In this paper, the authors employ the multi-queue single-server system for information packets to calculate the theoretical value and computer simulation in the Bi-directional cable TV network. 3-queues single server polling system is used for example in the paper. And the simulation results show that the theoretical analysis and computer simulation are consistent.

We built a monitor and warn system based on Multi - sensor network, which could monitor data in real time. In order to imitate scene of the monitor areas, we have built a sand table model according to topographic feature, it changed the traditional monitor methods. In this system, we not only designed the hardware, but also investigated the relationship between the sensor nodes distribution and areal geology. The designing methods and ideal of this system also could apply to environmental monitoring and forest fire prevention system.

In this paper, the authors employ the M/M/1 system and single-queue and single-server system of gated service, the information packets of Bi-directional cable network are calculated and analyzed theoretically, and the loss rate of information packet is also simulated by computer compared to the theoretical analysis in the paper. Simulation results show that the theoretical analysis and simulation are consistent.And the information packet of Bi-directional cable TV network using single-queue and single-server system’s loss rate analysis of information packet in the transformation provides reference to the theoretical analysis and computer simulation.

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The transformation of loss rate analysis for the Bi-directional cable TV network is becoming more and more important. In this paper, the authors employ the double queue single server system to the information of Bi-directional cable TV network in the analysis of information packet. The information of Bi-directional cable network packets are calculated and analyzed theoretically and the loss rate of the information packet is also simulated by computer in this paper. Simulation results show that the theoretical analysis and simulation are consistent. And the network of Bi-directional information packet using double queue single server modeling of cable television in the transformation of loss rate analysis provides reference to the theoretical analysis and computer simulation.