APPARATUS AND METHOD FOR TRANSMITTING CONTROL MESSAGE IN A WIRELESS COMMUNICATION SYSTEM USING RELAYING
First Claim
Patent Images
1. A retransmission method of a Relay Station (RS) in a wireless communication system using relaying, the method comprising:
- checking scheduling information for data transmission from a lower node;
receiving data from the lower node according to the scheduling information;
checking for errors in the data;
generating error report information indicating whether the data has errors; and
transmitting the error report information to an upper node.
1 Assignment
0 Petitions
Accused Products
Abstract
An apparatus and method for transmitting an ACK/NACK message from an RS in a wireless communication system using relaying is disclosed, in which the RS checks scheduling information for data transmission from a lower node, receives data from the lower node according to the scheduling information, checks errors in the data, generates error report information indicating whether the data has errors, and transmits the error report information to an upper node.
64 Citations
35 Claims
-
1. A retransmission method of a Relay Station (RS) in a wireless communication system using relaying, the method comprising:
-
checking scheduling information for data transmission from a lower node; receiving data from the lower node according to the scheduling information; checking for errors in the data; generating error report information indicating whether the data has errors; and transmitting the error report information to an upper node. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
-
16. A retransmission method of a Base Station (BS) in a wireless communication system using relaying, the method comprising:
-
transmitting to a Relay Station (RS) scheduling information for the RS to transmit error report information indicating whether data received from a lower node has errors; determining whether the error report information has been received from the RS according to the scheduling information; and determining whether the data has errors from the error report information, upon receipt of the error report information from the RS. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
-
-
29. A retransmission apparatus of a Relay Station (RS) in a wireless communication system using relaying, the apparatus comprising:
-
an error checker for checking for errors in data received from a lower node; a data queue for storing data without errors; a retransmission controller for controlling data retransmission, upon receipt of a retransmission request from an upper node; an information generator for generating error report information indicating whether data received from the lower node has errors; and a transmitter for transmitting the error report information to the upper node. - View Dependent Claims (30, 31, 32, 33, 34, 35)
-
Specification