配体受体在分子通讯中的水平和类型调节能力
On the Capacity of Level and Type Modulation in Molecular Communication with Ligand Receptors
摘要：
在本文中，我们考虑细菌点对点通信问题的一个发送器和一个接收器，考虑配体受体结合过程。最常研究的信号传导模型，称为水平情景（LS），使用一种具有不同浓度水平的分子进行信号传导。另一种方法是采用具有单一浓度水平的多种类型的分子，称为类型方案（TS）。我们调查的配体受体的能力的角度来看，这两种情况之间的权衡。为此，我们使用数值算法的能力进行评估。此外，我们推导出一个上限的配体受体的能力使用二项式通道（BIC）模型使用对称化Kullback-Leibler（KL）分歧。当环境噪声可忽略时，也得到了一个下界。最后，我们分析了阻断受体的不同类型的分子的影响，提出了一个新的马尔可夫模型中的多类型的信号。
英文摘要：
In this paper, we consider the bacterial point-to-point communication problem with one transmitter and one receiver by considering the ligand receptor binding process. The most commonly investigated signalling model, referred to as the Level Scenario (LS), uses one type of a molecule with different concentration levels for signaling. An alternative approach is to employ multiple types of molecules with a single concentration level, referred to as the Type Scenario (TS). We investigate the trade-offs between the two scenarios for the ligand receptor from the capacity point of view. For this purpose, we evaluate the capacity using numerical algorithms. Moreover, we derive an upper bound on the capacity of the ligand receptor using a Binomial Channel (BIC) model using symmetrized Kullback-Leibler (KL) divergence. A lower bound is also derived when the environment noise is negligible. Finally, we analyse the effect of blocking of a receptor by a molecule of a different type, by proposing a new Markov model in the multiple-type signalling.
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