Transmission wireless station, reception wireless station, wireless communication system and wireless communication method
A technology of wireless communication system and wireless station, which is applied in the direction of radio transmission system, communication between multiple stations, transmission system, etc. It can solve problems such as difficult to achieve smooth handover, and achieve the effect of reducing manufacturing cost and reducing volume
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Embodiment 1
[0054] use image 3 The functional block diagram of the small network sending wireless station 101 and receiving wireless station 111, Figure 4 The diagram showing the timing relationship of the received symbols from the transmitting radio station of the large network and the transmitted symbols of the transmitting radio station of the small network illustrates Embodiment 1 of the present invention. In addition, a case will be described in which a transmission radio station of a large network uses the frequency band f1 and a transmission radio station of a small network uses the frequency band f2. In addition, the "carrier frequency band" in the present invention means a carrier frequency or a subcarrier frequency, and the transmitting wireless station may transmit data using only one carrier.
[0055]In the small network transmitting wireless station 101, the symbol synchronization detection section 105 detects the symbol timing of the data transmitted by the large network ...
Embodiment 2
[0091] Next, use Image 6 The structural diagram of the functional modules of the transmitting wireless station and the receiving wireless station illustrates Embodiment 2. In this embodiment, a transmission wireless station using the frequency band f3 and a transmission wireless station using the frequency band f4 will be described. The transmitting wireless station can be either a large network transmitting wireless station or a small network transmitting wireless station. In addition, the case where two frequency bands are used is described, but the case where three or more frequency bands are used is also the same.
[0092] The transmitting section 202 of the transmitting wireless station 201 and the transmitting section 202 of the transmitting wireless station 221 perform symbol synchronization of transmission symbols by a signal output from the symbol synchronization reference source 230 . That is, the symbols of the data input from the data input terminal 4 of the tra...
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