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A New Design and Multiport Performance Evaluation for 3D Massive MIMO System
2016 IEEE 84th Vehicular Technology Conference (VTC-Fall)
Year: 2016 | Conference Paper |
This paper reports a novel design and system performance evaluation of 3D MIMO under LTE-A framework based on 3GPP FD MIMO channel model.We exhibit a creative design of centralized configuration for data processing convenience on BS side considering massive MIMO antenna structure, we also present analysis of three main risks on 3D massive MIMO demonstrator design, including time synchronization, c...Show More
A New Discontinuous Reception (DRX) Scheme for LTE-Advanced Carrier Aggregation Systems with Multiple Services
2011 IEEE Vehicular Technology Conference (VTC Fall)
Year: 2011 | Conference Paper |
Cited by: Papers (17)
In order to achieve higher bandwidth and higher throughput, the carrier aggregation (CA) technique has been adopted by the specifications of 3GPP Release 10 for Long Term Evolution (LTE) advanced systems, where the user equipment (UE) may operate over up to 5 component carriers (CCs). On the other hand, 3GPP specifications also define a mechanism named discontinuous reception (DRX) in order to sav...Show More
Enhanced Home-eNB Power Setting under Co-Channel Deployment of Macro-eNB and Home-eNB
Lu Zhang;Tao Yang;Lin Yang;Pingping Wen;Chongxian Zhong;Jun Wang
2011 IEEE Vehicular Technology Conference (VTC Fall)
Year: 2011 | Conference Paper |
Under the co-channel deployment of indoor Home-eNB (HeNB) with closed-subscriber-group (CSG) access mode and Macro-eNB (MeNB), it is very important to mitigate downlink (DL) interference toward Macro user equipments (UEs) which are located in the vicinity of a HeNB. For this scenario, based on discussions in 3GPP standardization, power setting of HeNB is recommended to be the primary DL inter-cell...Show More
Dynamic Resource Allocation for Downlink Multi-User MIMO-OFDMA/SDMA Systems
2009 IEEE International Conference on Communications
Year: 2009 | Conference Paper |
Cited by: Papers (8)
In this paper, new dynamic resource allocation algorithms are presented for the downlink of multi-user MIMO-OFDMA/SDMA systems. Since it is difficult to obtain the optimal solution to the joint optimization problem, the whole procedure is divided into two steps, namely, the subcarrier-user scheduling and the resource allocation. In the first step, a new metric is proposed to measure the spatial co...Show More
Space-Time Coding for Two-Transmitter and Two-Receiver Cooperation
2007 International Workshop on Cross Layer Design
Year: 2007 | Conference Paper |
The single antenna user nodes at the transmitters and receivers share their antennas to form a virtual multiple antenna system and to realize the cooperative diversity. So it can enlarge the system's capacity and enhance the service quality of the ad hoc network and improve the system's performance. Applying the orthogonal property of the space-time coding, we transform the vector signal jointly m...Show More
Cross-layer Scheduling and Dynamic Resource Allocation for Downlink Multiuser MIMO Systems with Limited Feedback
2007 International Workshop on Cross Layer Design
Year: 2007 | Conference Paper |
Cited by: Papers (3)
In this paper, we present a cross-layer scheduling and dynamic resource allocation (CLSDRA) strategy for downlink multiuser multiple-input multiple-output (MIMO) systems with limited feedback. Based on the instantaneous partial channel state information (CSI) from physical (PHY) layer and the queue state information (QSI) from media access control (MAC) layer, the proposed scheme schedules packets...Show More
User Scheduling and Power Allocation for the Downlink of MIMO Systems Based on Limited Feedback
2007 International Workshop on Cross Layer Design
Year: 2007 | Conference Paper |
Cited by: Papers (2)
In this paper, user scheduling and power allocation are invested for the downlink of MIMO systems with limited feedback, and the corresponding algorithms are proposed based on the idea of opportunistic multiple beamforming. The proposed user scheduling algorithm feeds the first and the second largest SINRs of each user and the indices of corresponding beams back to the base station only, while the...Show More
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