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Doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 1 Home Networking Requirements & Aspects for Next Generation.

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Presentation on theme: "Doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 1 Home Networking Requirements & Aspects for Next Generation."— Presentation transcript:

1 doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 1 Home Networking Requirements & Aspects for Next Generation WLAN Karsten Brüninghaus Christoph Euscher Jürgen Kockmann Siemens

2 doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 2 Topics 1.Scenarios 2.Home Networking 3.Application Data Rates 4.Future Home Network Requirements 5.System Design Aspects 6.Proposed Next Steps 7.Conclusion

3 doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 3 Basic scenarios for future Wireless LANs Home Environment Nomadic services on hot spots Wireless LAN in business and enterprise environments

4 doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 4 Home Environment Applications in Future Home Environment –Communication –Information –Entertainment

5 doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 5 Application Data Rates: Cluster Interactive games 10 5 bit/s 10 6 bit/s10 7 bit/s 10 8 bit/s

6 doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 6 Future HE Requirements 1/3 Low complex devices / Scalability –complexity and consequently the cost of a terminal is adjustable up to a certain degree depending on supported applications Coexistence with older WLAN and WPAN standards –Future WLAN devices have to be coexistent with legacy wireless products Power efficiency –long period battery backup

7 doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 7 Future HE Requirements 2/3 Availability of service with required QoS –a service (video, audio, data) is available, when the network provision complies with the user demand same coverage compared to current wireless home solutions Ease of Setup – Zero Configuration –No user involvement in network initialization and/or configuration Roaming between Home - and Cellular Networks –Mobility enhances significantly the use of devices

8 doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 8 Future HE Requirements 3/3 Security –Privacy and integrity has to be given under any circumstances –Authentication to prevent unauthorized access Handover within Home Network –Redirect traffic from one device to another without loosing connection (e.g. access point and repeater)

9 doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 9 System Design Aspects 1/2 Transmission Technique: OFDM –Robust against multipath –Less complex than broadband single carrier systems –Subcarrier specific adaptive modulation possible –Adaptive configuration to different environments possible –Allows scalable interfaces OFDM access (reduced # of subcarrier) Differential modulation (no channel estimation) Channel Bundling

10 doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 10 System Design Aspects 2/2 OFDM provides flexibility with respect to MAC –Access over time (TDMA) –Access over frequency (FDMA) Antenna Techniques –Transmit Diversity –Receive Diversity –MIMO

11 doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 11 WNG: Proposed Next Steps Definition of WNG Requirements –Service types that have to be supported –Level of QoS support –Network reference architecture –Statistic of data rates over time – traffic models –Maximum system throughput Definition of concepts –Physical layer concepts - based on OFDM –MAC layer concepts - new concept? –Network layer – how to integrate new IETF concepts?

12 doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 12 WNG: Conclusion To meet the future home networking requirements, current PHY and MAC Layer have to be improved

13 doc.: IEEE 802.11-02/182r0 Submission March 2002 Brüninghaus / Euscher / Kockmann, Siemens.Slide 13 Contacts christoph.euscher@siemens.com /cc juergen.kockmann@siemens.com

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