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Communication Dans Un Congrès Année : 2019

Canonical Coalition Game for Solving WiFi and LTE Coexistance Issues on the 5 Ghz Band

Résumé

The unlicensed band was found to be useful in terms of users applications QoS Regarding the downlink throughput. The unlicensed band, once used exclusively by the military and medical industry, will soon be exploited for the public interests. The large bandwidth guaranteed by the 5GHZ frequency band will help reduce the data transmission latency. It is for these reasons that the LTE-U (Long Term Evolution on Unlicensed band) was developed and will play a key role in the wireless networks of the 2020's. Its deployment, however, will be at the expense of other existent wireless networks technologies, specifically the Wifi. Indeed once the Wifi networks deployed alongside with the LTE-U, their users applications will be constantly interrupted, since the LTE-U is a dominant technology Regarding the channel access. This issue will cause a degradation of a large part of those deployed users in the heterogeneous networks regarding the QoS. Which is why it is important to figure out a solution that allows Wifi-exploiting applications in heterogeneous networks to serve their users with a minimum value of QoS. In this publication, we will detail the important steps towards a coexistence between the Wifi and the LTE-U, using the cooperative game theory, and more specifically the canonical coalition game, for a fairer channels/sub-channels allocation. The paper also solves the time allocation problem between the access points and the small cells, thanks to the bankruptcy game, which is an entitlement problem involving the allocation of a given amount of a perfectly divisible time among the wireless nodes. The publication will also show that the proposed solution provides a higher average user's throughput than the Bargaining Game solution, whether the user is in the Wifi or the LTE-U network.
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Dates et versions

hal-03058993 , version 1 (12-12-2020)

Identifiants

Citer

Hager Hafaiedh, Ines El Korbi, Rami Langar, Leila Azouz Saidane, Abdellatif Kobbane. Canonical Coalition Game for Solving WiFi and LTE Coexistance Issues on the 5 Ghz Band. IWCMC 2019, Jun 2019, Tangier, Morocco. pp.422-427, ⟨10.1109/IWCMC.2019.8766679⟩. ⟨hal-03058993⟩
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