Method and apparatus for providing generic hierarchical precoding codebooks

US9900063B2 · kind B2 · utility

Assignees

• Huawei Technologies Co., Ltd. · CN
• Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

• Lars THIELE · Berlin, DE
• Kai Börner · Berlin, DE
• Martin Kurras · Berlin, DE
• Thomas WIRTH · Berlin, DE
• Michael Olbrich · Berlin, DE
• Thomas Haustein · Potsdam, DE
• Malte Schellmann · Munich, DE
• Egon Schulz · Birkenfeld, DE
• Jiayin Zhang · Shanghai, CN
• Yinggang Du · Nanhu, CN

Key dates

• Filing date: Jun 19, 2015
• Grant date: Feb 20, 2018
• Expiry date: Jun 25, 2035

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04B7/0639
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

A base band unit, BBU, in a wireless cellular heterogeneous network, the BBU being provided in a transmission node cluster, TNC, of transmission nodes, TNs, of neighboring cells of the wireless cellular heterogeneous network, wherein the BBU comprises generic hierarchical precoding codebooks, CBs, each CB comprising cluster precoding matrices, CPMs, and each CPM is provided for a possible combination of active TNs within the TNC.