| 2.4 GHz ISM频段的辐射环境的电磁特性 |
各种无线电通信业务免执照2.4 GHz工科医（ISM）频段的迅速发展产生了复杂的电磁环境，业务之间可能发发生干扰。此类业务的示例为IEEE 802.11无线局域网系统和数字无绳电话。附录I更加详细讨论了2.4 GHz ISM的频段环境。ITU-T K.79建议书描述了家庭、办公室和商业地点典型ISM频段辐射的电磁环境的特征。环境分析既采用理论预测，也采用实际测量。分析包括无线电系统多路径评估和不同调制的影响。根据该分析，建议了干扰电平和具体电磁设备受扰电平。 |
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| Citation: |
https://handle.itu.int/11.1002/1000/9668 |
| Series title: |
K series: Protection against interference |
| Approval date: |
2009-06-13 |
| Provisional name: | K.emc |
| Approval process: | AAP |
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Status: |
Superseded |
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Maintenance responsibility: |
ITU-T Study Group 5 |
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Further details: |
Patent statement(s)
Development history
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ITU-T Supplement
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Title
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Status
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Summary
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Table of contents
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Download
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K Suppl. 3 (10/2015)
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ITU-T K.20, K.21, K.45, K.82 – Additional criteria to protect telecommunication cabling during a power cross event
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In force
|
here
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here
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here
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K Suppl. 8 (11/2017)
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Resistibility analysis of 5G systems
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In force
|
here
|
here
|
here
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K Suppl. 9 (05/2019)
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5G technology and human exposure to radiofrequency electromagnetic fields
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In force
|
here
|
here
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here
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K Suppl. 10 (11/2017)
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Analysis of electromagnetic compatibility aspects and definition of requirements for 5G mobile systems
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In force
|
here
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here
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here
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K Suppl. 13 (12/2021)
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Radiofrequency electromagnetic field (RF-EMF) exposure levels from mobile and portable devices during different conditions of use
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In force
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here
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here
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here
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K Suppl. 14 (09/2019)
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The impact of RF-EMF exposure limits stricter than the ICNIRP or IEEE guidelines on 4G and 5G mobile network deployment
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In force
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here
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here
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here
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K Suppl. 16 (10/2022)
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Electromagnetic field compliance assessments for 5G wireless networks
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In force
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here
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here
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here
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K Suppl. 19 (09/2019)
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Electromagnetic field (EMF) strength inside underground railway trains
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In force
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here
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here
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here
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K Suppl. 29 (07/2022)
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Electromagnetic field strength inside and outside of electric vehicles using wireless power transfer technology
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In force
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here
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here
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here
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K Suppl. 32 (06/2023)
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Case studies of radio frequency- electromagnetic field (RF-EMF) assessment
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In force
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here
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here
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here
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| Title |
Approved on |
Download |
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Mitigation measures for telecommunication installations – Chapter 10
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2006
|
here
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Mitigation measures for telecommunication installations
|
2004
|
here
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Earthing and bonding
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2003
|
here
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Guide to the use of ITU-T Publications produced by Study Group 5 aimed at achieving Electromagnetic Compatibility and Safety
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2002
|
here
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Earthing of telecommunication installations
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1976
|
here
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