... differenttheoretical works, and a lack of standards and common theoretical basis can beobserved. As an example, the performance of an optical system is often givenin terms of different, and sometimes misleading, ... organization of our HMS and the idea of aniterative decoding and feedback ECC process. We outline experimental system and the results of performed measurements with different ECC and decodingmethods. ... ANALYSIS AND COMPARISON OF TRELLIS-CODED AND TURBO-CODED OPTICAL CDMA SYSTEMSM. Kulkarni, P. Purohit, and N. KannanDepartment of Electronics & Communication EngineeringDelhi College of Engineering,...