December 2008
Intermediate to advanced
198 pages
4h 29m
English
book
Single Carrier FDMA: A New Air Interface for Long Term Evolution
by Hyung G. Myung, David Goodman
Content preview from Single Carrier FDMA: A New Air Interface for Long Term EvolutionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Appendix A
Derivation of Time Domain Symbols of Localized FDMA and Distributed FDMA
In this appendix, we use the symbol notations described in Figure A.1: xm (m = 0, 1, …, M − 1) represents modulated source symbols and Xk (k = 0, 1, …, M − 1) represents M samples of the DFT of xm; Yl (l = 0, 1, …, N − 1) represents the frequency domain samples after subcarrier mapping and yn (n = 0, 1, …, N − 1) represents the transmitted time domain channel symbols that are obtained from the inverse DFT (IDFT) of Yn.
A.1 Time Domain Symbols of LFDMA
For LFDMA, the frequency samples after subcarrier mapping {Yl} can be described as follows:
Let n = Q · m + q, where 0 ≤ m ≤ M − 1, 0 ≤ q ≤ Q − 1, and N = Q · M. Then
If q = 0, then
Figure A.1 Symbol notations for SC-FDMA modulations
If q ≠ 0, since 
, then Equation (A.2) can be expressed as follows:
Thus,
A.2 Time Domain Symbols of DFDMA
For DFDMA, the frequency ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.