Multiple-mode broadband wireless communication device and method
View Patent ↗Provided is a multi-mode ultra broadband wireless communication apparatus and method, and a multi-mode ultra broadband transmitting apparatus may include a baseband outputting unit to parallelly output multiple digital signals, a mid-frequency processing unit to up-convert the outputted parallel digital signals to mid-frequencies, and the up-conversion is performed in a range where the outputted parallel digital signals do not cause interference with each other, a parallel-to-serial converter to convert, to a serial digital signal, the converted parallel digital signals that are up-converted to the mid-frequencies, a digital-to-analog converter to convert the serial digital signal to an analog signal, and a radio frequency processing unit to up-convert the analog signal to multiple transmission frequencies respectively corresponding to desired communication services.
1. A multi-mode ultra broadband receiving apparatus, the apparatus comprising:
a radio frequency processing unit to down-convert multiple analog signals to mid-frequencies, and the down-conversion is performed in a range where the multiple analog signals do not cause interference with each other;
a parallel-to-serial converting unit to convert the down-converted parallel analog signals to a serial analog signal;
an analog-to-digital converter to convert the serial analog signal to a digital signal;
a mid-frequency processing unit to down-convert the digital signals to multiple baseband signals; and
a baseband receiving unit to receive the down-converted multiple baseband signals.
2. A multimode ultra broadband transceiving apparatus, the apparatus comprising:
a mid-frequency processing unit to up-convert multiple parallel digital signals existing in a baseband to mid-frequencies, and the up-conversion is performed in a range where the multiple parallel digital signals do not cause interference with each other;
a first parallel-to-serial converter to up-convert, to a serial digital signal, the up-converted parallel digital signals that are up-converted to the mid-frequencies;
a digital-to-analog converter to convert the serial digital signal to an analog signal;
a first radio frequency processing unit to up-convert the analog signal to multiple transmission frequencies respectively corresponding to desired communication services;
a transmission and reception signal separating unit to separate the up-converted analog signal that is up-converted to the multiple transmission frequencies and multiple analog signals received from an outside;
a second radio frequency processing unit to down-convert the multiple analog signals received from the outside in a range where the multiple analog signals do not cause interference with each other;
a second parallel-to-serial converter to convert the down-converted parallel analog signals to a serial analog signal; and
an analog-to-digital converter to convert the serial analog signal to a digital signal,
wherein the mid-frequency processing unit up-converts each of the multiple parallel digital signals so that each of the up-converted signals have a guard band.
3. The apparatus of claim 2 , wherein the transmission and reception signal separating unit separates the up-converted analog signal that is up-converted to the multiple transmission frequencies and the multiple analog signals received from outside, based on a half duplex (HD) communication or a full duplex (FD) communication.
4. A multi-mode ultra broadband receiving method, the method comprising:
down-converting multiple analog signals to mid-frequencies, and the down-conversion is performed in a range where the multiple analog signals do not cause interference with each other;
converting the down-converted parallel analog signals to a serial analog signal;
converting the serial analog signal to a digital signal;
down-converting the digital signal to multiple baseband signals; and
receiving the down-converted multiple baseband signals.