The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 07, 2012
Filed:
Dec. 05, 2008
Jianzhong Zhang, Irving, TX (US);
Zhouyue Pi, Richardson, TX (US);
Farooq Khan, Allen, TX (US);
Jiannan Tsai, Plano, TX (US);
Jianzhong Zhang, Irving, TX (US);
Zhouyue Pi, Richardson, TX (US);
Farooq Khan, Allen, TX (US);
Jiannan Tsai, Plano, TX (US);
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
Methods and apparatus for transmitting power setting information in a downlink Physical Downlink Shared Channel (PDSCH) in a communication system. In this communication system, a plurality of methods for calculating traffic-to-pilot ratios (T2P) are established. In addition, a mapping scheme between a plurality of overhead signals and a plurality of reference signal (RS) overhead ratios, η, and the plurality of T2P calculation methods is established. A user-specific T2P ratio P/Pfor certain OFDM symbols, a RS overhead ratio ηand a calculation method selected from the plurality of T2P calculation methods are assigned to a wireless terminal. Then, an overhead signal corresponding to both of the assigned RS overhead ratio ηand the assigned T2P calculation method is selected in accordance with the mapping scheme and is transmitted to the wireless terminal. In addition, the user-specific traffic-to-pilot ratio P/Pis transmitted to the wireless terminal. The wireless terminal may calculate the traffic-to-pilot ratios across different transmission antennas and different OFDM symbols in dependence upon the received traffic-to-pilot ratio P/P, and the RS overhead ratio and the T2P calculation method indicated by the RS overhead signal.