| 摘要 |
PROBLEM TO BE SOLVED: To reduce a hardware scale achieving overhead processing.SOLUTION: A transmission device 20 includes: reception processing units 211, 213, 231, 233, 234 which perform the reception processing of hierarchically multiplexed signals of different rates having overhead information; and a common overhead processing unit 24 which processes the overhead information of each signal of different rate, in common to each rate.SELECTED DRAWING: Figure 6 |
