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Discussions On Usage Models for Portable and Mobile Devices

Discussions On Usage Models for Portable and Mobile Devices. Date: 20 12-10-23. Authors/contributor:. Category 8: Portable Device Applications. Current descriptions of portable and mobile device applications do not reflect the form factor limitations of different device types

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Discussions On Usage Models for Portable and Mobile Devices

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  1. Discussions On Usage Models for Portable and Mobile Devices Date:2012-10-23 Authors/contributor: Jianhan Liu, Mediatek, etc.

  2. Category 8: Portable Device Applications • Current descriptions of portable and mobile device applications do not reflect the form factor limitations of different device types • The limitation in return affects design • Do such limitations need to be considered in the functional requirements? Peer-to-Peer Communication Between Portable Devices Rapid Download of Mass Data from Fixed Station (e.g. Kiosk) Cloud Computing / Storage & Mass Data Synchronization Wireless Peripheral Application (e.g. HD Display , printer, etc.) Jianhan Liu, Mediatek, etc.

  3. Diversity of Portable and Mobile Devices • Portable and mobile devices come in various sizes and capabilities • Category I: Laptops (notebook, ultrabook, etc.), Tablets (iPad, Kindle fire, Android tablets, Windows Surface, etc.) • Category II: Smart Phones, iPod, etc. • Definition of Portable and Mobile devices currently in 802.11-2012 • Portable station (STA): A STA that might be moved from location to location, but that only uses network communications while at a fixed location. • At these fixed locations, a portable device may have access to power. • In general, a portable STA has a bigger battery and may be plugged in. • Mobile station (STA): A STA that uses network communications while in motion. • In general, a mobile STA has a smaller capacity battery and is smaller to fit the hand-held usage model. • Such definitions do not fully reflect the design requirements and challenges in mmWave specification. Jianhan Liu, Mediatek, etc.

  4. Form Factors that Affect 60GHz Design • Antenna array size is limited by device size • Category I Devices: up to 16 antennas? • Category II Devices: up to 4 antennas? • Battery capacity is limited by device size too • Category I Devices are generally equipped with large battery cell • Power consumption may be up to 50 watt • Category II Devices are generally equipped with small battery cell • Power consumption maybe limited to a few hundreds mW • Overall, device size has a great impact on • link margin, throughput, cost and power consumption Jianhan Liu, Mediatek, etc.

  5. Recommendations • Add throughput or range limitations based on form factors of the portable and mobile devices. Jianhan Liu, Mediatek, etc.

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