№ files_lp_4_process_1_36160
Technical contribution to ECC PT1 presenting assumptions, parameters and a study methodology for evaluating interference and coexistence conditions between 5G/IMT base stations and aircraft radio altimeters during landing operations.
Year: 2023
Date issued: 19 June 2023
Organization: ECC PT1 (Electronic Communications Committee Project Team 1)
Source: ANFR
Country submitting proposal: France
Document identifier: ECC PT1(23)144
Subject: Impact of IMT/5G base station emissions on aircraft radio altimeters
Frequency bands considered: 3.4–3.8 GHz (MFCN) and 3.8–4.2 GHz (WBB LMP)
Usage category considered: UC1 radio altimeters for civil aviation CAT III automatic landing operations
Technical focus: Interference assessment, coexistence studies, protection criteria for radio altimeters
Methodology elements: Scenario definition, base station parameters, antenna patterns, protection criteria and assumptions
Study scenario: Aircraft landing trajectory near airport runway with nearby 5G base station and user equipment
Propagation model: Free-space path loss (ITU-R P.525-4)
Protection criteria sources: RTCA and AVSI reports
Research phases proposed: Phase 1 – coexistence conditions with existing radio altimeters; Phase 2 – coexistence with future radio altimeter parameters
Target audience: ECC PT1 participants, spectrum regulators, aviation and telecommunications technical experts
Price: 8 / 10 USD
The file will be delivered to the email address provided at checkout within 12 hours.

Don’t have cryptocurrency yet?

You can still complete your purchase in a few minutes:
  1. Buy Crypto in a trusted app (Coinbase, Kraken, Cash App or any similar service).
  2. In the app, tap Send.
  3. Select network, paste our wallet address.
  4. Send the exact amount shown above.
After sending, paste your TXID (transaction ID) and your email to receive the download link. Need help? Contact support and we’ll guide you step by step.