Invention Grant
- Patent Title: System and method for improved control channel transmit diversity
- Patent Title (中): 改善控制信道发射分集的系统和方法
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Application No.: US13692695Application Date: 2012-12-03
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Publication No.: US08891496B2Publication Date: 2014-11-18
- Inventor: Masoud Ebrahimi Tazeh Mahalleh , Robert Mark Harrison , Yongkang Jia , Hua Xu
- Applicant: Research In Motion Limited
- Applicant Address: CA Waterloo, Ontario
- Assignee: BlackBerry Limited
- Current Assignee: BlackBerry Limited
- Current Assignee Address: CA Waterloo, Ontario
- Agency: Conley Rose, P.C.
- Agent J. Robert Brown, Jr.
- Main IPC: H04J3/00
- IPC: H04J3/00 ; H04L5/00 ; H04W72/04 ; H04B7/06
Abstract:
A method for providing transmit diversity in wireless network communications is presented. An indication of a slot structure is received. The slot structure identifies at least a first location of a reference signal within a slot. A first reference signal is transmitted within a first slot using a first antenna. A location of the first reference signal within the first slot is determined by the slot structure. A second reference signal is transmitted within the first slot using a second antenna. A location of the second reference signal within the first slot is determined by the slot structure. In some cases, the slot structure identifies a second location of a reference signal within the slot structure. The second location being offset from the first location, and a third reference signal is transmitted within the first slot at the second location on the first antenna.
Public/Granted literature
- US20130094463A1 System and Method for Improved Control Channel Transmit Diversity Public/Granted day:2013-04-18
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