78 citations · 103 across the 9 of their papers we have counts for
6 papers · 1 filter
On Reusing Pilots Among Interfering Cells in Massive MIMO
Jy-yong Sohn, Sung Whan Yoon, Jaekyun Moon
Pilot contamination, caused by the reuse of pilots among interfering cells, remains as a significant obstacle that limits the performance of massive multi-input multi-output antenn…
Capacity of Clustered Distributed Storage
Jy-yong Sohn, Beongjun Choi, Sung Whan Yoon +1
A new system model reflecting the clustered structure of distributed storage is suggested to investigate interplay between storage overhead and repair bandwidth as storage node fai…
Pilot Reuse Strategy Maximizing the Weighted-Sum-Rate in Massive MIMO Systems
Jy-yong Sohn, Sung Whan Yoon, Jaekyun Moon
Pilot reuse in multi-cell massive multi-input multi-output (MIMO) system is investigated where user groups with different priorities exist. Recent investigation on pilot reuse has…
Secure Clustered Distributed Storage Against Eavesdroppers
Beongjun Choi, Jy-yong Sohn, Sung Whan Yoon +1
This paper considers the security issue of practical distributed storage systems (DSSs) which consist of multiple clusters of storage nodes. Noticing that actual storage nodes cons…
Capacity of Clustered Distributed Storage
Jy-yong Sohn, Beongjun Choi, Sung Whan Yoon +1
A new system model reflecting the clustered structure of distributed storage is suggested to investigate bandwidth requirements for repairing failed storage nodes. Large data cente…
When Pilots Should Not Be Reused Across Interfering Cells in Massive MIMO
Ji Yong Sohn, Sung Whan Yoon, Jaekyun Moon
The pilot reuse issue in massive multi-input multi-output (MIMO) antenna systems with interfering cells is closely examined. This paper considers scenarios where the ratio of the c…