论文部分内容阅读
2.4GHz无线短距离通信技术是当前一门热门的通信技术,对无线短距离通信协议进行了深入的探讨。首先分析了基于射频芯片(nRF24xx)现有的通信协议,通过分析指出了现有协议存在前向频带的通过率低,系统传输帧所需时间长的缺点。然后提出了一种采用连续传输和停止等待自动请求重传(SW-ARQ)混合传输的通信协议,给出该协议的设计,并对协议进行了仿真。通过仿真分析表明该协议的误码率跟原协议相同,但通过率高于原协议,平均传输时间要低于原协议。
2.4GHz wireless short-range communication technology is currently a popular communication technology, wireless short-range communication protocol conducted in-depth discussion. Firstly, the existing communication protocol based on RF chip (nRF24xx) is analyzed. The existing protocol has been pointed out that the passing rate of the forward band is low and the time required to transmit the frame is long. Then a communication protocol using continuous transmission and stop waiting for automatic transmission of requests (SW-ARQ) is proposed. The design of this protocol is given and the protocol is simulated. The simulation analysis shows that the bit error rate of this protocol is the same as that of the original protocol, but the pass rate is higher than the original one, and the average transmission time is lower than the original one.