Papers › Uoc luong kenh truyen trong he thong da robot su dung SDR
Uoc luong kenh truyen trong he thong da robot su dung SDR
Do Hai Son, Nguyen Huu Hung, Pham Duy Hung, Tran Thi Thuy Quynh
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This study focuses on developing an experimental system for estimating communication channels in a multi-robot mobile system using software-defined radio (SDR) devices. The system consists of two mobile robots programmed for two scenarios: one where the robot remains stationary and another where it follows a predefined trajectory. Communication within the system is conducted through orthogonal frequency-division multiplexing (OFDM) to mitigate the effects of multipath propagation in indoor environments. The system's performance is evaluated using the bit error rate (BER). Connections related to robot motion and communication are implemented using Raspberry Pi 3 and BladeRF x115, respectively. The least squares (LS) technique is employed to estimate the channel with a bit error rate of approximately 10^(-2).
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