Method for controlling HARQ operation in dynamic radio resource allocation

• US 8,594,030 B2
• Filed: 08/08/2008
• Issued: 11/26/2013
• Est. Priority Date: 08/10/2007
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Chun, Sung-Duck, Yi, Seung-June, Park, Sung-Jun, Lee, Young-Dae
• Primary Examiner(s): Hamza, Faruk
• Assistant Examiner(s): LO, DIANE LEE
• Application Number:
  US12/672,999
• Publication Number:
  US 20110182247A1
• Time in Patent Office: 1,936 Days
• Field of Search: None
• US Class Current: 370/329
• CPC Class Codes: H04L 1/1812 Hybrid protocols; Hybrid automatic repeat request [HARQ]
• CPC Class Codes: H04L 1/1822 involving configuration of automatic repeat request [ARQ] with parallel processes
• CPC Class Codes: H04L 1/1825 Adaptation of specific ARQ protocol parameters according to transmission conditions
• CPC Class Codes: H04L 1/1887 Scheduling and prioritising arrangements
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/0094 Indication of how sub-channels of the path are allocated
• CPC Class Codes: H04W 28/06 Optimizing the usage of the radio link, e.g. header compression, information sizing , discarding information system modifying transmission characteristic according to link quality by modifying frame length H04L1/0007; dynamic adaptation of the packet size for flow control or congestion control H04L47/365
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

A wireless communication system providing wireless communication services and a terminal are provided. There is also provided a method for communicating data between a base station and a terminal in Evolved Universal Mobile Telecommunications System (E-UMTS) or Long Term Evolution (LTE) System evolved from UMTS, particularly, a method for transferring maximum data with minimum radio resources by controlling a Hybrid Automatic Repeat request (HARQ) operation in a dynamic radio resource allocation or scheduling.

Claims

1. A method of communicating data in a wireless communication system, the method comprising:

setting up a call between a terminal and a network, wherein a process allocation pattern of at least one HARQ (Hybrid Automatic Repeat request) process is predetermined during the call setup, wherein the process allocation pattern includes a plurality of different processes operated by the terminal, and wherein the predetermined process allocation pattern is identified by a pattern identifier;

receiving a radio resource allocation message from the network, wherein the radio resource allocation message includes the pattern identifier; and

transmitting one or more data blocks according to the received radio resource allocation message,

wherein the pattern identifier informs the terminal of the predetermined allocation pattern to be used by the terminal when transmitting,

wherein a reception timing of the radio resource allocation message is used so as to omit HARQ process identifier information from the radio resource allocation message,

wherein the radio resource allocation message further includes process information indicating a specific process that uses the predetermined allocation pattern,

wherein the process information is used to perform the specific process among the plurality of different processes included in the process allocation pattern,

wherein the radio resource allocation message further includes time interval information,

wherein the one or more data blocks are transmitted to the network using the predetermined allocation pattern during a specific time interval informed by the time interval information,

wherein the specific time interval is represented by a unit of transmission time intervals (TTIs), and

wherein the time interval information is set differently for each process included in the process information.

2. The method of claim 1, wherein the radio resource allocation message is received on Physical Downlink Control Channel (PDCCH).

3. The method of claim 1, wherein the radio resource allocation message includes a maximum number of retransmission in the HARQ process.

4. A mobile terminal for communicating data in a wireless communications system, the mobile terminal comprising:

a transceiver adapted to transmit or receive the data;

a memory adapted to store the data transmitted or received via the transceiver or from an external source; and

a processor cooperating with the transceiver and the memory and configured to perform the steps of;

setting up a call between a terminal and a network, wherein a process allocation pattern of at least one HARQ (Hybrid Automatic Repeat request) process is predetermined during the call setup, wherein the process allocation pattern includes a plurality of different processes operated by the mobile terminal, and wherein the predetermined process allocation pattern is identified by a pattern identifier;

receiving a radio resource allocation message from the network, wherein the radio resource allocation message includes the pattern identifier; and

transmitting one or more data blocks according to the received radio resource allocation message,

wherein the pattern identifier informs the terminal of the predetermined allocation pattern to be used by the terminal when transmitting,

wherein a reception timing of the radio resource allocation message is used so as to omit HARQ process identifier information from the radio resource allocation message,

wherein the radio resource allocation message further includes process information indicating a specific process that uses the predetermined allocation pattern,

wherein the process information is used to perform the specific process among the plurality of different processes included in the process allocation pattern,

wherein the radio resource allocation message further includes time interval information,

wherein the one or more data blocks are transmitted to the network using the predetermined allocation pattern during a specific time interval informed by the time interval information,

wherein the specific time interval is represented by a unit of transmission time intervals (TTIs), and

wherein the time interval information is set differently for each process included in the process information.