UTRA-TDD HCR

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UTRA-TDD HCR, an acronym for UMTS Terrestrial Radio Access-Time Division Duplex High Chip Rate, is one of the three UMTS air interfaces (UTRAs) standardized by the 3GPP. The channel access method used in UTRA-TDD HCR is based on a combination of TDMA and CDMA (known as TD-CDMA).[1]

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