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Adaptive two-level frame aggregation in IEEE 802.11n WLAN

Title
Adaptive two-level frame aggregation in IEEE 802.11n WLAN
Authors
Kim, YoungsooMonroy, EdwinLee, OkhwanPark, Kyung-JoonChoi, Sunghyun
DGIST Authors
Park, Kyung-Joon
Issue Date
2012
Citation
18th Asia-Pacific Conference on Communications: Green and Smart Communications for IT Innovation, 658-663
Type
Conference
Article Type
Conference Paper
ISSN
0009-4951
Abstract
In order to reduce the overhead of legacy WLANs, the IEEE 802.11n standard defines two aggregation schemes, i.e., A-MSDU and A-MPDU. In general, A-MPDU outperforms A-MSDU due to its selective retransmission capability. However, A-MPDU has a fundamental restriction on the minimum separation in time between the start of two consecutive subframes carried on the same A-MPDU. If such a gap is smaller than the minimum MPDU start spacing of the receiver, the sender should insert additional padding, thus resulting in throughput degradation. The main contribution of this paper is that we provide an adaptive aggregation scheme in which the sender conveys A-MSDUs within A-MPDUs in an adaptive manner, in order to resolve this potential problem in A-MPDU. Our analytical and simulation results demonstrate that the proposed scheme improves throughput performance over A-MPDU and A-MSDU by up to 280% and 19%, respectively. © 2012 IEEE.
URI
http://hdl.handle.net/20.500.11750/5526
DOI
10.1109/APCC.2012.6388276
Publisher
Institute of Electrical and Electronics Engineers Inc.
Related Researcher
  • Author Park, Kyung-Joon CSI(Cyber-Physical Systems Integration) Lab
  • Research Interests Design of Wireless Network for Cyber-Physical System; 무선 센서 네트워크; 강인 무선 네트워크
Files:
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Collection:
Department of Information and Communication EngineeringCSI(Cyber-Physical Systems Integration) Lab2. Conference Papers


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