Slide thông tin di động đại học bách khoa hà nội chương 7 mạng thông tin di động 3g

Trường Đại học Bách Khoa Hà Nội Khoa Điện tử Viễn thông Thông tin di động c om Mobile Communications ng TS Đỗ Trọng Tuấn Bộ môn Kỹ thuật thông tin co Hà Nội, 9-2010 cu u du on g th an Mạng thông tin di động 3G UMTS / W-CDMA (Universal Mobile Telecommunications System) ξ Khái quát UMTS 2 CuuDuongThanCong.com https://fb.com/tailieudientucntt .c om Rel.99, Rel.4 IMT-2000 : ITU’s umbrella name for 3G which stands for International Mobile Telecommunications 2000 IMT-DS Direct Spread CDMA: W-CDMA / UMTS ng New from 3GPP; UTRAN FDD co du on g th an cu u WCDMA Background and Evolution 3GPP Rel -99 12/99 2000 3GPP Rel 03/01 2001 Japan 2002 Europe (precommercial) 2003 3GPP Rel 06/07 3GPP Rel 2H/04 3GPP Rel 03/02 2004 Europe (commercial) 2005 HSDPA (commercial) Further Releases 2006 2007 HSUPA (commercial) CuuDuongThanCong.com https://fb.com/tailieudientucntt UMTS general characteristics  Multimedia Service & high data rates:  WCDMA radio access Environment  Max Bitrate Max Speed Cell Size Rural outdoor 144 Kbps 500 Km/h Macro Suburban outdoor 384 Kbps 120 Km/h Macro/Micro Indoor 2.048 Mbps 10 Km/h Micro/Pico Support of QoS mechanisms Volume-based pricing scheme Service flexibility, wide bit-rate range and granularity:  Packet- and Circuit- oriented services,  “always on” connectivity, multiple services on one connection, Additional requirements:  Dual- mode/ coexistence with GSM & inter-system Hand Off,  Channel characteristics negotiation ng co du on g th an IMT-2000 Vision Includes LAN, WAN and Satellite Services u  cu  c om  Global Satellite Suburban Macrocell Urban Microcell In-Building Picocell Basic Terminal PDA Terminal Audio/Visual Terminal CuuDuongThanCong.com https://fb.com/tailieudientucntt UMTS Characteristics UMTS FDD (Frequency Division Duplex)      Uplink: 1920 - 1980 MHz Downlink: 2110 - 2170 MHz 190 MHz duplex distance  5MHz (variable) carrier spacing 12 bands in Uplink & Downlink 12 Uplink Bands 12 Downlink Bands … 190 MHz 5 MHz Frequency co ng … c om  du on g th an cu u Ngày 16/4/2008, Bộ TT&TT ban hành Quyết định số 25/2008/QĐ-BTTTT việc phê duyệt Quy hoạch băng tần cho hệ thống thông tin di động tế bào số Việt Nam dải tần 821 ÷ 960 MHz 1710 ÷ 2200 MHz Theo Quyết định này, đoạn băng tần 1900 ÷ 1980 MHz, 2010 ÷ 2025 MHz 2110 ÷ 2170 MHz dành cho hệ thống IMT–2000 Hiện giấy phép 3G ấn định kênh tần số cho hướng xuống (trong dải 2110 ÷ 2170 MHz) kênh tần số cho hướng lên (trong dải 1920 ÷ 1980 MHz) 8 CuuDuongThanCong.com https://fb.com/tailieudientucntt UMTS Specifications Duplex method: FDD  Channel spacing: MHz  Carrier chip rate: 3.84 Mcps  Timeslot structure: 15 slots/frame  Framelength: 10 ms  Modulation: QPSK  Detection: based on pilot symbols  Intra-frequencyHandover: soft  Inter-frequencyHandover: hard  Spreading Factors: 4, 8, 16, 32, 64, 128, 256, 512 co ng c om  du on g th an cu u UMTS Network Architecture 10 10 CuuDuongThanCong.com https://fb.com/tailieudientucntt 11 co ng c om UMTS Network Architecture du on g th an 11 cu u UMTS Network Architecture RNS: Radio Network Subsystems UTRAN: UMTS Radio Access Network