Library

Papers

GNSS-SDR

1. Turning a Television into a GNSS Receiver (link)
2. GNSS-SDR: an open source tool for researchers and developers (link)
3. Design Patterns for GNSS Software Receivers (link)
4. ... (link)

GNSS-SDRLIB+RTKNAVI

1. GNSS-SDRLIB: Introduction and Practice of GNSS Software Receiver (link)

Theory

1. GNSS Array-based Acquisition: Theory and Implementation (link)
2. GPS ICD (link)

Books

Matlab SDR

1. Software Defined Radio using MATLAB & Simulink and the RTL-SDRDesktop SDR - Free PDF Textbook (free pdf textbook with code)

SDR

1. Pentek "Software-Defined Radio Handbook" Rodger H. Hosking. Excellent, concise summary of SDR

DSP, etc.

1. Practical Signal Processing (link)
2. Understanding Digital Signal Processing (link) Michael Ossmann of HackRF notes Chapter 13, "Digital Signal Processing Tricks" is especially valuable for code developers.
3. Software Receiver Design (link)