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The decision-making of the transmission mode and communication establishment are two key issues in the initial procedure for the hybrid system of the cellular and device-to-device (D2D) network. In this paper, according to cellular users and D2D terminals use the same resources or not, we firstly propose two criteria to select the transmission mode. When these two kinds of users reuse resources, the...
Long Term Evolution-Advanced (LTE-A) has been recently agreed by the 3rd Generation Partnership Project (3GPP) as the next evolution of LTE. Relay, which could enhance the coverage and increase the data rates in a cost efficient manner, has been taken as a promising key technique in the LTE-A network to meet its demanding requirement. In 3GPP Release 10, Type-1 relay was agreed as a work item (WI)...
Long Term Evolution-Advanced (LTE-A) networks are termed as the 4G cellular systems. There are many novel techniques used in LTE-A systems to fulfill the target of 4G requirements such as Relay Node (RN), Carrier Aggregation (CA) and so on. Relay has been taken as a promising key technique in the LTE-A network to meet its demanding requirement which could enhance the coverage and increase the data...
Long Term Evolution-Advanced (LTE-A) networks are termed as the 4G cellular systems and the standardization has been included in 3GPP Release 10. There are several new techniques used in LTE-A systems to fulfill the target of 4G requirements such as Relay Node (RN), Carrier Aggregation (CA) and so on. Relay has been taken as a promising key technique in the LTE-A network to meet its demanding requirements...
LTE-Advanced is the next major evolution step for E-UTRAN LTE in 3rd Generation Partnership Project (3GPP). One of the key technology enhancements in LTE-Advanced to fulfill the performance requirement and to improve the user experience at cell edge is wireless self-backhauling relay, so called "Type-1 Relay". In the recent 3GPP RAN plenary, Type-1 relay was approved as a work item in release...
It is expected that Device-to-Device (D2D) communication is allowed to underlay future cellular networks such as IMT-Advanced for spectrum efficiency. However, by reusing the uplink spectrums with the cellular system, the interference to D2D users has to be addressed to maximize the overall system performance. In this paper, a novel method to deal with the resource allocation and interference avoidance...
A hybrid system consisting of a cellular network and a device-to-device (D2D) network is considered in this paper where the D2D users operate in an underlay mode and reuse the spectrums with the cellular users. Most researches focus on reusing the uplink spectrums but how to share the downlink frequency bands is seldom addressed. To share the downlink spectrums and avoid the interference to the primary...
A hybrid system of cellular mode and device-to-device (D2D) mode is considered in this paper, where the cellular uplink resource is reused by the D2D transmission. In order to maximize the overall system performance, the mutual interference between cellular and D2D sub-systems has to be addressed. Here, two mechanisms are proposed to solve the problem: One is mitigating the interference from cellular...
A hybrid system of cellular mode and the peer-to-peer (P2P) mode is considered in this paper, where the cellular uplink resource is reused by the P2P transmission. In the objective of overall system throughput maximization, we addresses the problem of distributed power control of P2P transmission in the hybrid system model. Some preliminary results of the problem are presented first to investigate...
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