GERAN: GSM /GPRS/ Edge Radio Access Network 12 12 CuuDuongThanCong.com https://fb.com/tailieudientucntt co ng c om UMTS Network Architecture Rel.99 du on g th an 13 cu u UMTS Network Architecture Rel.99 14 CuuDuongThanCong.com https://fb.com/tailieudientucntt UMTS Network Architecture Rel.99 GERAN - GSM /GPRS/ Edge Radio Access Network Iu-CS Gb Iur ng NodeB c om Iub Uu co Iu-PS 15 du on g th an 15 cu u Logical Roles of RNC 16 CuuDuongThanCong.com https://fb.com/tailieudientucntt ng c om Logical Roles of RNC co Soft Handover (Macro Diversity) du on g th an 17 CN - Core Network cu u UMTS Network Architecture Rel.99 18 CuuDuongThanCong.com https://fb.com/tailieudientucntt co ng c om Interfaces du on g th an 19 Uu interface Iub interface cu u UTRAN Architecture RNC UE NodeB CN Iur interface NodeB RNC UE NodeB UTRAN UTRAN: UMTS Terrestrial Radio Access Network 20 CuuDuongThanCong.com https://fb.com/tailieudientucntt UTRAN Architecture  New Radio Access network Uu interface needed mainly due to new radio Iub interface access technology Core Network (CN) is based on RNC GSM/GPRS  UE NodeB CN Radio Network Controller (RNC) Iur interface corresponds roughly to the Base Station Controller (BSC) in GSM  NodeB RNC UE Node B corresponds roughly to NodeB the Base Station in GSM c om  UTRAN co ng UTRAN: UMTS Terrestrial Radio Access Network du on g th an 21 UTRAN Architecture u Node B  Main function to convert the data flow between Uu and Iub interfaces  Some Radio Resource Management (RRM) tasks: cu    Measurements Innerloop power control 22 CuuDuongThanCong.com https://fb.com/tailieudientucntt co ng c om UTRAN Architecture du on g th an 23 UTRAN Architecture u RNC – Radio Node Controller cu    Controls the radio resources in its domain Radio Resource Management (RRM) tasks include e.g the following          Mapping of QoS Parameters into the air interface Air interface scheduling Handover control Outer loop power control Admission Control Initial power and SIR setting Radio resource reservation Code allocation Load Control 24 CuuDuongThanCong.com https://fb.com/tailieudientucntt UE Class c om - Độ nhạy thu: công suất thu tối thiểu cho BER không vượt giá trị tiền định (BER ≤ 0.001): UE: User Equipement + UE: S = - 117 dBm + BTS : S = - 121 dBm co ng UE = ME + USIM 25 du on g th an 25 cu u Rake Receiver 26 CuuDuongThanCong.com https://fb.com/tailieudientucntt .c om ng co cu u du on g th an 27 28 CuuDuongThanCong.com https://fb.com/tailieudientucntt co ng c om Rake Receiver cu u du on g th an 29 CuuDuongThanCong.com https://fb.com/tailieudientucntt ... 12/99 2000 3GPP Rel 03/01 2001 Japan 2002 Europe (precommercial) 2003 3GPP Rel 06/ 07 3GPP Rel 2H/04 3GPP Rel 03/02 2004 Europe (commercial) 2005 HSDPA (commercial) Further Releases 2006 20 07 HSUPA... 16/4/2008, Bộ TT&TT ban hành Quyết định số 25/2008/QĐ-BTTTT việc phê duyệt Quy hoạch băng tần cho hệ thống thông tin di động tế bào số Việt Nam dải tần 821 ÷ 960 MHz 171 0 ÷ 2200 MHz Theo Quyết... Microcell In-Building Picocell Basic Terminal PDA Terminal Audio/Visual Terminal CuuDuongThanCong.com https://fb.com/tailieudientucntt UMTS Characteristics UMTS FDD (Frequency Division Duplex)