Patent ID: 7643437
Filing Date: 2010-01-05
Classification: H04B,H04W

Abstract:
1. A half-duplex terminal for displaying a holding time for reception of a reply at the half duplex terminal, comprising: a transmitter/receiver for transmitting/receiving data and an acknowledgement (ACK) signal; a push-to-X (PTX) key for activating data transmission/reception; a timer for counting time upon pressing of the PTX key; a display for displaying the holding time for reception of the reply; and a controller for controlling calculation of the holding time based on the count of the timer, and display and counting down of the holding time; wherein if the ACK signal is received before completion of the data transmission, the holding time is a sum of an ACK reception time and a reply time delay, and if the data transmission is completed before reception of the ACK signal, the holding time is a sum of data transmission time and the reply time delay.