公开(公告)号：BR0016246A

公开(公告)日：2002-11-12

申请号：BR0016246

申请日：2000-12-01

Applicant: ERICSSON TELEFON AB L M

Inventor： JOVERBRING STEFAN ,  FURUSKOR ANDERS ,  ERIKSSON STEFAN

IPC: G01D1/00

公开(公告)号：BR0008299A

公开(公告)日：2002-01-22

申请号：BR0008299

申请日：2000-02-11

Applicant: ERICSSON TELEFON AB L M

Inventor： JOVERBRING STEFAN ,  ERICSSON STEFAN ,  WALLMAN MATTIAS ,  FURUSKOR ANDERS

IPC: H04L1/00 ,  H04L1/12 ,  H04L1/18

Abstract: Control signalling for systems employing link adaptation and incremental redundancy is described. A link adaptation/incremental redundancy message can be transmitted from a receiving entity to a transmitting entity to inform the transmitting entity of the receiving entity's incremental redundancy status or preference. Another message, which indicates whether resegmentation should be performed for retransmitted blocks can also be transmitted from a receiving entity to a transmitting entity. Both of these messages can be used by the transmitting entity to determine an appropriate modulation/coding scheme for subsequent transmissions of both original data blocks and retransmitted data blocks. The messages can be used together or independently in either link (uplink or downlink) between a base station and a mobile station in a radiocommunication system.

公开(公告)号：BR9913023A

公开(公告)日：2001-09-25

申请号：BR9913023

申请日：1999-08-17

Applicant: ERICSSON TELEFON AB L M

Inventor： JOVERBRING STEFAN

IPC: H03M13/41 ,  H04L25/03 ,  H03M13/00

Abstract: A Decision Feedback Sequence Estimator (DFSE) metric is determined by storing one or more tables of Decision Feedback Estimation (DFE) hypotheses in a memory, and then using values of the DFE hypotheses that are retrieved from storage to determine the DFSE metric. The DFE hypotheses may be precalculated and stored into the memory prior to performance of any retrieval operation. Alternatively, the table may start out empty, and the DFE hypotheses may be determined as needed for a particular DFSE metric computation. The determined DFE metric may then be stored into a table for later retrieval if the metric is needed again. The DFE hypotheses may be stored into a single table or, to reduce memory requirements and computational complexity, may be stored into corresponding ones of plural tables. MLSE hypotheses, which are also used in the DFSE metric determination, may similarly be stored into one or more tables for later retrieval as needed.