Questions tagged [sc-fdma]

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The relation of sub-carrier and FDMA

In Mengyu Liu, Yuan Liu, "Charge-then-Forward: Wireless Powered Communication for Multiuser Relay Networks", it is said that while information signals are conveyed by using FDMA over $N$ sub-...
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Why is LTE either FDD or TDD?

In LTE systems, up- and downlink are duplexed either using FDD or TDD. Why has this not been designed to utilize the same multiplexing technique as used for the downlink (OFDMA)? Resource blocks could ...
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SC-FDMA in LTE system

I am trying to understand how SC-FDMA is used in LTE system. Every description I found so far refers to DFT and IDFT. However, when I checked 3GPP TS 36.211 chapter 5.4 (SC-FDMA baseband signal ...
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SC-FDMA disadvantages

I understand the advantages of SC-FDMA over OFDM and I also understand the disadvantage of additional complexity (FFT block), are there another disadvantages? Also, if $N$ has to be bigger than $M$ ($...