Graduation Project Presentation

HSDPA Towards 4G Team IAMA HSDPA Simulator

Radio Capability Evolution Speed Time 9.6 Kbps 9 -170 Kbps 250 Kbps 384 Kbps 100/50 Mbps 14.4 Mbps 5.7 Mbps 1998 2001 2003 2004 2006

Project Objective Testing How the Data rate Improvement was achieved

Team IAMA ,[object Object],[object Object],[object Object],Supervisor: Dr. Adly Tag-Elden

Agenda ,[object Object],[object Object],[object Object],[object Object]

Introduction ,[object Object],[object Object],[object Object],[object Object]

HSDPA ? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Expected 4G 4G Low Cost Fully IP-based 100 Mbps to 1 Gbps QoS High Security

UMTS/HSDPA Deployment ,[object Object],[object Object],WCDMA only HSDPA

UMTS vs. HSDPA ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

System Architecture Terminal (UE) Node B BTS RNC Radio Network Controller

System Layers PHY layer MAC-hs Terminal RLC MAC PHY layer FRAME PROTOCOL TRANSPORT Uu Node B Iub RNC TRANSPORT FRAME PROTOCOL MAC-d RLC

HSDPA Channels HS-SCCH HS-DSCH HS-DPCCH DCH (DPCCH/DPDCH) Node B Terminal

DCH vs. HS-DSCH Node B Fast Scheduling RNC Scheduling Physical Layer Retransmission RNC retransmission QPSK/16QAM Modulation, Turbo Coding QPSK Modulation, Convolutional Coding Link Adaptation Fast Power Control HSDPA HS-DSCH Rel 99 DCH

What’s new ? HSDPA Link Adaptation Fast Scheduling Physical Layer Retransmission

HSDPA Link Adaptation Channel Quality Information ( CQI ) transmitted on HS-DPCCH HS-DSCH link adaptation Node B Terminal

Link Adaptation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Turbo Coding ,[object Object],[object Object],“ Upper” RSC Encoder “ Lower” RSC Encoder Interleaver Systematic Output X k Uninterleaved Parity Z k Interleaved Parity Z’ k Input X k Interleaved Input X’ k Output

Why Turbo Code ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

0 1 2 3 4 5 6 7 8 9 10 -1 -2 0.5 1.0 Eb/No in dB BPSK Capacity Bound Code Rate r Shannon Capacity Bound Spectral Efficiency arbitrarily low BER: Mariner 1969 Turbo Code 1993 Galileo:BVD 1992 Galileo:LGA 1996 Pioneer 1968-72 Voyager 1977 Convolutional Codes 1976 Uncoded BPSK IS-95 1991 Iridium 1998

Hybrid Automatic Repeated Request ,[object Object],HARQ = Forward Error Correction Automatic Repeated Request +

Terminal Capabilities 3.6 QPSK, 16QAM 6 3.6 QPSK, 16QAM 5 1.8 QPSK, 16QAM 4 1.8 QPSK, 16QAM 3 1.2 QPSK, 16QAM 2 1.2 QPSK, 16QAM 1 Maximum Data rate Modulation Category 1.8 QPSK only 12 0.9 QPSK only 11 14.4 QPSK, 16QAM 10 10.2 QPSK, 16QAM 9 7.2 QPSK, 16QAM 8 7.2 QPSK, 16QAM 7 Maximum Data rate Modulation Category

Simulator ,[object Object],[object Object],[object Object],[object Object],[object Object]

A brief Description ,[object Object],[object Object],[object Object],[object Object]

What are H-Sets? ,[object Object],[object Object],[object Object]

Software Construction Generate Random Data Scrambling Turbo Encode HARQ Match Modulate Channel Noise &/or Fading deModulate Interleaver deInterleaver HARQ deMatch Turbo Decode unScrambling Calculate throughput

Hardware ,[object Object],[object Object],[object Object],[object Object],[object Object]

Increase the simulation speed Gives a look at the practical problems Objective 1- 2-

Interface  ,[object Object],[object Object],[object Object],[object Object]

Serial Application MicroBlaze TM Processor DXCL IXCL MCH OPB DRR MCH0 MCH1 OPB OPB INTC OPB UART Lite

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