... conference room, in the parking lot, or even in the coffee house across the street. As long as the wireless users remain within the range of the basestation, they can take advantage of the network. ... with the PCF, describes the point coordination function. The PCFis not widely implemented, so this chapter can be skipped for most purposes. The PCF is the basis forcontention-free access to the ... valued because they get the details right, and convey them in an easierfashion than the unadorned technical specification. Behind every technical book, there is a reviewteam that saw the first draft...