Update on Bluetooth SIG's Plans for Spectrum Sharing
Bluetooth SIG provides an update on their actions and plans for sharing the 5 and 6 GHz bands with incumbents and unlicensed/license-exempt devices. The document outlines Bluetooth SIG's goals, overall plan, recent actions, and next steps in collaborating with the Wi-Fi industry to secure the future growth of Bluetooth technology.
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doc.: IEEE 802.11-24/0311r0 March 2024 Bluetooth SIG March 2024 Update Date: 2024-03-13 Authors: Name Company Address Phone email Rich Kennedy Bluetooth SIG Kirkland, WA +1-737-202-7014 rkennedy@bluetooth.com Submission Slide 1 Rich Kennedy (Bluetooth SIG)
doc.: IEEE 802.11-24/0311r0 January 2024 Abstract This is an update on Bluetooth SIG actions and plans for sharing the 5 and 6 GHz bands with incumbents and unlicensed/license- exempt devices. Submission Slide 2 Rich Kennedy (Bluetooth SIG)
doc.: IEEE 802.11-24/0311r0 January 2024 Agenda Bluetooth Sharing Goals The Overall Bluetooth SIG Plan Recent Actions ETSI BRAN #123 meeting notes Bluetooth Next Steps Submission Slide 3 Rich Kennedy (Bluetooth SIG)
doc.: IEEE 802.11-24/0311r0 January 2024 Bluetooth Sharing Goals The Bluetooth SIG recognizes the contribution the Wi-Fi industry has made in opening the 6 GHz band for unlicensed/license-exempt sharing to grow the technology Today, Bluetooth technology needs to secure its future growth The 83.5 MHz of the 2.4 GHz band is not a sufficient hedge against congestion or sufficient to support innovation Bluetooth and Wi-Fi successfully shared the 2.4 GHz band for many years Unfortunately, most of 5 GHz is not viable for Bluetooth, i.e., indoor restrictions and DFS 5.8 GHz band available in many regulatory domains Narrowband technology already deployed in U-NII-3 The 6 GHz band has room for Bluetooth and Wi-Fi, and there is time to develop optimal sharing mechanisms We will work closely with the Wi-Fi industry in IEEE 802 and Wi-Fi Alliance to enable Bluetooth sharing these band equitably Submission Slide 4 Rich Kennedy (Bluetooth SIG)
doc.: IEEE 802.11-24/0311r0 January 2024 The Overall Bluetooth SIG Plan Create an industry coalition of Bluetooth companies to drive regulatory and standards changes just as Wi-Fi did Including companies with both Wi-Fi and Bluetooth businesses Collaborate with Wi-Fi industry to drive needed changes Work with SDOs to develop optimum spectrum sharing methods and advance regulatory/standards to codify them as required ETSI BRAN New Work Item adopted in September 2023 (BRAN #120) The detailed plan can best be developed working together Now that the FCC has completed the first round of VLP decisions, we are requesting another for narrowband sharing (without geofencing) Chairwoman Rosenworcel said there will be a number of additional NPRMs Submission Slide 5 Rich Kennedy (Bluetooth SIG)
doc.: IEEE 802.11-24/0311r0 January 2024 ETSI BRAN #123 Meeting Notes There were 10 presentations regarding narrowband sharing in 6 GHz 1. Background for the first 6 GHz Harmonized Standard David Sugirtharaj (Ericsson) 2. Enabling LBT for narrowband FHSS transmission Ratnesh Kumbhkar (Intel) 3. NB test signal issues Menzo Wentink*+ (Qualcomm+) 4. Balancing Wideband & Narrowband Frequency Hopping Channel Access Mechanisms Sebastian Max* (Ericsson) 5. Bluetooth isochronous audio with LBT Menzo Wentink* (Qualcomm) 6. NB Interference on WB signal David Sugirtharaj (Ericsson) 7. Secondary Channel Deferral LBT for narrow band frequency hopping systems Pontus Arvidson (Ericsson) 8. NB channel access with LBT Menzo Wentink* (Qualcomm) 9. NB test signal changes Menzo Wentink* (Qualcomm) 10. Proposed meeting dates prior to plenary #124 ETSI BRAN Chair* EN 303 687 Rapporteur said he would like to add draft text for NB at BRAN #124 (June) BRAN Chair set up 6 interim meetings before June to work on it * Will attend IEEE 802.11 March 2024 Meeting Submission Slide 6 Rich Kennedy (Bluetooth SIG)
doc.: IEEE 802.11-24/0311r0 January 2024 ETSI BRAN New Work Item Provisions (1) To develop a channel access mechanism for Narrowband Frequency Hopping equipment operation (2) To develop mechanisms enabling LPI client-to-client operations in accordance with ECC/DEC/(20)01 and EC Decision 2021/1067 on 6 GHz WAS/RLANs (3) To consider further development of FBE and LBE parameters for channel access mechanism (4) To consider inclusion of new channelization to support next generation technologies (bandwidths exceeding 160 MHz, e. g. 320 MHz) Submission Slide 7 Rich Kennedy (Bluetooth SIG)
doc.: IEEE 802.11-24/0311r0 January 2024 Recent Actions Continued review of sharing simulation results at Bluetooth SIG and ETSI BRAN Heard several proposals for access mechanisms LBT Secondary Channel Deferral LBT Secondary Channel Deferral LBT with EDT Ramp-up Dynamic Puncturing Discussion of acceptable limits Submission Slide 8 Rich Kennedy (Bluetooth SIG)
doc.: IEEE 802.11-24/0311r0 January 2024 Bluetooth Next Steps Pursuing FCC FNPRM follow-on for narrowband VLP NPRMs Participating in and contributing to the ETSI BRAN development of narrowband channel access mechanisms in 6 GHz ETSI BRAN #124 June 2024 Exploring enhanced sharing mechanisms for the 5725 5850 MHz band Further regulatory action needed on the 5.8 GHz band globally China: Bluetooth type-approval requirements Japan: 5.8 GHz band limited by DSRC Road Tolling can VLP share? Submission Slide 9 Rich Kennedy (Bluetooth SIG)
