 4) PHIcH Physial hybi ArQ iiat hael caies HArQ AcK/nAcK

uL cael

Fll ame

proe

PrAcH Physial am aess hael call setp

PuccH Physial plik tl hael Shelig, AcK/nAcK PuScH Physial plik shae hael Payla

Te pycal Layer sgal o LTE

DL gal

Fll ame

proe

P-ScH* Pimay syhisati sigal use  ell seah a ietiati by the uE. caies pat  the ell Id (e  thee thgal seqees)

S-ScH* Seay syhisati sigal use  ell seah a ietiati by the uE. caies the emaie  the ell Id (e  168 biay seqees)

rS reeee sigal (pilt) use  dL hael estimati. Exat seqee eive m ell Id (e  3 x 168 = 504) pse am seqees)

uL gal

Fll ame

proe

rS reeee sigal

(emlati a sig)

use  syhisati t the uE a uL hael estimati

sycroato ad Reerece sgal

syc seqece ad Cell searc

A uE eteig a ell  the st time mst isve the time a eqey paametes that ae eqie t sesslly mmiate with the enB. I the ws the uE mst syhise with the enB. Syhisati sigals ae baast m the enB  a eqet basis that eable the time mai a eqey mai paametes t be ea by the uE, i aiti this imati a impat ell ietiati.

The eqiemets  syhisati a be empse it thee mai tis.

1. Symbl timig aqisiti, whee the et symbl stat psiti is ietie, t set the et FFT wiw psiti.

2. caie eqey syhisati, whih is eee t ee  elimiate the eet  eqey es aisig m the mismath  lal sillat t the tasmitte a eeive, als the eqey isttis aisig m tempeate it, ageig a dpple eets. 3. It is als eessay t have the samplig lk syhise.

The uE is eqie t pem ell seah eithe iitially whe eteig the system ate swith  a ietiyig a ew ell (i.e. eighb ell) e ete t the system.

Fg. 29 – sycroato Reqremet

In document SECRETARIA DE TURISMO (página 53-60)