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  2. Duplex (telecommunications) - Wikipedia

    en.wikipedia.org/wiki/Duplex_(telecommunications)

    For example, a walkie-talkie or a DECT phone or so-called TDD 4G or 5G phones requires only a single frequency for bidirectional communication, while a cell phone in the so-called FDD mode is a full-duplex device, and generally requires two frequencies to carry the two simultaneous voice channels, one in each direction.

  3. E-UTRA - Wikipedia

    en.wikipedia.org/wiki/E-UTRA

    EUTRAN architecture as part of a LTE and SAE network E-UTRA is the air interface of 3rd Generation Partnership Project ( 3GPP ) Long Term Evolution (LTE) upgrade path for mobile networks. It is an acronym for Evolved UMTS Terrestrial Radio Access , [ 1 ] also known as the Evolved Universal Terrestrial Radio Access in early drafts of the 3GPP ...

  4. LTE (telecommunication) - Wikipedia

    en.wikipedia.org/wiki/LTE_(telecommunication)

    Further, the bands for LTE-TDD overlap with those used for WiMAX, which can easily be upgraded to support LTE-TDD. [79] Despite the differences in how the two types of LTE handle data transmission, LTE-TDD and LTE-FDD share 90 percent of their core technology, making it possible for the same chipsets and networks to use both versions of LTE.

  5. Keysight & Qualcomm Jointly Unveils 5G NR Data in FDD Mode - AOL

    www.aol.com/news/keysight-qualcomm-jointly...

    Keysight (KEYS) benefits on the back of its strength in robust 5G product portfolio comprising comprehensive set of test and design solutions.

  6. Time-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Time-division_multiple_access

    UTRA-TDD (Time Division Duplex), on the other hand, combines CDMA with TDMA and TDD. In this scheme, the same frequency band is used for both uplink and downlink, but at different times. This time-based separation is particularly advantageous in scenarios with asymmetric traffic loads, where the data rates for uplink and downlink differ ...

  7. Orthogonal frequency-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Orthogonal_frequency...

    The downlink and the uplink of the 3GPP 5G New Radio (5G NR) fifth-generation mobile network standard. 5G NR is the successor to LTE. The Qualcomm Flarion Technologies Mobile Flash-OFDM; The now defunct Qualcomm/3GPP2 Ultra Mobile Broadband (UMB) project, intended as a successor of CDMA2000 but replaced by LTE

  8. Intel just told us when its new 5G modem is going to start ...

    www.aol.com/news/intel-just-told-us-5g-modem...

    <p>Intel has decided to accelerate the timetable for the launch and deployment of its new XMM 8160 5G modem, which the company says it's going to make available to manufacturers six months earlier ...

  9. LTE frequency bands - Wikipedia

    en.wikipedia.org/wiki/LTE_frequency_bands

    Networks on LTE bands 1, 3 (LTE-FDD) are suitable for roaming in ITU Regions 1, 3 and partially Region 2 (e.g. Costa Rica, Venezuela, Brazil and some Caribbean countries or territories. Networks on LTE band 20 (LTE-FDD) are suitable for roaming in ITU Region 1 only. Networks on LTE band 5 (LTE-FDD) are suitable for roaming in ITU Regions 2 and 3.