{
  "patent_number": "US 11974263",
  "country": "US",
  "title": "How Phones and Base Stations Talk Using Twisting Radio Waves",
  "original_title": "Method of using orbital angular momentum in a wireless communication system and apparatus therefor",
  "summary": "LG's patent describes a method for a mobile device to tell a base station which specific \"twisting\" radio wave patterns it can best receive, helping improve wireless communication.",
  "what_it_does": "This patent outlines a communication method for a mobile device (UE) to work with a base station using special radio waves that twist, called Orbital Angular Momentum (OAM) beams. First, the base station sends the UE a list of possible OAM \"states\" organized into groups (Claim 1: \"OAM state set\" with \"multiple OAM state subsets\"). The UE then receives one or more of these twisting OAM beams from the base station. Based on the OAM component, how much energy it receives, and the frequency of the beam, the UE figures out which OAM states it can detect (Claim 3). Finally, the UE reports back to the base station, indicating which group (subset) of OAM states it successfully detected (Claim 1). For example, a smartphone might receive a test signal with several OAM twists, identify the clearest one, and then tell the cell tower to use that specific twist for better data speed.",
  "what_it_does_not_cover": [
    "Does not cover OAM communication where the UE does not report back a *subset* of detectable OAM states, as Claim 1 specifies \"transmitting... information for an OAM state subset.\"",
    "Does not cover OAM communication systems that do not involve the base station sending an \"OAM state set\" to the UE first, as Claim 1 specifies \"receiving... information for an OAM state set.\"",
    "Does not cover OAM detection by the UE that is not based on the OAM component, received energy, and frequency of the beam, as Claim 3 specifies these three criteria.",
    "Does not cover OAM systems that only use a single OAM state without grouping them into subsets, as the claims focus on sets and subsets."
  ],
  "filed": "2021-09-16",
  "granted": "2024-04-30",
  "expires": "2041-09-16",
  "status": "active",
  "holder": "LG Electronics",
  "holder_url": "https://patentbrief.org/company/lg-electronics",
  "inventors": [
    {
      "name": "Uisheon KIM",
      "url": "https://patentbrief.org/inventor/uisheon-kim"
    },
    {
      "name": "Ilnam CHO",
      "url": "https://patentbrief.org/inventor/ilnam-cho"
    },
    {
      "name": "Jaehoon Chung",
      "url": "https://patentbrief.org/inventor/jaehoon-chung"
    },
    {
      "name": "Kangjae Jung",
      "url": "https://patentbrief.org/inventor/kangjae-jung"
    },
    {
      "name": "Kukheon CHOI",
      "url": "https://patentbrief.org/inventor/kukheon-choi"
    },
    {
      "name": "Byeongyong PARK",
      "url": "https://patentbrief.org/inventor/byeongyong-park"
    }
  ],
  "times_cited": 2,
  "tags": [
    "telecommunications",
    "consumer_electronics",
    "software"
  ],
  "abstract": "The present disclosure proposes a method using orbital angular momentum (OAM) and an apparatus therefor. The method performed by a UE may include receiving, from a base station, information for an OAM state set, wherein the OAM state set includes multiple OAM state subsets, and each of the multiple OAM state subsets includes one or two or more OAM states, receiving at least one OAM beam from the base station, determining a detectable at least one OAM state based on the at least one OAM beam, and transmitting, to the base station, information for an OAM state subset including the at least one OAM state within the OAM state set.",
  "url": "https://patentbrief.org/patent/us/11974263/method-of-using-orbital-angular-momentum-in-a-wireless-communication-system-and-",
  "markdown_url": "https://patentbrief.org/patent/us/11974263/method-of-using-orbital-angular-momentum-in-a-wireless-communication-system-and-/md",
  "google_patents_url": "https://patents.google.com/patent/US11974263",
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}