HRM (hypothetical reference model) The HRM (Hypothetical Reference Model) is a framework developed by
HRD (Horizontal Reflection and Diffraction) Horizontal Reflection and Diffraction (HRD) is a phenomenon that occurs
HRAA (Hierarchical Resource Allocation Approach) Introduction Hierarchical Resource Allocation Approach (HRAA) is a widely used
HR/DSSS (High-rate/direct sequence spread spectrum) Introduction High-rate/direct sequence spread spectrum (HR/DSSS) is a