Patent · US Active

Hierarchical frame structure for OFDMA systems with relay

US8204018B2 · kind B2 · utility

6Cited by

0References

19Claims

0Family size

Assignee

Nokia Siemens Networks GmbH & Co. KG · DE

Inventors

Aik Chindapol · Washington, US
Jimmy Chui · Redwood City, US
Vladimir Marchenko · Darmstadt, DE

Key dates

Filing date	Nov 1, 2007
Grant date	Jun 19, 2012
Priority date	—
Expiry date	Aug 26, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH04W92/10
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

An orthogonal frequency division multiple access (OFDMA) frame for transmitting data between a mobile station and a base station includes a downlink subframe including a region for transferring first data to the base station and second data to a relay station at substantially the same time and frequency, and an uplink subframe.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.