Comparing Networking Standards and Characteristics

Although wireless technologies have grown significantly in the past few years, there really aren’t that many standards that are commonly used. Chapter 7 introduced the common wireless standards, and Table 12-1 shows them here with some of their characteristics. The following sections in this chapter explore these standards in more depth.

Table 12-1 Current wireless standards

Comparing FHSS, DSSS, and OFDM

Any devices that use radio frequency (RF) signals are susceptible to interference. For example, some cordless phones use this same frequency band as many wireless devices. When more than one device transmits on the same frequency at the same time, it causes interference. For a wireless LAN, this interference can negatively affect performance.