Oct 25, 2020 · Abstract:In this paper, we study grant-free random access with massive multiple input multiple output (MIMO) systems.

Jun 10, 2020 · Both theoretical analysis and simulation results reveal promising significant performance gains in terms of access success rate and achievable ...

Feb 19, 2020 · The key idea of the mPDSRA is to allow a group of RA users transmit preambles, while simultaneously, another group of RA users, whose channel ...

In this paper, we study grant-free random access with massive multiple input multiple output (MIMO) systems. We first show that the performance of massive MIMO ...

In this letter, we propose a massive multiple input multiple output (MIMO) based preamble-data superposition random access (RA) (mPDSRA) scheme to improve ...

Abstract—The Massive MIMO (multiple-input multiple- output) technology has great potential to manage the rapid growth of wireless data traffic.

Sep 9, 2024 · In this paper, we study grant-free random access with massive multiple input multiple output (MIMO) systems.

Oct 25, 2020 · We first show that the performance of massive MIMO based grant- free random access is mainly decided by the probability of pream- ble collision.

Related Documents. Ding, J.; Choi, J. 2020: Preamble-Data Superposition Random Access in Massive MIMO Systems IEEE Wireless Communications Letters 9(6): 906-910 ...

Abstract—This paper is a tutorial introduction to the field of unsourced multiple access (UMAC) protocols. We first provide.