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Carrier aggregation in LTE-Advanced provides the capability to uncoordinatedly deploy home eNodeBs with the opportunity to autonomously mitigate the interferences. Among many improvement approaches, the autonomous component carrier selection (ACCS) scheme to improve the performance of the cell edge users worth our attentions. However, a poorly ordered execution of the carrier selection can lead to...
Carrier Aggregation (CA) is one of the promising features to support the much wider bandwidth for packet transmissions in Long Term Evolution-Advanced (LTE-A) systems. To the best of our knowledge, works regarding the packet scheduling algorithm in LTE-A systems with the CA mechanism have not thoroughly been investigated yet till now. In this paper, we therefore aim to design an efficient packet scheduling...
This work addresses the problem of a fast hybrid automatic-repeat-request (HARQ) scheme intended for transporting delay-sensitive flows in a cooperative diversity (CD) environment. This CD with fast HARQ scheme allows the retransmission for only one time via the cooperating user (i.e. partner) or via both the sender and the partner simultaneously. A complementary link packet is used for retransmissions...
Both the femtocell technology and the concept of mobile virtual network operators (MVNO) are believed to be key directions for future mobile network evolutions. This paper proposes a detailed model for the femtocell-based MVNO and analyzes the dynamics between the femto base station transmit power and its absorbing effect on the macrocell users via game theoretic techniques. The results show that...
This paper presents a Multiradio multichannel Fast Automatic-Repeat-reQuest (MF ARQ) scheme and an MF Hybrid ARQ (MF HARQ) scheme intended for transporting delay-sensitive flows in a multichannel environment. The proposed schemes are designed to allow the retransmission(s) only once using one or multiple channels simultaneously, unlike other ARQ/HARQ schemes where the retransmission(s) of a link packet...
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