The handbook meticulously details the theoretical models used to predict antenna performance:
: Covers classic approaches such as Transmission Line Theory , which treats the patch as a section of a microstrip line, and the Cavity Model , which views the region between the patch and ground plane as a resonant cavity. Handbook of microstrip antennas
: Extends simple models to analyze mutual coupling in arrays and complex patch geometries. Key Design Challenges & Solutions Microstrip Antenna Design Handbook and the Cavity Model