Brokerage 2007 presentation wireless

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Brokerage 2007 presentation wireless

  1. 1. Mobile and wireless communications Ingrid Moerman
  2. 2. Outline  Main competences 1. Network Architectures 2. Network Protocols (L2-L5) Layer 5 (Application) Cross Layer Layer 4 (Transport) 3. Physical Layer (L1) Layer 3 (Network) Layer 2 (Link) 4. Cross Layer (L1-5) Layer 1 (Physical) 5. Technologies & standardization  Demonstrations 2
  3. 3. 1. Network Architectures  Access (incl. FMC)  Mesh Multimedia service  Ad Hoc provider network  Sensor/Actuator  Satellite SGW IP-based core network SGW aggregation network AGW AGW AGW AGW aggregation network AGW access network access network sensor network ad hoc network High mobility environment Low mobility environment 3
  4. 4. 4 Interworking Co-operation Energy-efficiency Scalability Heterogeneity (Auto)configuration Quality of Service 2. Network Protocols Mobility Support Data link convergence Medium Access Applications Routing
  5. 5. Post Registration Mobile IP with Buffering CN HA Internet oFA nFA oAP nAP 5
  6. 6. Post Registration Mobile IP with Buffering CN HA Internet oFA nFA oAP nAP 6
  7. 7. Post Registration Mobile IP with Buffering CN HA Internet oFA HRqst HRply nFA oAP nAP 7
  8. 8. Post Registration Mobile IP with Buffering CN HA Internet Flush MIP registration oFA nFA oAP nAP 8
  9. 9. 3. Physical Layer  Signal propagation DVB-H coverage In Gent  Low power air interfaces  Radio technologies  MIMO  Software Defined Radio  Agile radio  Cognitive radio Cable Replacements IEEE 802.15.4a/802.15.3c WiMAX RF Front -End SW Programmable DAC send/receive IEEE 802.16d,e digital baseband RF Front -End platform ADC send/receive LAN IEEE 802.11a,b,e,g,n Broadcast Cellular DVB -H, DMB, DAB GSM, UMTS, 3GPPLTE  Coupling between hardware design and process technology 9
  10. 10. Cognitive Radio: Handover Concept @ Outdoor: Cellular: Quick connection to Mesh networks: internet WSN / Cellular networks @ Neighborhood: WLAN: connection to ISP ALWAYS @ Home: WLAN BEST @ City: City networks: VoIP / web access WLAN, WiMAX, Cellular CONNECTED 10
  11. 11. 4. Cross-Layer  E2E cross layer optimization  L2 triggered handover  routing/energy consumption optimization  content-based scheduling Application Layer  Modular protocol design Basic modules Advanced Optional modules modules Network manage Cross-Layer Synchro Data for - ment - isation n warding QoS Power - Trans - Load Data manage - mission balan- aggre- Mobility ment cing gation Neigh - Position MAC bor dis - Clus - Rou- disco - covery tering ting very Physical layer 11
  12. 12. 5. Technologies & standardization Mobility High-speed train In vehicle Driving 3G/UMTS Be 4G in country yo (LT nd E 3G ) Driving in city HSDPA GSM DVB-H In motion GPRS DAB Walking WiMAX EDGE Shifting 802.16a/e locations 802.11b 802.11a/g DECT Stationary In UW 802.11n buildings B (8 Zi .15. 80 02.1 gB 4/ 2 5.3/ ee a Persona BlueTooth a) l 802.15.1 WLAN data rate sphere 12 0.1 1 10 100 Mbps
  13. 13. Demonstrations  GeoBIPS: Geographical Broadbrand Integration for Public Services  Wireless Mesh Network  WBA: Wireless Building Automation  Energy-Aware Cross-Layer scheduler 13

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