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Code selection approach for partitioned cyclic code shift keying to improve multinet capability

In this paper, we propose a new code selection approach for partitioned cyclic code shift keying (PCCSK) to improve the multinet capability of Joint Tactical Information Distribution Systems (JTIDS). The multinet capability of JTIDS enables concurrent operations in battle fields by allowing simultaneous data transmission and reception. PCCSK is a spread spectrum technique that supports various data rates and improves the data rate of JTIDS. The existing approach to PCCSK employs Reed Solomon (RS) code selection, and allows the dissemination of multiple access interference from the contaminated pulse to other pulses, and degrades the multinet capability. To prevent this error propagation, the proposed code selection approach restricts the RS symbol to be transmitted within one pulse. Simulation results show that the waveforms obtained using the proposed scheme outperform the previous waveforms including the JTIDS waveform with respect to both the multinet capability and the data rate.