Thesis Presentation Thesis Presentation Study and Simulation of UMTS Study and Simulation of UMTS Physical layer Physical layer (Rel Rel ’ ’99 for Downlink) 99 for Downlink) (
Study and Research Study and Research Physical layer standards Physical layer standards Physical Channel Mapping Physical Channel Mapping TS 25.211 v3.6.0 TS 25.211 v3.6.0 Coding and Multiplexing Coding and Multiplexing TS 25.212 v3.6.0 TS 25.212 v3.6.0 Spreading and Modulation Spreading and Modulation TS 25.213 v3.6.0 TS 25.213 v3.6.0 Physical layer Procedures Physical layer Procedures TS 25.214 v3.6.0 TS 25.214 v3.6.0 Simulation Simulation Mathworks Mathworks’ ’ Simulink Simulink Model design according to above mention Model design according to above mention standards standards Shall simulate in Shall simulate in Matlab Matlab
Study and Simulation of UMTS Physical layer Study and Simulation of UMTS Physical layer I ntroduction I ntroduction Syed Mohammed Syed Mohammed Zafi Zafi Sherhan Sherhan Shah (04TL 20) Shah (04TL 20) UMTS Releases Ali Madad Madad Shah (04TL 31) Shah (04TL 31) UMTS Releases Ali I ntroduction to Physical layer Farrukh Hussain Hussain Arain Arain (04TL 35) (04TL 35) I ntroduction to Physical layer Farrukh Physical Channel Mapping Ahsan Pervaiz Pervaiz Bhatti Bhatti (04TL 58) (04TL 58) Physical Channel Mapping Ahsan (3GPP TS 25.211) (3GPP TS 25.211) Physical layer procedures Sandar Ali Ali Khowaja Khowaja (04TL 30) (04TL 30) Physical layer procedures Sandar (3GPP TS 25.214) (3GPP TS 25.214) Handovers in UMTS Handovers in UMTS Rizwan Ali Shah (04TL 03) Rizwan Ali Shah (04TL 03) Coding & Multiplexing Syed Mohammed Mohammed Zafi Zafi Sherhan Sherhan Shah (04TL 20) Shah (04TL 20) Coding & Multiplexing Syed (3GPP TS 25.212) (3GPP TS 25.212) Spreading & Modulation Syed Mohammed Mohammed Zafi Zafi Sherhan Sherhan Shah (04TL 20) Shah (04TL 20) Spreading & Modulation Syed (3GPP TS 25.213) (3GPP TS 25.213) Simulation and Results Syed Mohammed Mohammed Zafi Zafi Sherhan Sherhan Shah (04TL 20) Shah (04TL 20) Simulation and Results Syed
Standardization of WCDMA / Standardization of WCDMA / UMTS UMTS The 3rd Generation Partnership Project (3GPP) Role: Create 3G Specifications and Reports Role: Create 3G Specifications and Reports 3G is standardized based on the evolved GSM core 3G is standardized based on the evolved GSM core networks and the supporting Radio Access Technology networks and the supporting Radio Access Technology GSM
Introduction of GPRS / E-GPRS 3GPP Release ‘99
3GPP Release 4 3GPP Release 5-6 All IP Vision
Study and Simulation of UMTS Physical layer Study and Simulation of UMTS Physical layer I ntroduction I ntroduction Syed Mohammed Syed Mohammed Zafi Zafi Sherhan Sherhan Shah (04TL 20) Shah (04TL 20) UMTS Releases Ali Madad Madad Shah (04TL 31) Shah (04TL 31) UMTS Releases Ali I ntroduction to Physical layer Farrukh Hussain Hussain Arain Arain (04TL 35) (04TL 35) I ntroduction to Physical layer Farrukh Physical Channel Mapping Ahsan Pervaiz Pervaiz Bhatti Bhatti (04TL 58) (04TL 58) Physical Channel Mapping Ahsan (3GPP TS 25.211) (3GPP TS 25.211) Physical layer procedures Sandar Ali Ali Khowaja Khowaja (04TL 30) (04TL 30) Physical layer procedures Sandar (3GPP TS 25.214) (3GPP TS 25.214) Handovers in UMTS Handovers in UMTS Rizwan Ali Shah (04TL 03) Rizwan Ali Shah (04TL 03) Coding & Multiplexing Syed Mohammed Mohammed Zafi Zafi Sherhan Sherhan Shah (04TL 20) Shah (04TL 20) Coding & Multiplexing Syed (3GPP TS 25.212) (3GPP TS 25.212) Spreading & Modulation Syed Mohammed Mohammed Zafi Zafi Sherhan Sherhan Shah (04TL 20) Shah (04TL 20) Spreading & Modulation Syed (3GPP TS 25.213) (3GPP TS 25.213) Simulation and Results Syed Mohammed Mohammed Zafi Zafi Sherhan Sherhan Shah (04TL 20) Shah (04TL 20) Simulation and Results Syed
