Haynes and Boone LLP
Method and system for detecting discontinuous transmission mode
Various methods for effectively detecting the discontinuous transmission (DTX) mode are provided both from the physical layer perspective and from the medium access layer (MAC) perspective. The DTX mode transmission on reverse supplemental channels is detected by comparing a transmitted and a received power ratio of a pilot channel and a supplemental channel. For a reverse link communication, the DTX mode transmission is detected on dedicated control channels. The DTX mode transmission on a forward link supplemental channel can also be detected by monitoring both the transmitted and received power ratios of a primary power control channel and the supplemental channel. As an alternative to or in combination with the above mentioned methods, in order to monitor the DTX mode, a new network parameter is introduced which requires a change in the IS-2000-3 standard. This parameter acts as an indicator signaling to a receiver, from the MAC layer, that the transmitter has entered into the DTX mode.
Nortel Networks Limited
H H
H04W H04W
additional inventional
Chung-Ching Jun
Wang Li