TY - JOUR
T1 - Coordinated Hybrid Precoding Design in Millimeter Wave Fog-RAN
AU - Hao, Wanming
AU - Sun, Gangcan
AU - Muta, Osamu
AU - Zhang, Jiankang
AU - Yang, Shouyi
N1 - Funding Information:
Manuscript received December 8, 2018; revised March 28, 2019 and May 1, 2019; accepted June 2, 2019. Date of publication June 21, 2019; date of current version March 2, 2020. This work was supported by the National Natural Science Foundation of China under Grant U1604159. (Corresponding author: Gangcan Sun.) W. Hao is with the School of Information Engineering, Zhengzhou University, Zhengzhou 450001, China, and also with the 5G Innovation Centre, Institute of Communication Systems, University of Surrey, Guildford GU2 7XH, U.K. (e-mail: wmhao@hotmail.com).
Publisher Copyright:
© 2007-2012 IEEE.
PY - 2020/3
Y1 - 2020/3
N2 - In this paper, we propose a femto base station cluster (FBSC)-based fog radio access network (F-RAN) structure, where multiple femto base stations (FBSs) coordinately serve users in each FBSC with the millimeter wave band. In addition, the FBS head (FBSH) in each FBSC receives data from the central processor (CP) via fronthaul link with the microwave band. Based on this, we formulate a transmission delay minimization problem by optimizing coordinated hybrid analog/digital precoding under transmit power constraints of each FBS in the FBSCs and the base station (BS) in the CP. Then, we propose a coordinated analog precoding scheme for multiple FBSs within the same FBSC. Meanwhile, we equivalently divide the original problem into two independent optimization problems, and propose an effective iterative algorithm to solve them. Simulation results show the effectiveness of our proposed algorithms.
AB - In this paper, we propose a femto base station cluster (FBSC)-based fog radio access network (F-RAN) structure, where multiple femto base stations (FBSs) coordinately serve users in each FBSC with the millimeter wave band. In addition, the FBS head (FBSH) in each FBSC receives data from the central processor (CP) via fronthaul link with the microwave band. Based on this, we formulate a transmission delay minimization problem by optimizing coordinated hybrid analog/digital precoding under transmit power constraints of each FBS in the FBSCs and the base station (BS) in the CP. Then, we propose a coordinated analog precoding scheme for multiple FBSs within the same FBSC. Meanwhile, we equivalently divide the original problem into two independent optimization problems, and propose an effective iterative algorithm to solve them. Simulation results show the effectiveness of our proposed algorithms.
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U2 - 10.1109/JSYST.2019.2921557
DO - 10.1109/JSYST.2019.2921557
M3 - Article
AN - SCOPUS:85081657007
SN - 1932-8184
VL - 14
SP - 673
EP - 676
JO - IEEE Systems Journal
JF - IEEE Systems Journal
IS - 1
M1 - 8743405
ER -