Invention Grant
- Patent Title: Pilot design for OFDM systems with four transmit antennas
- Patent Title (中): 具有四个发射天线的OFDM系统的导频设计
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Application No.: US13855296Application Date: 2013-04-02
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Publication No.: US08995402B2Publication Date: 2015-03-31
- Inventor: Jianglei Ma , Ming Jia , Wen Tong , Peiying Zhu , Claude Royer
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Fay Kaplun & Marcin, LLP
- Main IPC: H04W4/00
- IPC: H04W4/00 ; H04B7/06 ; H04L5/00 ; H04L25/02
Abstract:
Pilot, preamble and midamble patterns are provided that are particularly suited for four transmit antenna OFDM systems. Pilots are inserted in a scattered manner for each of the four antennas, either uncoded, space-time coded in pairs, space-time frequency coded in pairs, or space-time-frequency coded.
Public/Granted literature
- US20130287138A1 Pilot Design for OFDM Systems with Four Transmit Antennas Public/Granted day:2013-10-31
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