Throughput sensitivity to antenna pattern and orientation in 802.11n networks

Kong, Di; Mellios, Evangelos; Halls, David; Nix, Andrew R; Hilton, Geoff

doi:10.1109/pimrc.2011.6140078

Cited by 10 publications

(8 citation statements)

References 5 publications

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“…eigen-beamforming or spatial-multiplexing) will be taken into account. This is part of our future work and some initial results can be found in [5] [6].…”

Section: Antenna Radiation Patternsmentioning

confidence: 94%

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Evaluating the antenna performance of 802.11n wireless routers in an indoor environment

Mellios

Kong

Halls

et al. 2011

2011 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems (COMCAS 2011)

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-The antenna performance of three 2x2 802.11n wireless routers is assessed at 2.4GHz using a laptop as a reference client. The analysis combines in-situ measured 3D radiation patterns with state-of-the-art 3D ray-tracing for a number of different client locations and access-point/client orientations in a typical three-floor home. A router employing two PIFAs achieves the highest average signal level on the top floors (3-10dB better); a router with two external dipoles on the same floor level (1-5dB better); and a router with two patches is in-between and results in the largest signal variations (5-15dB larger dynamic range).

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“…eigen-beamforming or spatial-multiplexing) will be taken into account. This is part of our future work and some initial results can be found in [5] [6].…”

Section: Antenna Radiation Patternsmentioning

confidence: 94%

“…The antennas used at the access point (AP) and client influence the perceived channel quality and must be carefully considered. Previous measurements [4] and simulations [5] [6] have shown that different antenna configurations and orientations have a significant impact on performance.…”

Section: Introductionmentioning

confidence: 99%

Evaluating the antenna performance of 802.11n wireless routers in an indoor environment

Mellios

Kong

Halls

et al. 2011

2011 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems (COMCAS 2011)

Self Cite

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“…The multiple antenna layout of a MIMO device will make a significant impact on the overall radiation pattern and strongly affect the performance of the device [10] [16]. In general, an antenna could be categorized as the omnidirectional antenna and the directional antenna based on the radiation pattern.…”

Section: Non-symmetric Radiations In Mimomentioning

confidence: 99%

A Minimax Approach for Access Point Setup Optimization in IEEE 802.11n Wireless Networks

Lwin

Funabiki

Chihiro

et al. 2017

IJNC

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Recently, an IEEE 802.11n access point (AP) prevailed over the wireless local area network (WLAN) due to the high-speed data transmission using the multiple input multiple output (MIMO) technology. Unfortunately, the signal propagation from the 802.11n AP is not uniform in the circumferential and height directions because of the multiple antennas for MIMO. As a result, the data transmission speed between the AP and a host could be significantly affected by their relative setup conditions. In this paper, we propose a minimax approach for optimizing the 802.11n AP setup condition in terms of the angles and the height in an indoor environment using throughput measurements. First, we detect a bottleneck host that receives the weakest signal from the AP in the field using the throughput estimation model. To explore optimal values of parameters for this model, we adopt the versatile parameter optimization tool. Then, we optimize the AP setup by changing the angles and the height while measuring throughput. For evaluations, we verify the accuracy of the model using measurement results and confirm the throughput improvements for hosts in the field by our approach.

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“…This technique was fully described in [15] and subsequently used in a number of our Wireless LAN and cellular network studies, for instance [21] and [22]. Without sacrificing accuracy, abstraction is many hundreds of times faster than full bit-level simulation.…”

Section: Abstraction Simulatormentioning

confidence: 99%

Comparing Theoretic Single-User and Multi-User Full-Dimension MIMO Data Throughputs in Realistic City-Wide LTE-A Deployments

Zhang

Kong

Mellios

et al. 2015

2015 IEEE Global Communications Conference (GLOBECOM)

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Throughput sensitivity to antenna pattern and orientation in 802.11n networks

Cited by 10 publications

References 5 publications

Evaluating the antenna performance of 802.11n wireless routers in an indoor environment

Evaluating the antenna performance of 802.11n wireless routers in an indoor environment

A Minimax Approach for Access Point Setup Optimization in IEEE 802.11n Wireless Networks

Comparing Theoretic Single-User and Multi-User Full-Dimension MIMO Data Throughputs in Realistic City-Wide LTE-A Deployments

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