{
  "patent_number": "US 12451984",
  "country": "US",
  "title": "Modeling Wireless Channels for Future 6G Networks",
  "original_title": "6G pervasive channel modeling method suitable for all frequency bands and all scenarios",
  "summary": "This patent describes a method for creating detailed mathematical models of how wireless signals travel in future 6G networks, covering all types of frequencies and environments.",
  "what_it_does": "This patent details a method for creating comprehensive models of wireless communication channels, specifically for 6G networks. It starts by defining the environment, like the frequency band (from sub-6 GHz to terahertz), the type of antennas used, and the placement of devices. Then, it calculates various signal losses, including path loss, shadowing (obstacles), and weather effects. The method models how signals bounce off surfaces (scatterers) to determine their delay, angle, and strength. Finally, it accounts for movement of devices and changes in the environment over time to update these channel models dynamically, ensuring accurate signal transmission and reception.",
  "what_it_does_not_cover": [
    "Modeling methods that do not account for both large-scale and small-scale fading effects simultaneously.",
    "Channel models that are limited to only specific frequency bands like only sub-6 GHz or only millimeter wave.",
    "Methods that do not consider the spatial consistency of channel parameters.",
    "Models that do not include the 'birth-death' process of signal clusters over time.",
    "Channel modeling for existing 4G or 5G networks that do not incorporate the specific elements defined for 6G."
  ],
  "filed": "2023-03-19",
  "granted": "2025-10-21",
  "expires": "2043-03-19",
  "status": "active",
  "holder": "Southeast University",
  "holder_url": "https://patentbrief.org/company/southeast-university",
  "inventors": [
    {
      "name": "Chengxiang WANG",
      "url": "https://patentbrief.org/inventor/chengxiang-wang"
    },
    {
      "name": "Zhen Lv",
      "url": "https://patentbrief.org/inventor/zhen-lv"
    }
  ],
  "times_cited": 0,
  "tags": [
    "telecommunications",
    "software",
    "semiconductors"
  ],
  "abstract": "A 6G pervasive channel modeling method includes the following steps: S1, setting a propagation scenario and a propagation condition, and determining a carrier frequency, an antenna type, a layout of a transmitting end and a receiving end, and the like; S2, generating large-scale fadings such as path loss, shadowing and blocking effect loss; S3, generating large-scale parameters having spatial consistency; S4, generating scatterer positions in ellipsoid Gaussian scattering distribution, and calculating a delay, an angle and a power of a cluster according to the positions of the transmitting end, the receiving end and the scatterers to generate a channel coefficient, and S5, on the basis of movements of the transmitting end and the receiving end and a birth-death process of each cluster, updating the large scale parameters and small-scale parameters, and generating a new channel coefficient.",
  "url": "https://patentbrief.org/patent/us/12451984/6g-pervasive-channel-modeling-method-suitable-for-all-frequency-bands-and-all-sc",
  "markdown_url": "https://patentbrief.org/patent/us/12451984/6g-pervasive-channel-modeling-method-suitable-for-all-frequency-bands-and-all-sc/md",
  "google_patents_url": "https://patents.google.com/patent/US12451984",
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