-54-AANSWERS TO NSWERS TO QQUESTIONSUESTIONS11.1Standardized cordless systems can support multiple users from the same basestation, which could include either multiple telephone handsets or both voice anddata devices (e.g., fax or printer). Standardized cordless systems can operate in anumber of environment.11.2With TDD data are transmitted in one direction at a time, with transmissionalternating between the two directions. TDM is a multiplexing technique thatallows multiple data sources to transmit over the same channel by taking turns.With full-duplex TDM, data are transmitted in both directions simultaneously.11.3The Q channelis used to broadcast general system information from the basestation to all terminals. The P channelprovides paging from the base station to theterminals. In response to a page and at the time of handoff, a terminal uses thetwo-way M channelto exchange medium access control messages with the basestation. Once a connection is established, the N channel
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