Invention Grant
- Patent Title: Static and differential precoding codebook for MIMO systems
- Patent Title (中): 用于MIMO系统的静态和差分预编码码本
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Application No.: US11950702Application Date: 2007-12-05
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Publication No.: US07839945B2Publication Date: 2010-11-23
- Inventor: Mohammad Ali Khojastepour , Xiaodong Wang , Mohammad Mahidian
- Applicant: Mohammad Ali Khojastepour , Xiaodong Wang , Mohammad Mahidian
- Applicant Address: US NJ Princeton
- Assignee: NEC Laboratories America, Inc.
- Current Assignee: NEC Laboratories America, Inc.
- Current Assignee Address: US NJ Princeton
- Agent Bao Tran; Joseph Kolodka
- Main IPC: H04B7/02
- IPC: H04B7/02 ; H04L1/02
Abstract:
Systems and methods are disclosed to generate a codebook for channel state information by generating a random codebook; partitioning channel state information into a set of nearest neighbors for each codebook entry based on a distance metric; and updating the codebook by finding a centroid for each partition.
Public/Granted literature
- US20080232501A1 STATIC AND DIFFERENTIAL PRECODING CODEBOOK FOR MIMO SYSTEMS Public/Granted day:2008-09-25
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