550
14-bob. LTE STANDARTINING RIVOJLANISH
TARIXI
14.1. 3GPP Long Term Evolution (LTE) ................................... 225
14.2. LTE standarti haqida umumiy ma’lumotlar ....................... 227
14.3. LTE tizimi arxitekturasi ..................................................... 230
14.3.1. LTE tizimlari funksionalligiga qo‘yiladigan talablar ........ 231
14.3.2. LTE/SAE tizimi arxitekturasining
asosiy tashkil
etuvchilari ...............................................................................234
14.3.2.1. E-UTRAN — takomillashtirilgan radioulanish tarmog‘i ... 235
14.3.2.2. EPC — takomillashtirilgan paketli tayanch tarmog‘i .... 235
15-bob. MOBILLIKNI BOSHQARISH MODULI – MME
15.1. Mobillikni boshqarish moduli – MME............................. 237
Yo‘ldoshli aloqa tizimlarida ko‘p stansiyali foydalanish ............. 237
15.2. ESY aloqa tizimlaridagi bort va yerdagi apparatlar ............ 242
16-bob. EMM DARAJASIDA AU NING
MOBILLIK HOLATLARI
16.1. EMM darajasida AUning mobillik holatlari. ..................... 249
Noaktiv holatdagi mobillik .......................................................... 249
16.2. Noaktiv holatdagi mobillik ................................................. 252
16.2. Aktiv holatdagi mobillik ..................................................... 256
1
7bob. LTE TARMOQLARIDA “ROUMING”