Error control method, medium access control (MAC) frame designing method, and terminal registration method in wireless communication system, and recording medium

• US 7,391,774 B2
• Filed: 10/27/2003
• Issued: 06/24/2008
• Est. Priority Date: 12/16/2002
• Status: Active Grant

• Current Assignee: Electronics and Telecommunications Research Institute
• Original Assignee: Electronics and Telecommunications Research Institute
• Inventors: Lim, Hyoung-Soo, Choi, Woo-Yong, Kim, Yong-Sun, Ahn, Jae-Young
• Primary Examiner(s): Nguyen, Chau
• Assistant Examiner(s): Choi, Eunsook
• Application Number:
  US10/695,135
• Publication Number:
  US 20040114566A1
• Time in Patent Office: 1,702 Days
• Field of Search: 370/338
• US Class Current: 370/394
• CPC Class Codes: H04L 1/0001 Systems modifying transmission characteristics according to link quality, e.g. power backoff adaptive data allocation for multicarrier modulation H04L5/0044; controlling transmission power for radio systems H04W52/04
• CPC Class Codes: H04L 1/0083 Formatting with frames or packets; Protocol or part of protocol for error control
• CPC Class Codes: H04L 1/1621 Group acknowledgement, i.e. the acknowledgement message defining a range of identifiers, e.g. of sequence numbers
• CPC Class Codes: H04L 1/1664 the supervisory signal being transmitted together with payload signals; piggybacking
• CPC Class Codes: H04L 2001/0093 Point-to-multipoint
• CPC Class Codes: H04L 27/2601 Multicarrier modulation systems
• CPC Class Codes: H04L 5/0044 allocation of payload
• CPC Class Codes: H04L 5/023 Multiplexing of multicarrier modulation signals multicarrier modulation H04L27/2601
• CPC Class Codes: H04W 28/04 Error control
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 76/10 Connection setup
• CPC Class Codes: H04W 76/11 Allocation or use of connection identifiers
• CPC Class Codes: H04W 76/30 Connection release
• CPC Class Codes: H04W 8/26 Network addressing or numbering for mobility support

Abstract

The MAC frame in a wireless communication system includes a terminal ID allocated to each of multiple terminals. At least one connection ID is allocated to each terminal having the terminal ID, and sub-carrier allocation information is allocated to each connection having the connection ID. The sub-carrier allocation information includes a sub-carrier allocation status for each sub-carrier, and the number of allocated information bits for each sub-carrier. The sub-carrier allocation status and the number of allocated information bits for each sub-carrier can be allocated, by sub-carriers, to the sub-carrier allocation information using a same number of bits; or the information on the sub-carrier allocation status is first allocated to the sub-carrier allocation information and the number of allocated information bits for each sub-carrier is allocated.

Claims

1. An error control method, using a control connection between a receiver and a transmitter in a wireless communication system, the error control method comprising:

(a) setting up a control connection between the receiver and the transmitter;

(b) checking a reception status of MPDUs (MAC (Medium Access Control) Protocol Data Units) by frames when traffic exists;

(c) creating an acknowledgement (ACK) message for data transmission in a previous frame and sending it to the transmitter; and

(d) disconnecting the control connection when the traffic ends,

wherein the ACK message includes a payload field representing the first and last sequence numbers successfully received in succession among the MPDUs transmitted in the previous frame.

2. The error control method as claimed in claim 1, wherein the step (c) further comprises:

analyzing the ACK message and determining whether to resend the MPDUs.

3. The error control method as claimed in claim 1, wherein the step (c) further comprises:

analyzing the ACK message; and

resending MPDUs other than the range of the sequence numbers reported through the payload field of the ACK message.