Introduction to UMTS Physical layer Introduction to UMTS Physical layer Universal Mobile Telecommunication System Universal Mobile Telecommunication System Based on Wideband Code Division Multiple Access Based on Wideband Code Division Multiple Access It is one of the five interfaces adopted by the ITU under It is one of the five interfaces adopted by the ITU under the name “ “IMT IMT- -2000 Direct Spread 2000 Direct Spread” ” the name WCDMA can support multiple and simultaneous WCDMA can support multiple and simultaneous communications such as voice, images, data, and video communications such as voice, images, data, and video Very high and variable bit rates: Very high and variable bit rates: 144 kbps: vehicle speed, rural environ. 144 kbps: vehicle speed, rural environ. 384 kbps: walking speed, urban outdoor. 384 kbps: walking speed, urban outdoor. 2048 kbps: fixed, indoor. 2048 kbps: fixed, indoor. Different Different QoS QoS for different connections. for different connections. High spectrum efficient. High spectrum efficient. Coexistence with current systems Coexistence with current systems
Functions of the Physical layer Functions of the Physical layer Physical layer provides data transport support to higher Physical layer provides data transport support to higher layers via Transport Channels layers via Transport Channels Error detection. Error detection. FEC encoding/decoding. FEC encoding/decoding. Rate Matching/ Rate Matching/ Dematching Dematching. . Multiplexing/ Multiplexing/ Demultiplexing Demultiplexing different Transport Channels different Transport Channels into/from a Coded Composite Transport Channel (CCTrCH into/from a Coded Composite Transport Channel ( CCTrCH). ). Mapping/ Mapping/Demapping Demapping of of CCTrCH CCTrCH into/from Physical Channels. into/from Physical Channels. Modulation and Spreading/Demodulation and Modulation and Spreading/Demodulation and Despreading Despreading. . Power Weighting and combining of physical channels. Power Weighting and combining of physical channels. RF Processing. RF Processing. … …
Features of UMTS Features of UMTS Frequency Bands Frequency Bands 1920 to 1980 MHz (Uplink) 1920 to 1980 MHz (Uplink) 2110 to 2170 MHz (Downlink) 2110 to 2170 MHz (Downlink) RF Carrier Spacing RF Carrier Spacing 5 MHz 5 MHz RF Channel Raster RF Channel Raster 200 KHz 200 KHz Two modes of operations Two modes of operations Time Division Duplex (TDD) Time Division Duplex (TDD) Implemented in form in China as TD Implemented in form in China as TD- -SCDMA SCDMA Frequency Division Duplex (FDD) Frequency Division Duplex (FDD) Implemented worldwide as HSDPA Implemented worldwide as HSDPA
Study and Simulation of UMTS Physical layer Study and Simulation of UMTS Physical layer I ntroduction I ntroduction Syed Mohammed Syed Mohammed Zafi Zafi Sherhan Sherhan Shah (04TL 20) Shah (04TL 20) UMTS Releases Ali Madad Madad Shah (04TL 31) Shah (04TL 31) UMTS Releases Ali I ntroduction to Physical layer Farrukh Hussain Hussain Arain Arain (04TL 35) (04TL 35) I ntroduction to Physical layer Farrukh Physical Channel Mapping Ahsan Pervaiz Pervaiz Bhatti Bhatti (04TL 58) (04TL 58) Physical Channel Mapping Ahsan (3GPP TS 25.211) (3GPP TS 25.211) Physical layer procedures Sandar Ali Ali Khowaja Khowaja (04TL 30) (04TL 30) Physical layer procedures Sandar (3GPP TS 25.214) (3GPP TS 25.214) Handovers in UMTS Handovers in UMTS Rizwan Ali Shah (04TL 03) Rizwan Ali Shah (04TL 03) Coding & Multiplexing Syed Mohammed Mohammed Zafi Zafi Sherhan Sherhan Shah (04TL 20) Shah (04TL 20) Coding & Multiplexing Syed (3GPP TS 25.212) (3GPP TS 25.212) Spreading & Modulation Syed Mohammed Mohammed Zafi Zafi Sherhan Sherhan Shah (04TL 20) Shah (04TL 20) Spreading & Modulation Syed (3GPP TS 25.213) (3GPP TS 25.213) Simulation and Results Syed Mohammed Mohammed Zafi Zafi Sherhan Sherhan Shah (04TL 20) Shah (04TL 20) Simulation and Results Syed
Physical Channel Mapping Physical Channel Mapping 3GPP TS 25.211 v3.6.0 3GPP TS 25.211 v3.6.0
What are transport channels? What are transport channels? Transport Channels are those which Carry data and signalling signalling information information Transport Channels are those which Carry data and from higher layer from higher layer upto upto the physical layer. This means that they are not the physical layer. This means that they are not sent on the air interface. These channels are mapped to physical sent on the air interface. These channels are mapped to physical Channels which are sent on the air interface. Channels which are sent on the air interface.
Transport Channels Common Dedicated Broadcast Channel Dedicated Channel (BCH) (DCH) Paging Channel (PCH) Random Access Channel (RACH) Forward Access Channel (FACH) Downlink Only Downlink Shared Channel Uplink Only (DSCH) Uplink / Downlink Common Packet Channel (CPCH)
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