Invention Grant
- Patent Title: Systems and methods for SC-FDMA transmission diversity
- Patent Title (中): SC-FDMA传输多样性的系统和方法
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Application No.: US12995206Application Date: 2009-06-12
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Publication No.: US08687480B2Publication Date: 2014-04-01
- Inventor: Ming Jia , Jianglei Ma , Peiying Zhu , Wen Tong , Hua Xu , Hang Zhang
- Applicant: Ming Jia , Jianglei Ma , Peiying Zhu , Wen Tong , Hua Xu , Hang Zhang
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Paradigm IP Law, PC
- Agent Ross L. Franks
- International Application: PCT/CA2009/000830 WO 20090612
- International Announcement: WO2009/149561 WO 20091217
- Main IPC: H04J11/00
- IPC: H04J11/00 ; H04B7/208 ; H04W4/00 ; H04L27/28 ; H04B7/02

Abstract:
The present application provides methods, devices and transmitters that mitigate increases in peak to average power ratio (PAPR) from transmission diversity in a single carrier frequency division multiple access (SC-FDMA) modulated uplink A PAPR preserving precode matrix hopping method that utilizes cyclic shift delays is provided, as well as a sub-band based transmit diversity scheme. The present application also provides methods, devices and transmitters that relax the scheduling restrictions associated with uplink scheduling in the LTE standard.
Public/Granted literature
- US20110075651A1 SYSTEMS AND METHODS FOR SC-FDMA TRANSMISSION DIVERSITY Public/Granted day:2011-03-31
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