Data communication device and method
A technology of data communication and receiving device, which is applied in the direction of wireless communication, selection device, multiplexing communication, etc., and can solve problems such as degradation of receiving performance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0023] figure 2 It is a block diagram showing the structure of the data communication apparatus according to the first embodiment of the present invention.
[0024] in figure 2 Among them, a plurality of antennas 101 composed of n antennas are used to receive input radio signals. The memory 102 is used to store received signals provided by multiple antennas 101, for example, a FIFO (First In First Out) memory may be used.
[0025] The first weight controller 103 calculates weights using signals previously received on the plurality of antennas 101 stored in the memory 102 (for example, the previous period) in response to the electric field strength and the phase of the received signal.
[0026] When the propagation path switching command signal is input, the second weight controller 104 uses the signals currently received on the multiple antennas 101 to calculate the optimal weight for the multiple antennas 101 to provide the received signal.
[0027] The switcher 105 switches t...
Embodiment 2
[0049] Figure 5 It is a block diagram showing the structure of the data communication apparatus according to the second embodiment. In addition, in Figure 5 In the shown embodiment 2, the same symbols are used to indicate the figure 2 The description of some corresponding parts in the illustrated embodiment 1 is omitted.
[0050] figure 2 Example 1 shown and Figure 5 The structural difference of the data communication device between the illustrated embodiment 2 lies in: figure 2 The first weight controller 103, the second weight controller 104, and the switch 105 shown in Figure 5 The weight controller represented by 401 is replaced by a weight controller composed of a circuit.
[0051] In this structure, such as Figure 4 As shown, at the time of the receiving period 301, since the received signal is once stored in the memory 102, the weight controller 401 calculates the weight based on the information of the previous period and the instant segment 300.
[0052] For exam...
Embodiment 3
[0057] Refer to Figure 5 And Embodiment 2 describes this embodiment.
[0058] When the propagation path switching command signal 106 is input from the outside, the weight controller 401 simultaneously executes the calculation of the received signal weight of a previous period (previous period) and the calculation of the current period received signal weight stored in the memory 102.
[0059] In the case where it is determined that further computing power can be provided, the weight controller 401 calculates the received signals stored in the memory 102 and the received signals provided by the multiple antennas 101 in the same manner as the propagation path switching command signal 106 is not generated. Weights.
[0060] In the case where it is determined that no further computing power can be provided, the estimation accuracy in each time period is reduced. For example, the weight of the previously received signal is calculated in the first half of the time period, and the weight...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More