Cell Breathing Techniques for Load Balancing in Wireless LANs

Bejerano, Yigal; Han, Seung-Jae

doi:10.1109/infocom.2006.196

Cited by 91 publications

(109 citation statements)

References 14 publications

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“…In WLAN-first scheme, the users always select WiFi whenever the WiFi coverage is available [6]. However, the association region of a WiFi AP can be controlled by cell breathing, where the power of beacon signal of the AP is reduced, thus limiting the coverage of the AP without reducing the transmit power of the traffic signal [12]. This will allow the AP to control the number of users associated with it, without suffering degraded signal quality.…”

Section: A User Associationmentioning

confidence: 99%

A Novel Load-Balancing Scheme for Cellular-WLAN Heterogeneous Systems With a Cell-Breathing Technique

Navaratnarajah

Dianati

Imran

2018

IEEE Systems Journal

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Abstract-This paper proposes a novel load balancing scheme, for an operator-deployed cellular-WLAN heterogeneous network (HetNet), where the user association is controlled by employing cell breathing technique for the WLAN network. This scheme, eliminates the complex coordination and additional signalling overheads between the users and the network, by allowing the users to simply associate with the available WLAN networks similar to the traditional WLAN-first association, without making complex association decisions. Thus, this scheme can be easily implemented in an existing operator-deployed cellular-WLAN HetNet. The performance of the proposed scheme is evaluated in terms of load distribution between cellular and WLAN networks, user fairness, and system throughput, which demonstrates the superiority of the proposed scheme in load distribution and user fairness while optimising the system throughput. In addition, a cellular-WLAN interworking architecture and signalling procedures are proposed for implementing the proposed load balancing schemes in an operator-deployed cellular-WLAN HetNet.

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Section: A User Associationmentioning

confidence: 99%

A Novel Load-Balancing Scheme for Cellular-WLAN Heterogeneous Systems With a Cell-Breathing Technique

Navaratnarajah

Dianati

Imran

2018

IEEE Systems Journal

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“…Centralized coordination requires huge processing capability as well as exchange of vast amounts of information among all users in a geographical area and the coordinating entity. Reference [7] proposed load balancing technique by controlling the size of WLAN cells, which is conceptually similar to cell breathing in cellular networks. The algorithm only controls transmission power of AP beacon massages which can decrease only number of associations but not surely workload induced on AP.…”

Section: Related Workmentioning

confidence: 99%

Dynamic Load Balancing Algorithm Based on Users Immigration in Wireless LANs

Hojiev¹,

Kim²

2015

JACN

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Abstract-This paper discusses a throughput improvement based dynamic load balancing approach for wireless LANs. The proposed scheme checks each AP's load state and balances overloaded APs by immigrating some wireless stations towards under loaded one, periodically. Each wireless stations has different throughput with different APs, respectively. Immigration can be accomplished with considering throughput value between wireless station and under loaded APs. The system overload is uniformly distributed among under loaded cells that wireless stations from overloaded cell moves to most under loaded cell first. The load balancing algorithm mostly considers throughput improvement in imbalance state of the system. Simulation results show that proposed load balancing yields significant performance gains in terms of system throughput and data loss due to overloading.Index Terms-Dynamic load balancing algorithm, immigration, wireless local area networks.

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“…Another approach to the problems identified in Section 3 is to intelligently associate users according to AP load; see for example [3] and references therein. Hence, the stations shown in Figure 2 will be associated uniformly amongst the three APs.…”

Section: Related Workmentioning

confidence: 99%

An Opportunistic Scheduler for Dense WLANs

Chin¹

2011

IJCNC

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The demand for bandwidth by multimedia applications remains unabated. This is particular critical given the growing number of devices with WiFi capability, and the ubiquity of Wireless Local Area Networks (WLANs). These trends have spurred researchers to develop low-cost and backward compatible solutions to increase the capacity of WLANs. One approach is to deploy additional Access Points (APs), and strategies to manage channel, user, and transmit power. As a result, stations are likely to be near one or more APs, and therefore are more likely to experience high data rates. In this paper, we take advantage of this fact to increase the capacity of a dense WLAN further by transmitting packets to a station via a neighboring AP if its associated AP is occupied by another station. Our approach is novel as prior works have not exploited the density and diversity of APs when scheduling downstream traffic. From extensive simulation studies, we show its viability in varying traffic scenarios, and in particular, WLANs with a high number of APs.s.

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Cell Breathing Techniques for Load Balancing in Wireless LANs

Cited by 91 publications

References 14 publications

A Novel Load-Balancing Scheme for Cellular-WLAN Heterogeneous Systems With a Cell-Breathing Technique

A Novel Load-Balancing Scheme for Cellular-WLAN Heterogeneous Systems With a Cell-Breathing Technique

Dynamic Load Balancing Algorithm Based on Users Immigration in Wireless LANs

An Opportunistic Scheduler for Dense WLANs

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