SpaceX Has a Plan for Starlink to Hit Gigabit Speeds

October 18, 2024:

SpaceX is seeking approval for changes to Starlink that the company says will enable gigabit-per-second broadband service. In an application submitted to the US Federal Communications Commission on October 11, SpaceX claims the requested “modification and its companion amendment will enable the Gen2 system to deliver gigabit-speed, truly low-latency broadband and ubiquitous mobile connectivity to all Americans and the billions of people globally who still lack access to adequate broadband.”

SpaceX said it is seeking “several small-but-meaningful updates to the orbital configuration and operational parameters for its Gen2 space station authorization to improve space sustainability, better respond to evolving demand, and more efficiently share spectrum with other spectrum users.”

SpaceX wants to lower the altitudes of satellites “at 525 km, 530 km, and 535 km to 480 km, 485 km, and 475 km altitude, respectively.” The reconfiguration will increase the “potential maximum number of orbital planes and satellites per plane” while keeping the planned total number of second-generation satellites at 29,988 or less. The FCC has so far approved 7,500 Gen2 satellites.

SpaceX CEO Elon Musk wrote Monday that “next generation Starlink satellites, which are so big that only Starship can launch them, will allow for a 10X increase in bandwidth and, with the reduced altitude, faster latency.”

SpaceX promised gigabit speeds in 2016, when the satellite system was just in the planning stages and didn’t even have a name yet. “Once fully optimized through the Final Deployment, the system will be able to provide high bandwidth (up to 1 Gbps per user), low-latency broadband services for consumers and businesses in the US and globally,” SpaceX told the FCC in November 2016.

As for actual speeds in 2024, Starlink’s website says “users typically experience download speeds between 25 and 220 Mbps, with a majority of users experiencing speeds over 100 Mbps. Upload speeds are typically between 5 and 20 Mbps. Latency ranges between 25 and 60 ms on land, and 100+ ms in certain remote locations.”

Changing Satellite Elevation Angles

Another request would change the elevation angles of satellites to improve network performance, SpaceX said. “SpaceX seeks to lower its minimum elevation angle from 25 degrees to 20 degrees for satellites operating between 400 and 500 kilometers altitude,” SpaceX told the FCC. “Reducing the minimum elevation angle in this way will enhance customer connectivity by allowing satellites to connect to more earth stations directly and to maintain connections with earth stations for a longer period of time while flying overhead.”

Meanwhile, upgrades to Starlink’s Gen2 satellites “will feature enhanced hardware that can use higher gain and more advanced beamforming and digital processing technologies and provide more targeted and robust coverage for American consumers,” SpaceX said.

SpaceX is also seeking more flexible use of spectrum licenses to support its planned mobile service and the current home internet service. The company asked for permission “to use Ka-, V-, and E-band frequencies for either mobile- or fixed-satellite use cases where the US or International Table of Frequency Allocations permits such dual use and where the antenna parameters would be indistinguishable.”

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