| 摘要 |
<p>THE RETRANSMITTING APPARATUS OF BROADCASTING FOR A PORTABLE/MOBILE PHONE IS PROVIDED, WHICH CAN SHORTEN A DELAY TIME AND CAN BE DOWNSIZED WITHOUT ASSIGNING A USELESS FREQUENCY.A RETRANSMITTING APPARATUS 1 OF TERRESTRIAL DIGITAL BROADCASTING IS PROVIDED, WHICH COMPRISES N TUNING UNITS 200,N DIGITALLY-PROCESSING UNITS 311, AN ADDING CIRCUIT 400, AND A RETRANSMITTING UNIT 500. EACH OF THE TUNING UNITS 200 SELECTS ONE CHANNEL FROM RECEIVED TERRESTRIAL DIGITAL BROADCASTING WAVES OF A PLURALITY OF CHANNELS, AND OUTPUTS AN EQUIVALENT BASE BAND SIGNAL OF THE CHANNEL. EACH OF THE DIGITALLY-PROCESSING UNITS 311 EXTRACTS ONLY A PARTIALLY- RECEIVED PART FROM 13 SEGMENTS OF THE EQUIVALENT BASE BAND SIGNAL WITH A LPF CIRCUIT 301 WITHOUT FOURIER-CONVERTING, AND ALLOCATES THE PARTIALLY-RECEIVED PART OF A SEGMENT IN WHICH THE PARTIALLY-RECEIVED PART IS COMBINED WITH A SEGMENT ALLOCATING CIRCUIT 302.THE ADDING CIRCUIT 400 INPUTS THE EQUIVALENT BASE BAND SIGNALS OF THE PARTIALLY-RECEIVED PARTS FROM EACH OF THE DIGITALLY-PROCESSING UNITS 311 TO ADD AND SYNTHESIZE, AND RETRANSMITS AS THE TERRESTRIAL DIGITAL BROADCASTING WAVE OF ONE CHANNEL THROUGH THE RETRANSMITTING UNIT 500.</p> |
