Apparatus and method for communicating and processing a positioning reference signal based on identifier associated with a base station
US7940740B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2009 |
| Grant date | May 10, 2011 |
| Priority date | — |
| Expiry date | Feb 3, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L5/0091
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A base station communicates a positioning reference signal (PRS) to wireless communication devices over a downlink in a wireless communication system by encoding a PRS into a first set of transmission resources, encoding other information into a second set of transmission resources, multiplexing the two sets of resources into a subframe such that the first set of resources is multiplexed into at least a portion of a first set of orthogonal frequency division multiplexed (OFDM) symbols based on an identifier associated with the base station and the second set of resources is multiplexed into a second set of OFDM symbols, and transmitting the subframe. Upon receiving the subframe, a wireless device determines which set of transmission resources contains the PRS based on the identifier associated with the base station that transmitted the subframe and processes the set of resources containing the PRS to estimate timing (e.g., time of arrival) information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.