Invention Application
US20030060224A1 Reverse link initial power setting using effective radiated power message to compute path loss
审中-公开
使用有效辐射功率消息反向链路初始功率设置来计算路径损耗
- Patent Title: Reverse link initial power setting using effective radiated power message to compute path loss
- Patent Title (中): 使用有效辐射功率消息反向链路初始功率设置来计算路径损耗
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Application No.: US09792870Application Date: 2001-02-23
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Publication No.: US20030060224A1Publication Date: 2003-03-27
- Inventor: George R. Nelson JR. , James A. Proctor JR. , John E. Hoffmann , Antoine J. Rouphael
- Applicant: Tantivy Communications, Inc.
- Applicant Address: null
- Assignee: Tantivy Communications, Inc.
- Current Assignee: Tantivy Communications, Inc.
- Current Assignee Address: null
- Main IPC: H04B001/00
- IPC: H04B001/00
Abstract:
In an illustrative embodiment of the present invention, a reference signal including pilot information is transmitted from a base station to one or multiple field units over a pilot channel. A message is also sent to the field units over a paging channel to indicate an effective radiated power level at which the reference signal is transmitted on the pilot channel. Based on a received power level of the reference signal at a field unit and the effective radiated power level of the reference signal, a forward path loss is estimated at the field unit for the forward link between the base station and field unit. Assuming the path loss in the reverse link is approximately the same as the estimated forward link path loss, the field unit can transmit a reply message in the reverse link so that the base station generally receives a message at a desired power level.
Information query
