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Dynamic TDD is one important feature of 3GPP Release 12. In parallel with the 3GPP standardization, a testbed has been developed to verify the feasibility of dynamic TDD and evaluate the performance in different scenarios. Both dynamic-TDD capable UE and eNode B have been developed. Fast TDD configuration using explicit physical layer signaling has been successfully implemented and over the air measurements...
Relay is a key technique in the 3G long term evolution (LTE), it uses wireless backhaul to communicate with the donor eNodeB. Relay can be deployed to improve the cell-edge coverage and throughput. However, when relay is introduced into the network, it will also cause additional inter-cell interference for both uplink (UL) and downlink (DL). A field test is done to understand the inter-cell interference...
Coordinated multi-point transmission/reception (CoMP) is one of the candidate techniques for LTE-advanced systems to increase the cell average and cell edge user throughput in both uplink and downlink. This paper presents uplink CoMP-MU-MIMO scheme and the corresponding system level performance evaluation which shows that the uplink CoMP-MU-MIMO joint processing can bring significant gains to both...
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