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In this paper, we present a user equipment (UE) based distributed traffic steering mechanism between long-term evolution (LTE) and Wi-Fi networks. An agent residing in each UE evaluates the traffic condition of the network it is currently connecting to and makes the traffic steering decision. The evaluation is either periodic or event-driven such as access denial in the admission control due to network...
We propose a time slot based transmission strategy, referred to as adaptive coordinated napping (CoNap), for energy saving in cellular networks under time-varying traffic demand. In adaptive CoNap network, multiple neighboring base stations (BSs) form a cluster and each BS operates in either a transmit mode (TM) or a nap mode (NM) in each time slot. The dynamic assignment of TM and NM to each BS is...
We propose a time-slot-based transmission strategy, referred to as coordinated napping (CoNap) for energy saving in cellular networks. In CoNap, multiple base stations (BSs) form a cluster and each BS operates in a transmit mode (TM) and a nap mode (NM) independently through an implicitly coordinated manner. The implicit coordination is implemented by the binary matrices to assign TM and NM to each...
Due to spectrum scarcity and emerging various wireless applications in IMT-Advanced system, spectrum allocation scheme becomes a recently critical issue. In this paper, we refer to the concepts of spectrum reservation and power reward, make use of maximum-minimum criteria, propose a cellbased distributed dynamic spectrum allocation (DSA) algorithm which combines the water filling power allocation...
The next generation networks are expected to provide heterogeneous services with higher data rates and diverse quality of service (QoS) requirements. For the major challenges we are confronted with nowadays, this paper establishes cross-layer architecture among application (AP) layer, media access control (MAC) layer and physical (PHY) layer, upon which an integrated radio resource management (RRM)...
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