Update on Bluetooth SIG Actions for Spectrum Sharing
This update focuses on Bluetooth SIG's plans to share the 5 and 6 GHz bands with incumbents and unlicensed devices. It discusses the goals, overall plan, recent actions, and collaboration with the Wi-Fi industry to secure the future growth of Bluetooth technology in these bands.
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doc.: IEEE 802.11-23/1738r1 November 2023 Bluetooth SIG November 2023 Update Date: 2023-10-15 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 802.11-23/1738r1 November 2023 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 802.11-23/1738r1 November 2023 Agenda Bluetooth Sharing Goals The Overall Bluetooth SIG Plan Recent Actions ETSI BRAN #120 New Work Item; BRAN #121 Bluetooth Next Steps Submission Slide 3 Rich Kennedy (Bluetooth SIG)
doc.: IEEE 802.11-23/1738r1 November 2023 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 802.11-23/1738r1 November 2023 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 (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 802.11-23/1738r1 November 2023 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 6 Rich Kennedy (Bluetooth SIG)
doc.: IEEE 802.11-23/1738r1 November 2023 Recent Actions Meetings with the US FCC Met with: Chairwoman Rosenworcel Commissioners Gomez, Carr and Starks Commissioner Simington s Chief of Staff OET (13 people) Messages Tremendous market growth 5 billion new devices in 2023 Strong Bluetooth technology roadmap adding more use cases and demanding applications Need for additional spectrum Working with other unlicensed technologies to optimize sharing Submission Slide 7 Rich Kennedy (Bluetooth SIG)
doc.: IEEE 802.11-23/1738r1 November 2023 Recent Actions [2] Message summary: Bluetooth is the most deployed wireless connectivity technology supporting a vast array of applications With 5 billion new devices shipping this year (7 billion by 2027) added to the 10s of billions already in use, 83.5 MHz of spectrum will not suffice The strong Bluetooth technology roadmap needs room to grow: Bluetooth needs additional spectrum The Bluetooth SIG with its >40,000 members will work with the Commission and regulators world- wide to optimize coexistence for the benefit of all users of the band FCC 23-86: [W]e believe that this may be a first step rather than the culmination of the rulemaking process regarding VLP use in the 6 GHz band. Studies continue at the SIG, IEEE 802.11 Coexistence SC and ETSI BRAN Submission Slide 8 Rich Kennedy (Bluetooth SIG)
doc.: IEEE 802.11-23/1738r1 November 2023 Bluetooth Next Steps Pursuing FCC FNPRM follow-on VLP NPRMs Participating in and contributing to the ETSI BRAN development of narrowband channel access mechanisms in 6 GHz ETSI BRAN #123 February 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)
