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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Massive MIMO in 5G: How Beamforming, Codebooks, and Feedback Enable Larger Arrays · HackerPapers discussions</title><link>https://hackerpaper.kaipfister.de/p/2301.13390/</link><description>Collected HN comments and submissions linking this paper.</description><language>en</language><lastBuildDate>Mon, 02 Nov 2026 11:16:22 GMT</lastBuildDate><atom:link href="https://hackerpaper.kaipfister.de/p/2301.13390/feed.xml" rel="self" type="application/rss+xml" /><item><title>Massive MIMO in 5G: How Beamforming, Codebooks, and Feedback Enable Larger Arrays — mentioned by Lammy</title><link>https://news.ycombinator.com/item?id=43034106</link><guid isPermaLink="false">urn:hackerpapers:mention:2301.13390:43034106</guid><pubDate>Thu, 13 Feb 2025 08:59:59 GMT</pubDate><description>&lt;p&gt;That&amp;#x27;s completely a false sense of security with 5G systems, because the way it achieves that high bandwidth is by literally “steering the beam” to follow you, i.e. precise location surveillance is an implicit part of using it: https://arxiv.org/pdf/2301.13390 “The initial access period includes the transmission of beamformed SSBs that provide the UEs with a basic synchronization signal and demodulation reference signals. This allows for UEs to save power by going inactive and rejoining the network at a later initial access period. At the physical layer, the UE will receive the SSBs from a…&lt;/p&gt;&lt;p&gt;&lt;a href="https://hackerpaper.kaipfister.de/p/2301.13390/"&gt;Paper and discussion history&lt;/a&gt;. A mention is not an endorsement.&lt;/p&gt;</description><category>eess.SP</category></item></channel></rss>
