利用 A-MPDU 帧聚合技术提高 VBR 流量的 VoWiFi 小区容量

IF 1.5 4区 计算机科学 Q3 COMPUTER SCIENCE, SOFTWARE ENGINEERING Concurrency and Computation-Practice & Experience Pub Date : 2024-08-20 DOI:10.1002/cpe.8247
Ayes Chinmay, Hemanta Kumar Pati
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引用次数: 0

摘要

摘要随着 WiFi 语音(VoWiFi)的日益普及,有必要共同努力找出提高 VoWiFi 小区容量的新方法。本研究的主要目的是通过帧聚合聚合 MAC 协议数据单元(A-MPDU)来增加 VoWiFi 小区的容量,以实现可变比特率(VBR)流量。考虑到仲裁帧间距 (AIFS)、压缩 RTP (cRTP) 和 A-MPDU 帧,我们设计了一个公式来计算在不影响无线保真 (WiFi) 标准上现有 VoWiFi 通话的服务质量 (QoS) 的情况下,可并存的 VoWiFi 用户的大致数量。在此,我们使用 AIFS 在发送 WiFi 语音数据前确定信道的健康状况,并使用短帧间距 (SIFS) 传输帧,如请求发送 (RTS) / 清除发送 (CTS) 和确认 (ACK)。我们利用建议的模型分析了 IEEE 802.11b/g/n/ac/ax/be 无线局域网(WLAN)中使用 DCF 帧间距(DIFS)和 AIFS 的 VBR 流量的 VoWiFi 小区的容量。对于 IEEE 802.11b/g/n/ac/ax/be,我们还确定了可组合成单个 A-MPDU 的最多 MAC 协议数据单元 (MPDU)。我们还研究了语音数据包重传对提供 VoWiFi 服务的 WLAN 标准小区容量的影响,同时考虑了 A-MPDU 方法。考虑到恒定比特率(CBR)和 VBR 流量,我们比较了使用 IEEE 802.11be 和 IEEE 802.11b/g/n/ac/ax 等早期 WLAN 标准获得的结果。
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VoWiFi cell capacity improvement using A-MPDU frame aggregation technique for VBR traffic

The expanding popularity of Voice over WiFi (VoWiFi) necessitates a concerted effort to identify novel ways to increase VoWiFi cell capacity. The primary objective of this study is to increase the capacity of VoWiFi cells by means of frame aggregation of aggregate MAC protocol data unit (A-MPDU) for variable bit rate (VBR) traffic. Taking into account Arbitration Inter-frame Spacing (AIFS), Compressed RTP (cRTP) and A-MPDU frames, we devised a formula to calculate an approximate number of concurrent VoWiFi users that can coexist with no detriment to the quality-of-service (QoS) of existing VoWiFi calls over the Wireless Fidelity (WiFi) standards. Here, we used AIFS to determine the channel's health before sending Voice over WiFi data and Short Inter-frame Spacing (SIFS) to transfer frames such as Request To Send (RTS)/Clear To Send (CTS) and Acknowledgement (ACK). We have used our suggested model to analyse the capacity of VoWiFi cells in IEEE 802.11b/g/n/ac/ax/be Wireless Local Area Network (WLAN)s with VBR traffic utilising DCF Inter-frame Spacing (DIFS) and AIFS. For IEEE 802.11b/g/n/ac/ax/be, we also determined the most number of MAC protocol data unit (MPDU)s that may be combined into a single A-MPDU. We have also studied the impact of voice packet retransmission on the cell capacity of a WLAN standard that offers VoWiFi service while taking A-MPDU method into account. We have compared the results gained using IEEE 802.11be with earlier WLAN standards like IEEE 802.11b/g/n/ac/ax considering the constant bit rate (CBR) and VBR traffics.

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来源期刊
Concurrency and Computation-Practice & Experience
Concurrency and Computation-Practice & Experience 工程技术-计算机:理论方法
CiteScore
5.00
自引率
10.00%
发文量
664
审稿时长
9.6 months
期刊介绍: Concurrency and Computation: Practice and Experience (CCPE) publishes high-quality, original research papers, and authoritative research review papers, in the overlapping fields of: Parallel and distributed computing; High-performance computing; Computational and data science; Artificial intelligence and machine learning; Big data applications, algorithms, and systems; Network science; Ontologies and semantics; Security and privacy; Cloud/edge/fog computing; Green computing; and Quantum computing.
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