Lte slot duration. What is CP (Cyclic Prefix) in LTE? - telecomHall

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For example, in an urban slots magic casino no deposit bonus codes, multiple components multipath comes from relatively small distances - and the CP can be smaller.

Each uplink user transmits a Demodulation Reference Signal during certain symbols in each resource block allocated to the user.

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It can be seen from the table below that the subframes 0 and 5 as well as DwPTS are always reserved for the downlink. Every channel uses CW0.

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The LTE half-frames are further split into five subframes, each 1ms long. The signals are used by the receiver to perform certain Physical layer functions such as synchronization and equalization.

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Conclusion Now we know another concept used in LTE networks, the Cyclic Prefix CPalso used in other technologies that utilize the transfer of symbols in their communication, while preserving the orthogonality of subcarriers in OFDM transmission. Also, CW1 is only available when using spatial multiplexing.

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There are 7 possible uplink-downlink configurations. The receiver already "knows" the last part of the symbol at the time it receives the first component of the signal, the multipath shortest path.

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Modulation Channels and signals are handled at different stages of the transmit chain. But we must always consider the 'cost-benefit' point of view. Equivalent to 6 symbols per slot or Scrambling and modulation Next, the data in each codeword is scrambled using a scrambling sequence for protection against burst errors.

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Then the binary data from this scrambling process is split into chunks depending on the modulation type chosen 6 bits for 64QAM, 4 bits for 16QAM, etc. Subframe 1 is always configured to be a special subframe. To be used in the first case described above. The following image illustrates this process.

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Furthermore, the capacity required for hardware implementation is much higher compared to the CP. In order that this can be achieved in an ordered fashion, a number of standard configurations have been set within the LTE standards.


Codeword-to-layer mapping splits the data into layers. In the case of the 5ms switch point periodicity, a special subframe exists in both half frames.

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SRS can be transmitted on any number of subcarriers in the last symbol in an uplink subframe whether or not the subcarriers are assigned to another channel. A mathematical operation performed on a time-domain signal to yield the individual spectral components that constitute the signal.

As we are talking about LTE although the concept applies to any technology that uses symbols to convey informationwe will start from LTE symbols. In an earlier tutorial we already saw for example the Rake receiver, which has a much better 'efficiency'.

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