Raqamli mobil aloqa

28-bob. WiMAX TIZIMI ARXITEKTURASINING 
ASOSIY PRINSIPLARI
28.1. WiMAX tarmog‘ining tayanch modeli (NRM) .................. 400
28.2. WiMAX tarmog‘i tugunlaring funksionalligi ...................... 403
28.3. CSN kommutatsiya tarmog‘i .............................................. 408
28.4. Radioulanish tarmog‘i va kommutatsiya tarmog‘ining 
o‘zaro ta’sirlashishi. WiMAX tizimi arxitekturasining boshqa 
o‘ziga xos xususiyatlari ................................................................ 410
29-bob. WiMAX IEEE 802.16 STANDARTI TARMOG‘I 
FIZIK DARAJASINING TAVSIFI VA WiMAX 
WIRELESSMAN-SC REJIMIDAGI FIZIK KANALDA 
KADRNING TUZILMASI
29.1. WiMAX IEEE 802.16 standarti tarmog‘i fizik darajasining 
tavsifi .......................................................................................... 413
29.3. IEEE 802.16 standarti tarmog‘i fizik darajasining tavsifi .... 415
29.4. WirelessMAN-SC rejimidagi fizik kanalda kadrning 
tuzilmasi ..................................................................................417
29.5. WirelessMAN-OFDM rejimidagi kadrning tuzilmasi ......... 422
29.5.1. OFDMA ortogonal eltuvchilar yordamida ...................... 423
ko‘plab ulanish usuli ................................................................... 423
30-bob. WIRELESSMAN-OFDMA REJIMI UCHUN RNY 
DARAJASINING ASOSIY KO‘RSATKICHLARI
30.1. WirelessMAN-OFDMA rejimidagi kadrning tuzilmasi ...... 426
30.2. MAS darajasining ishlatilishi .............................................. 431
30.3. QoS — xizmat ko‘rsatish sifati ........................................... 435

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31-bob. MOBILLIKNI BOSHQARISH
31.1. “Mobil” WiMAXda energiyani tejash ................................ 437
31.2. BSni peydjing guruhlarga bo‘linishi .................................... 439
31.3. WiMAX tarmog‘ida MIP protokolining shakllantirilishi .... 442
31.4. Guruhli va keng-qamrovli uzatish ...................................... 447