延迟响应和随机反首先用于具有糟糕通道条件的物联网设备的低功耗随机访问
1Department of Information and Communication Engineering, Dongguk University, Seoul 04620, Republic of Korea.
Sensors (Basel, Switzerland)
|December 9, 2023
概括
本研究介绍了减少物联网 (IoT) 中设备碰撞的新方法. 这些技术通过最大限度地减少功耗和增强连接性来改善电池驱动物联网系统的寿命.
科学领域:
- 计算机科学 计算机科学
- 电气工程 电气工程
- 电信 电信服务 电信服务 电信服务
背景情况:
- 物联网 (IoT) 服务的扩散需要大规模的连接解决方案.
- 物联网设备,通常是电池驱动的,在随机访问期间需要降低功耗,以延长运行寿命.
- 由于传输速率低和数据包重复时间长,通道条件差的设备面临更多的碰撞,这会影响系统的寿命.
研究的目的:
- 提出新的方案,以减少物联网系统中的碰撞概率,特别是对于具有糟糕通道条件的设备.
- 为了使物联网设备能够有效地共享资源,而无需基于组的资源划分.
- 提高物联网系统的整体寿命和性能.
主要方法:
- 提出了两种方案:一种是延迟坏通道设备的响应,以减轻干扰.
- 第二个方案将响应检查和随机备份的顺序逆转为转发决策.
- 这两种方法都旨在减少碰撞,而不是按设备组对资源进行细分.
主要成果:
- 拟议的方案有效地减少了设备与贫困的道碰撞的概率.
- 干扰是最小化的,特别是在第一个提出的方法中,通过延迟反应来减少干扰.
- 第二种方法优化了转发策略,在响应检查之前执行随机后退.
结论:
- 开发的方案通过降低坏通道设备的碰撞风险来提高物联网系统的寿命.
- 避免了其他物联网设备的性能下降.
- 实现了高效的资源利用,支持大规模的物联网连接.
相关概念视频
Interference and Decay
143
Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
143
MOSFET: Depletion Mode
363
Depletion-mode MOSFETs represent a unique subset of MOSFET technology, functioning fundamentally differently from their enhancement-mode counterparts. Unlike enhancement MOSFETs, which require a positive gate-source voltage (Vgs) to turn on, depletion-mode MOSFETs are inherently conductive and "normally on" devices.
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity...
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity...
363
Timing and Consequences on Behavior
100
In operant conditioning, the timing of reinforcement is crucial. For animals like rats and cats, immediate reinforcement (within a few seconds) is much more effective than delayed reinforcement. For example, a food reward for a rat needs to follow within 30 seconds of pressing a bar to be effective.
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant...
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant...
100
MOSFET: Enhancement Mode
346
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
346
Switching of BJT
424
Switching behavior in Bipolar Junction Transistors (BJTs) is a fundamental aspect utilized in various electronic circuits, particularly for digital logic applications like switches and amplifiers. In a typical switching circuit, a BJT alternates between cut-off and saturation modes, corresponding to the "off" and "on" states, respectively, thus behaving like an ideal switch.
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
424


