US2003217319A1

4G

Title

RELIABILITY-BASED TYPE-II HYBRID ARQ SCHEME

Application Number:

US20020146587

Publication Date:

20-11-2003

Current Assignee:

Family ID:

Application Date:

14-05-2002

Publication Country:

US

Priority Date:

14-05-2002

Declaring Company:

Abstract  Abstract

A communication system employs a HARQ-type retransmission scheme. Bits ( 701) received on a first transmission are stored and combined with the bits received on later transmissions thereby increasing the likelihood of a correct decoding on later transmissions. Similarly the bits received on the second or later transmissions are stored for combining with subsequent received bits. Specific information needed at the receiver is identified and requested from the transmitter. More particularly information that is retransmitted in a second or later transmission in the HARQ scheme is determined from a reliability of individual constituent bits in the mother codeword or from an overall reliability of the received codeword. Based on these reliability metrics the most unreliable set of the constituent bits are requested or in the alternative a specific number of constituent bits is requested.

Note:

The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)

The information in grey was provided by the patent holder

The information in purple was extracted from the FrandAvenue

Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.

Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.

Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.

Family member:related patents or applications that share a common priority or original filing.