What Are the Advantages and Disadvantages of FHSS and DSSS

The direct sequence spread spectrum (DSSS) technology has advantages in high-reliability applications, whereas the frequency hopping spread spectrum (FHSS) technology has advantages in low-cost applications. Generally, DSSS fast transmits data in full-band mode, and allows for a higher transmission frequency in the future. The DSSS technology applies to a fixed environment or applications requiring high transmission quality. Therefore, DSSS wireless products are usually used in wireless plants, wireless hospitals, network communities, and campus networking. The FHSS technology applies to the endpoints requiring fast mobility. Because the FHSS transmission range is small, more FHSS devices than DSSS devices are required in the same transmission environment, which requires a high cost.

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