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Dual Connectivity (DC) is an important lower-layer feature accelerating the transition from 4G to 5G that also is expected to play an important role in standalone 5G radio networks. However, even though the packet reordering introduced by…

网络与互联网体系结构 · 计算机科学 2022-12-21 David Hasselquist , Christoffer Lindström , Nikita Korzhitskii , Niklas Carlsson , Andrei Gurtov

Packet processing on Linux can be slow due to its complex network stack. To solve this problem, there are two main solutions: eXpress Data Path (XDP) and Data Plane Development Kit (DPDK). XDP and the AF XDP socket offer full…

网络与互联网体系结构 · 计算机科学 2024-02-20 Killian Castillon du Perron , Dino Lopez Pacheco , Fabrice Huet

Due to the dominance of the downlink traffic in Wireless Local Area Networks (WLANs), a large number of previous research efforts have been put to enhance the transmission from the Access Point (AP) to stations (STAs). The downlink…

网络与互联网体系结构 · 计算机科学 2014-11-21 Ruizhi Liao , Boris Bellalta , Trang Cao Minh , Jaume Barcelo , Miquel Oliver

The growing disparity between computational power and on-chip communication bandwidth is a critical bottleneck in modern Systems-on-Chip (SoCs), especially for data-parallel workloads like AI. Efficient point-to-multipoint (P2MP) data…

硬件体系结构 · 计算机科学 2025-12-22 Yunhao Deng , Fanchen Kong , Xiaoling Yi , Ryan Antonio , Marian Verhelst

Existing performance comparisons of QUIC and TCP compared an optimized QUIC to an unoptimized TCP stack. By neglecting available TCP improvements inherently included in QUIC, comparisons do not shed light on the performance of current web…

网络与互联网体系结构 · 计算机科学 2019-06-19 Konrad Wolsing , Jan Rüth , Klaus Wehrle , Oliver Hohlfeld

Applications such as cloud gaming, video streaming, telemetry, ML inference, and data transfer provide a better experience when data is released at the receiver with timing reflecting how the data enters the sender. In practice, network…

网络与互联网体系结构 · 计算机科学 2026-05-06 Michael Luby

This paper analyzes the spectral efficiency as a function of medium access control (MAC) for large random spreading CDMA random access systems that employ a linear receiver. It is shown that located at higher than the physical layer, MAC…

信息论 · 计算机科学 2016-11-15 Yi Sun

In this paper, we propose a contention intensity based distributed coordination (CIDC) scheme for safety message broadcast. By exploiting the high-frequency and periodical features of the safety message broadcast, the application-layer…

系统与控制 · 电气工程与系统科学 2019-09-10 Jie Gao , Mushu Li , Lian Zhao , Xuemin , Shen

Space Division Multiple Access (SDMA) based Medium Access Control (MAC) protocols have been proposed to enable concurrent communications and improve link throughput in Multi-Input Multi-Output (MIMO) Ad Hoc networks. For the most part, the…

网络与互联网体系结构 · 计算机科学 2010-12-23 Pengkai Zhao

Coexistence between the dedicated short-range communications (DSRC) and other wireless technologies needs thorough study since the United States legislative bodies still remain undecided on the shared use of the 5.9 GHz band (5.850-5.925…

系统与控制 · 电气工程与系统科学 2019-12-06 Seungmo Kim , Mehdi Bennis

We study the energy performance of random linear network coding for time division duplexing channels. We assume a packet erasure channel with nodes that cannot transmit and receive information simultaneously. The sender transmits coded data…

信息论 · 计算机科学 2009-01-05 Daniel E. Lucani , Milica Stojanovic , Muriel Médard

Intentional interference constitutes a major threat for communication networks operating over a shared medium where availability is imperative. Jamming attacks are often simple and cheap to implement. In particular, today's jammers can…

数据结构与算法 · 计算机科学 2011-03-04 Andrea Richa , Christian Scheideler , Stefan Schmid , Jin Zhang

By using experimental measurements of smart grid applications compliant with IEC 61850 in trace-driven WiMAX simulations, we show that the WiMAX MAC protocol efficiency decreases as a function of the number of stations. To avoid this…

网络与互联网体系结构 · 计算机科学 2014-09-09 Martin Lévesque

We describe a new synchronous and distributed medium access control (MAC) protocol for multihop wireless networks that provides bandwidth guarantees to unicast connections. Our MAC protocol is based on a slotted time division multiple…

网络与互联网体系结构 · 计算机科学 2022-11-16 Jennifer Andreoli-Fang , George Kondylis

In this paper we compare between the maximum Throughputs received in IEEE 802.11ax and IEEE 802.11ac in a scenario where a single user continuously transmits to another one. The comparison is done as a function of the Modulation/Coding…

网络与互联网体系结构 · 计算机科学 2018-03-28 Oran Sharon , Yaron Alpert

With increasing density and heterogeneity in unlicensed wireless networks, traditional MAC protocols, such as carrier-sense multiple access with collision avoidance (CSMA/CA) in Wi-Fi networks, are experiencing performance degradation. This…

网络与互联网体系结构 · 计算机科学 2024-06-05 Jiantao Xin , Wei Xu , Bin Cao , Taotao Wang , Shengli Zhang

We propose Accel-Brake Control (ABC), a simple and deployable explicit congestion control protocol for network paths with time-varying wireless links. ABC routers mark each packet with an "accelerate" or "brake", which causes senders to…

网络与互联网体系结构 · 计算机科学 2021-03-19 Prateesh Goyal , Anup Agarwal , Ravi Netravali , Mohammad Alizadeh , Hari Balakrishnan

TCP and its variants have suffered from surprisingly poor performance for decades. We argue the TCP family has little hope to achieve consistent high performance due to a fundamental architectural deficiency: hardwiring packet-level events…

网络与互联网体系结构 · 计算机科学 2014-10-14 Mo Dong , Qingxi Li , Doron Zarchy , Brighten Godfrey , Michael Schapira

We design a cross-layer approach to aid in develop- ing a cooperative solution using multi-packet reception (MPR), network coding (NC), and medium access (MAC). We construct a model for the behavior of the IEEE 802.11 MAC protocol and apply…

网络与互联网体系结构 · 计算机科学 2011-07-21 Jason Cloud , Linda Zeger , Muriel Médard

This paper has been withdrawn because of some paper issues. Recent studies on MAC scheduling have shown that carrier sense multiple access (CSMA) can be controlled to be achieve optimality in terms of throughput or utility. These results…

网络与互联网体系结构 · 计算机科学 2012-12-18 Se-Young Yun , Jinwoo Shin , Yung Yi