针对太赫兹无线个域网络中跨个域网(personal area network,PAN)通信存在的常规信道时间分配时段(normal channel time allocation period,N-CTAP)部分常规节点数据传输受干扰影响节点通信的成功率等问题,提出一种太赫兹网络的高效自适...针对太赫兹无线个域网络中跨个域网(personal area network,PAN)通信存在的常规信道时间分配时段(normal channel time allocation period,N-CTAP)部分常规节点数据传输受干扰影响节点通信的成功率等问题,提出一种太赫兹网络的高效自适应报告方法(efficient adaptive reporting approach of terahertz network,EARA-T)。该方法将常规节点细分为正常节点和边缘节点,在节点入网前及入网后将节点类型信息及时高效地报告给所在PAN的微微网控制器(piconet coordinator,PNC),以便于PNC在时隙分配上采取有效措施降低甚至消除网间干扰对数据传输的影响。通过使用OPNET软件进行仿真验证,相较于FDP协议和FCP协议,所提方法信息报告控制开销和时延的降低分别不少于14.1%和3.7%,信息报告成功率提高了0.4%。展开更多
In this paper the photocurrent response of InP-based unitraveling-carrier photodetectors(UTC-PDs) is analyzed using the drift-diffusion approach.Based on the theoretical analysis,an InP/InGaAs UTC-PD is modeled utiliz...In this paper the photocurrent response of InP-based unitraveling-carrier photodetectors(UTC-PDs) is analyzed using the drift-diffusion approach.Based on the theoretical analysis,an InP/InGaAs UTC-PD is modeled utilizing a numerical device simulator(ATLAS),and the physics of the device's operation and its performance as a function of biasing and power level are simulated.The simulation results indicate that the linear dynamic range is up to 60 mW,the f-3 dB is about 40 GHz and the full-width at half-maximum(FWHM) of the current pulse is 28 ps with 10 mW optical power injection for an optimized structure UTC-PD.展开更多
文摘针对太赫兹无线个域网络中跨个域网(personal area network,PAN)通信存在的常规信道时间分配时段(normal channel time allocation period,N-CTAP)部分常规节点数据传输受干扰影响节点通信的成功率等问题,提出一种太赫兹网络的高效自适应报告方法(efficient adaptive reporting approach of terahertz network,EARA-T)。该方法将常规节点细分为正常节点和边缘节点,在节点入网前及入网后将节点类型信息及时高效地报告给所在PAN的微微网控制器(piconet coordinator,PNC),以便于PNC在时隙分配上采取有效措施降低甚至消除网间干扰对数据传输的影响。通过使用OPNET软件进行仿真验证,相较于FDP协议和FCP协议,所提方法信息报告控制开销和时延的降低分别不少于14.1%和3.7%,信息报告成功率提高了0.4%。
基金Supported by the National Natural Science Foundation of China (Grant No.60736035)Youth Foundation of Tianjin University (Grant No.TJU-YFF-08B64)
文摘In this paper the photocurrent response of InP-based unitraveling-carrier photodetectors(UTC-PDs) is analyzed using the drift-diffusion approach.Based on the theoretical analysis,an InP/InGaAs UTC-PD is modeled utilizing a numerical device simulator(ATLAS),and the physics of the device's operation and its performance as a function of biasing and power level are simulated.The simulation results indicate that the linear dynamic range is up to 60 mW,the f-3 dB is about 40 GHz and the full-width at half-maximum(FWHM) of the current pulse is 28 ps with 10 mW optical power injection for an optimized structure UTC-PD.
