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E-UTRA - Wikipedia, the free encyclopedia
瀏覽：1148
日期：2026-04-21
LTE supports both Frequency-division duplex (FDD) and Time-division duplex (TDD) modes. While FDD makes use of paired spectra for UL and DL transmission separated by a duplex frequency gap, TDD splits one frequency carrier into alternating time periods fo...看更多
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