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A large-scale deployment of femto BSs (FBSs) will result in the substantial energy consumption. One fairly intuitive way to improve energy efficiency for femtocells is a sleep mode where the FBS periodically transmits pilot signal especially in low traffic scenario. Nevertheless, it is inefficient when not involved an active call in the FBS coverage area. To address this issue, this paper proposes...
Home eNodeB (HeNB) is a low-power access point using the local broadband connections or a separate RF backhaul to access the mobile operator's network for the user equipment(UE), which can provide better indoor coverage and satisfy the upcoming demand of high data rate for users. Considering the potential frequent mobility between HeNB-HeNB and HeNBeNB, HeNB mobility enhancement is proposed as one...
IEEE 802.15.4 standard provides a Guaranteed Time Slot (GTS) mechanism for time sensitive wireless networks in the beacon-enabled mode. However, the bandwidth underutilization problem may become worse when the traffic flow with various arrival rates leads to variance between the arrival rate and the guaranteed bandwidth which is allocated to satisfy the case of the maximal arrival rate. To overcome...
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