Muhammad al-xorazmiy nomidagi toshkent axborot texnologiyalari universiteti r. R. Ibraimov, D. А. Davronbekov, M. O. Sultonova, E. B. Tashmanov, U. T. Aliyev «simsiz aloqa tizimlari va dasturlari»
Download 3.49 Mb. Pdf ko'rish
|
|
216 Mundarija Kirish…………..………………..………………..….……………......3 1- bob. Simsiz aloqa tizimlari asoslari..................................................6 1.1. Radioaloqani tashkil etish tamoyillari........................................... 6 1.2. Kanallar va to‘lqinlarning tarqalishi............................................12 1.3. Simsiz aloqada antennalar........................................................... 19 1.4 Ko‘p tomonlama ulanish texnologiyalari..................................... 28 1.5 Signalni modulyatsiyalash turlari..................................................45 2- bob. Mobil radiotelefon aloqasi......................................................72 2.1 Sotali aloqa tizimlarining rivojlanishi.......................................... 72 2.2. Mobil radioaloqa tizimlarida tasniflash, qurish tamoyillari va chastotaviy rejalashtirish.....................................................................78 2.3. Harakatdagi radioaloqa sotali tizimlari standartlari. Ikkinchi avlod standartlari.................................................................. 85 2.4. Uchinchi avlod sotali tizimlari.................................................... 89 2.5. 4G sotali aloqa tizimlari konsepsiyasi......................................... 96 2.6. OFDM va OFDMA texnologiyalari.......................................... 100 2.7. LTE standarti............................................................................ 111 2.8 Mobil aloqaning istiqbolli texnologiyalari ................................120 3- bob. Radioreleli va sun’iy yo‘ldoshli aloqa. Sun’iy yo‘ldoshli navigatsiya........................................................................................127 3.1. Radioreleli aloqa. Raqamli RRLlarning tasniflanishi va qo‘llanilishi sohalari......................................................................... 127 3.2. Sun’iy yo‘ldoshli aloqani tashkil etish va ESY orbitalari…… .132 3.3. Sun’iy yo‘ldoshli navigatsiya.................................................... 142 4- bob Simsiz keng polosali ulanish texnologiyalari........................146 4.1 Wi-Fi (IEEE 802.11) standarti....................................................146 4.2. WiMAX (IEEE 802.16) standarti..............................................152 5- bob. Boshqa simsiz aloqa turlari...................................................159 5.1. Peyjing va tranking aloqa...........................................................159 5.2. Raqamli televidenie va radioeshittirish......................................164 5.3. Bluetooth, HomeRF, ZigBee, NFC va Wireless USB aloqa texnologiyalari...................................................................................179 5.4 Radiochastotaviy identifikatsiyalash.......................................... 193 5.5. Kognitiv radio............................................................................196 5.6 Ochiq optik uzatish tizimlari.......................................................200 Glossariy …..………………………………....................................207 Adabiyotlar …………………………….…..…..……….....…….....213 |
