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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://fosstodon.org/users/AkaSci/statuses/111786123509171721">AkaSci 🛰️ (akasci@fosstodon.org)'s status on Monday, 22-Jan-2024 00:43:07 JST</a><a href="https://fosstodon.org/@AkaSci" title="akasci@fosstodon.org"><img src="https://gnusocial.jp/avatar/20805-48-20221219024513.webp" width="48" height="48" alt="AkaSci 🛰️" style="position: absolute; left: 0; top: 0;">AkaSci 🛰️</a><div><a href="https://fosstodon.org/@AkaSci/111786104626494931" rel="in-reply-to">in reply to</a></div></section><article><p>Mars helicopter Ingenuity communicates with rover Perseverance using the ultra-low-power Zibgee protocol standard over a 914 MHz link.</p><p>Data rate: up to 250 kbps<br>Range: up to 1 km<br>Antenna: Monopole, omni-directional, 7.3 cm tall, 1 mm thick, gold-plated stainless steel<br>Telecom subsystem mass &lt; 14 g, incl. cables and antenna<br>Electronics: Commercial off-the-shelf (COTS) radio and processor elements, not radiation hardened!</p><p><a href="https://www.researchgate.net/publication/341504369_The_Mars_Helicopter_Telecommunication_Link_Antennas_Propagation_and_Link_Analysis" rel="nofollow noreferrer">https://www.researchgate.net/publication/341504369_The_Mars_Helicopter_Telecommunication_Link_Antennas_Propagation_and_Link_Analysis</a><br><a href="https://en.wikipedia.org/wiki/Zigbee" rel="nofollow noreferrer">https://en.wikipedia.org/wiki/Zigbee</a><br><a href="https://fosstodon.org/tags/Mars" rel="tag">#Mars</a> <a href="https://fosstodon.org/tags/Ingenuity" rel="tag">#Ingenuity</a><br>2/n</p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/2616600#notice-5183195">In conversation</a><time datetime="2024-01-22T00:43:07+09:00" title="Monday, 22-Jan-2024 00:43:07 JST">about 10 months ago</time> <span>from <span><a href="https://fosstodon.org/@AkaSci/111786123509171721" rel="external" title="Sent from fosstodon.org via ActivityPub">fosstodon.org</a></span></span><a href="https://fosstodon.org/@AkaSci/111786123509171721">permalink</a><h4>Attachments</h4><ol><li><label><a rel="external" href="https://gnusocial.jp/attachment/2145376">A block diagram of the Mars Helicopter/M2020 telecommunication subsystem.</a></label><br><a href="https://cdn.fosstodon.org/media_attachments/files/111/786/200/851/463/624/original/448104a6ac14658b.png" rel="external">https://cdn.fosstodon.org/media_attachments/files/111/786/200/851/463/624/original/448104a6ac14658b.png</a></li><li><article><header><div>Domain not in remote thumbnail source whitelist: upload.wikimedia.org</div><h5><a href="https://en.wikipedia.org/wiki/Zigbee">Zigbee</a></h5><div></div></header><div>Zigbee is an IEEE 802.15.4-based specification for a suite of high-level communication protocols used to create personal area networks with small, low-power digital radios, such as for home automation, medical device data collection, and other low-power low-bandwidth needs, designed for small scale projects which need wireless connection. Hence, Zigbee is a low-power, low data rate, and close proximity (i.e., personal area) wireless ad hoc network.
The technology defined by the Zigbee specification is intended to be simpler and less expensive than other wireless personal area networks (WPANs), such as Bluetooth or more general wireless networking such as Wi-Fi. Applications include wireless light switches, home energy monitors, traffic management systems, and other consumer and industrial equipment that requires short-range low-rate wireless data transfer.
Its low power consumption limits transmission distances to 10–100 meters (30' to 300') line-of-sight, depending on power output and environmental characteristics. Zigbee devices can transmit data over long distances by passing data through a mesh network of intermediate devices...</div><footer></footer></article></li></ol></footer></blockquote>

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AkaSci 🛰️ (akasci@fosstodon.org)'s status on Monday, 22-Jan-2024 00:43:07 JST AkaSci 🛰️
in reply to
Mars helicopter Ingenuity communicates with rover Perseverance using the ultra-low-power Zibgee protocol standard over a 914 MHz link.
Data rate: up to 250 kbps
Range: up to 1 km
Antenna: Monopole, omni-directional, 7.3 cm tall, 1 mm thick, gold-plated stainless steel
Telecom subsystem mass < 14 g, incl. cables and antenna
Electronics: Commercial off-the-shelf (COTS) radio and processor elements, not radiation hardened!
https://www.researchgate.net/publication/341504369_The_Mars_Helicopter_Telecommunication_Link_Antennas_Propagation_and_Link_Analysis
https://en.wikipedia.org/wiki/Zigbee
#Mars #Ingenuity
2/n
In conversationabout 10 months ago from fosstodon.orgpermalink
Attachments
1. A block diagram of the Mars Helicopter/M2020 telecommunication subsystem.
  https://cdn.fosstodon.org/media_attachments/files/111/786/200/851/463/624/original/448104a6ac14658b.png
2. Domain not in remote thumbnail source whitelist: upload.wikimedia.org
  Zigbee
  Zigbee is an IEEE 802.15.4-based specification for a suite of high-level communication protocols used to create personal area networks with small, low-power digital radios, such as for home automation, medical device data collection, and other low-power low-bandwidth needs, designed for small scale projects which need wireless connection. Hence, Zigbee is a low-power, low data rate, and close proximity (i.e., personal area) wireless ad hoc network. The technology defined by the Zigbee specification is intended to be simpler and less expensive than other wireless personal area networks (WPANs), such as Bluetooth or more general wireless networking such as Wi-Fi. Applications include wireless light switches, home energy monitors, traffic management systems, and other consumer and industrial equipment that requires short-range low-rate wireless data transfer. Its low power consumption limits transmission distances to 10–100 meters (30' to 300') line-of-sight, depending on power output and environmental characteristics. Zigbee devices can transmit data over long distances by passing data through a mesh network of intermediate devices...

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