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Chương 1: Tổng quan về mạng và chất lượng dịch vụ các hệ thống TTDĐ thế
hệ 3
Chương 2: Điều khiển chất lượng dịch vụ trong mạng GPRS/UMTS
Chương 3: Các tham số chất lượng dịch vụ trong mạng GPRS/UMTS
Chương 4: Xây dựng mô hình truy cập dịch vụ dữ liệu WAP/GPRS/MMS tại
Công ty Thông tin di động VMS – Mobifone
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D< (*/l)9~]B+]BQ.pMLwg66Y6F5<
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&@e0111L5,R/=>!N+J
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"]BQ07fE+P6De010D@fˆ"EPKB01
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0@:5EP!~5rEP!~":#-/:5/!)9
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/:5<34B!"#R6,;)Q
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−U+m2en<
 JG"RV+4B<
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1.2.1.Hoạt động của ITU về chuẩn hóa về chuẩn hoá các yêu cầu với chất
lượng dịch vụ TTDĐ
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• 7T@j+V+&g6+!
• &UCuV+j

JLRG'NGG|GG
ETSI UTRA ARIB WCDMA [ Nhat ban ]
FDD TDD FDD TDD
Phơng pháp đa truy nhập WCDMA TD-CDMA WCDMA TD-CDMA
Tốc độ chip Mcps 3,84 3,84
3,84
(1,024/7,68/15,36)
3,84
(1,024/7,68/15,36)
Khoảng cách sóng mang
5MHz 5MHz 5(1,25/10/20)MHz
5 (1,25/10/20)
MHz
Độ dài khung 10ms 10ms 10ms 10ms
Số lần điều khiển công suất trong
một khe thời gian
15 15 15 15
Khoảng thời gian một khe thời gian
Không tồn tại
625às
Không tồn tại
625às
Điều chế số liệu (DL/UL) QPSK QPSK QPSK/BPSK QPSK/BPSK
Điều chế trải phổ (DL/UL*) QPSK QPSK QPSK/QPSK QPSK/QPSK
Hệ số trải phổ 4-512 1,2,4,8,16 2-512 2-512
Dạng xung
hàm cos nâng
r= 0,22
hàm cos nâng
r= 0,22

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• &UC=,
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>)!I!)+Y:l.LwXJ.)6x,"#V+0]+
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5964B-7<
A%(!„+Dfj9%4O55-*Q e%"9?%"'
%YLwJ.EFQ-7UU0*#:+y",!S'UT(
mUhgTgg(ggn<UT(‡]l6x:#^g
C

Trích đoạn Nguyờn tắc xõy dựng kờnh điều khiển và truyền số liệu trong UTRAN Các tham số chất lượng dịch vụ MMS trong mạng GPRS/UMTS MMSCT MM7_read_reply.REQ Yờu cầu MMSCT-> MMS Thụng sụ́ Các tham số chất lượng dịch vụ PoC trong mạng GPRS/UMTS
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