Low Power Sensor Broadcast Use Cases on WLAN
"Explore the use cases and benefits of low power sensor broadcast services on WLAN, enabling easy and fast communication between IoT devices and end-servers through access points supporting BCS."
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March 2018 doc.: IEEE 802.11-18/0532r0 Low Power Sensor Broadcast Use Cases Date: 2018-03-05 Authors: Name Affiliations Address Phone email Bahar Sadeghi Laurent Cariou Daniel Bravo Robert Stacy INTEL 2111 NE 25th Ave Hillsboro, OR 97124 USA +1-503-803-2471 Bahareh.Sadeghi@intel.com Submission Slide 1 Bahar Sadeghi, Intel Corporation
March 2018 doc.: IEEE 802.11-18/0532r0 Abstract This submission proposes use cases for consideration for Broadcast Service on WLAN [1] [2] outlines sensor data collection as a use case for broadcast service on WLAN. This contribution further develops this use case for low power sensors. Broadcast Services on WLAN is an enabler for low power Wi-Fi sensors with limited throughput requirements. Submission Slide 2 Bahar Sadeghi, Intel Corporation
March 2018 doc.: IEEE 802.11-18/0532r0 Motivation Many of IoT use cases/services are cloud services A simple and fast connection to the cloud enables low complexity, diverse set of services and use cases for low throughput low power IoT devices including sensors BCS on WLAN enables a low overhead connection between a sensor and the cloud AP AP AP AP Cloud IoT Services Traffic Weather ... AP AP AP AP AP Submission Slide 3 Bahar Sadeghi, Intel Corporation
March 2018 doc.: IEEE 802.11-18/0532r0 Use Case I Sensor on the move: IoT devices/Sensors with severe power constraints and in mobility send reports to their server through APs supporting BCS without the burden of performing scanning and association process. A STA may Either blindly transmit a self-contained PPDU and hope for it to be received and forwarded (example moving sensors in a large enterprise where an ESS is deployed with a blanket coverage with all/most APs supporting this service) Or scan for APs supporting such capabilities Example use cases: Asset tracking in enterprise/factories Children tracking in resorts Seamless smart city measurements Submission Slide 4 Bahar Sadeghi, Intel Corporation
March 2018 doc.: IEEE 802.11-18/0532r0 Use Case II Zero setup sensor: With an AP supporting BCS, the user can simply buy pre-configured IoT sensors and they will automatically connect to the end-server through the AP without any set up action required from the user. Submission Slide 5 Bahar Sadeghi, Intel Corporation
March 2018 doc.: IEEE 802.11-18/0532r0 Summary BCS on WLAN enables easy and fast communication between an IoT device and an end-server A STA can communicate with an end-server through any AP supporting BCS APs supporting BCS can forward the packets from the STA to the end-server The PPDU is self-contained, i.e., it includes the addresses of the end server, possibly the credential and the data payload for the server It is assumed that the end-device and the end-server perform higher-layer association and security key exchange beforehand BCS benefits IoT devices with throughput requirements comparable to association overhead Security implications need to be addressed Submission Slide 6 Bahar Sadeghi, Intel Corporation
March 2018 doc.: IEEE 802.11-18/0532r0 References [1] 11-18/326r0 Call for contributions [2] 11-17/1736r4 -- Broadcast Service on WLAN Submission Slide 7 Bahar Sadeghi, Intel Corporation
