April 2017
Intermediate to advanced
824 pages
45h 4m
English
Content preview from Digital Communications with Emphasis on Data Modems
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,
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.
SUMMARY OF NOTATIONS
| Notation | Description |
| T | Modulation symbol duration† (= 1/Rs) |
| Tb | Information bit duration (= 1/Rb) |
| Tx | Transmitter subsystem |
| Rx | Receiver subsystem |
| No | One‐sided white noise spectral density |
| = | Equal |
| ≅ | Approximately equal |
| ≠ | Not equal |
| ~ | Asymptotically equal |
| <, >; ≤, ≥ | Inequality; inclusion |
| o.w. | Otherwise all values not indicated |
| → | Approaches in the limit |
| ∀ | For all |
|
Definition |
| ⇒ | Implies |
| ⇔ | Transform pair |
| 1/ab | Inline division: 1 ÷ ab |
| ⌊x⌋ | Floor: greatest integer ≤ x |
| ⌈x⌉ | Ceiling: smallest integer ≥ x |
| (xt1, …, xtn) | Finite time sequence of elements xt |
| {x1, …, xn} | Finite set of elements x |
| <x(t)> | Time average |
|
Summation over all i except i = 0 |
| [x], int(x) | Integer value of x |
| Notation | Description |
| [x]n, nint(x) | Nearest integer to x computed as: [x+.5]: x > 0 and [x−.5]; x ≤ 0 |
|
Binomial coefficient |
| [A]T | Matrix transpose |
| [A]* | Matrix conjugation |
| [A]+ | Matrix complex conjugate transpose |
| |A|, |A|det | Determinate of matrix |
| δij | Kronecker delta function: δij = 1: i = j; o.w. δij = 0 |
| δ(t) | Delta function:  |
| sinc(fT ... |
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.