CA2557535A1 - Method and apparatus for constructing map ie using reduced cid in broadband ofdma systems - Google Patents

Method and apparatus for constructing map ie using reduced cid in broadband ofdma systems Download PDF

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Publication number
CA2557535A1
CA2557535A1 CA002557535A CA2557535A CA2557535A1 CA 2557535 A1 CA2557535 A1 CA 2557535A1 CA 002557535 A CA002557535 A CA 002557535A CA 2557535 A CA2557535 A CA 2557535A CA 2557535 A1 CA2557535 A1 CA 2557535A1
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CA
Canada
Prior art keywords
cid
reduced
base station
mobile terminal
enabled field
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002557535A
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French (fr)
Other versions
CA2557535C (en
Inventor
Jae-Jeong Shim
Geun-Hwi Lim
Hong-Sung Chang
Jung-Shin Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co., Ltd.
Jae-Jeong Shim
Geun-Hwi Lim
Hong-Sung Chang
Jung-Shin Park
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Publication date
Application filed by Samsung Electronics Co., Ltd., Jae-Jeong Shim, Geun-Hwi Lim, Hong-Sung Chang, Jung-Shin Park filed Critical Samsung Electronics Co., Ltd.
Publication of CA2557535A1 publication Critical patent/CA2557535A1/en
Application granted granted Critical
Publication of CA2557535C publication Critical patent/CA2557535C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/02—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of two or more light sources
    • F21L4/022—Pocket lamps
    • F21L4/027—Pocket lamps the light sources being a LED
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Abstract

A method for transmitting burst allocation information by a base station in a broadband wireless communication system in which a transmitted frame includes symbols, and orthogonal subcarriers in a frequency axis constitute each of the symbols based on a predetermined time unit. The method includes the steps of generating a reduced connection identifier (CID) by reducing a basic CID of a mobile terminal connected to the base station when the basic CID exists within a preset range, and inserting an MAP, which includes an enabled field representing the reduced CID and one of use and non-use of the reduced CID, into the frame, and transmitting the frame to the mobile terminal.

Claims (22)

1. A method for reducing size of burst allocation information by a base station in a broadband wireless communication system in which a transmitted frame includes symbols, orthogonal subcarriers in a frequency axis constitute each of the symbols based on a predetermined time unit, the method comprising:
determining type of a reduced CID when a basic CID of a mobile terminal connected to the base station exists within a preset range, in order to reduce the size of the burst allocation information; and transmitting configuration information including an enabled field representing use or non-use of the reduced CID to the mobile terminal.
2. The method in claim 1, wherein the enabled field includes at least two bits representing the use or non-use of the reduced CID and a type of the reduced CID.
3. The method in claim 2, wherein the reduced CID includes at least one bit from a Least Significant Bit (LSB) of the basic CID.
4. The method in claim 1, wherein the configuration information is disposed at a start portion of the burst allocation information.
5. A method for constructing burst allocation information by a base station in a broadband wireless communication system in which a transmitted frame includes symbols, orthogonal subcarriers in a frequency axis constitute each of the symbols based on a predetermined time unit, the method comprising:
setting an enabled field, which represents use or non-use and types of a reduced connection identifier (CID), in configuration information when a basic CID of a mobile terminal connected to the base station exists within a preset range; and setting the reduced CID in the burst allocation information in order to reduce size of the burst allocation information.
6. The method in claim 5, wherein the enabled field includes at least two bits representing use or non-use of the reduced CID and a type of the reduced CID.
7. The method in claim 5, wherein the reduced CID includes at least one bit from a Least Significant Bit (LSB) of the basic CID.
8. A broadband wireless communication system in which a transmitted frame includes symbols, orthogonal subcarriers in a frequency axis constitute each of the symbols based on a predetermined time unit, the system comprising:
a base station for transmitting configuration information to a mobile terminal when a basic CID of the mobile terminal to transmit burst information exists within a preset range, the configuration information including an enabled field information for setting types and use or non-use of a reduced connection identifier (CID); and the mobile terminal for checking a reduced CID enabled field in the configuration information transmitted from a base station, and applying the reduced CID based on the enabled field.
9. The system in claim 8, wherein the enabled field includes at least two bits representing use or non-use of the reduced CID and a type of the reduced CID.
10. The method in claim 8, wherein the reduced CID includes at least one bit from a Least Significant Bit (LSB) of the basic CID.
11. A base station in a broadband wireless communication system in which a transmitted frame includes symbols, orthogonal subcarriers in a frequency axis constitute each of the symbols based on a predetermined time unit, wherein the base station transmits configuration information to a mobile terminal when a basic CID of the mobile terminal to transmit burst information exists within a preset range, the configuration information including an enabled field information for setting types and use or non-use of a reduced connection identifier (CID).
12. The base station in claim 11, wherein the enabled field includes at least two bits representing use or non-use of the reduced CID and a type of the reduced CID.
13. The method in claim 11, wherein the reduced CID includes at least one bit from a Least Significant Bit (LSB) of the basic CID.
14. A mobile terminal in a broadband wireless communication system in which a transmitted frame includes symbols, orthogonal subcarriers in a frequency axis constitute each of the symbols based on a predetermined time unit, wherein the mobile terminal for checking an enabled field representing use or non-use of a reduced connection identifier (CID) in configuration information transmitted from a base station, applies the reduced CID based on the enabled field.
15. The mobile terminal in claim 14, wherein the enabled field includes at least two bits representing use or non-use of the reduced CID and a type of the reduced CID.
16. The method in claim 14, wherein the reduced CID includes at least one bit from a Least Significant Bit (LSB) of the basic CID.
17. A base station in a broadband wireless communication system in which a transmitted frame includes symbols, orthogonal subcarriers in a frequency axis constitute each of the symbols based on a predetermined time unit, the base station comprising:
a controller for determining whether a basic connection identifier (CID) of a terminal exists within a preset range in the base station, and setting an enabled field, which sets types and one of use and non-use of the reduced CID, in configuration information; and a transmitter for transmitting a frame obtained by multiplexing burst allocation information including the configuration information, a preamble and the traffic to the terminal.
18. The base station in claim 17, further comprising;

a preamble setting unit for performing system synchronization between the base station and the terminal; and a traffic unit for receiving traffic transmitted from an upper side.
19. The base station in claim 17, wherein the enabled field includes at least two bits representing use or non-use of the reduced CID and a type of the reduced CID.
20. A mobile terminal in a broadband wireless communication system in which a transmitted frame includes symbols, orthogonal subcarriers in a frequency axis constitute each of the symbols based on a predetermined time unit, the mobile terminal comprising:
an burst allocation information detector for detecting burst allocation information from the frame and transmitting the burst allocation information to a controller; and the controller for checking an enabled field, which represents types and use or non-use of a reduced connection identifier (CID), from the burst allocation information, and setting whether to apply the reduced CID based on the enabled field;
21. The mobile terminal in claim 20, wherein the enabled field includes at least two bits representing use or non-use of the reduced CID and a type of the reduced CID.
22. The mobile terminal in claim 20, further comprising;
a receiver for receiving the frame and performing system synchronization between a base station and the mobile terminal; and a traffic processor for receiving the frame from the receiver, and decoding the frame by means of the burst allocation information transmitted from the controller.
CA2557535A 2004-03-12 2005-03-11 Method and apparatus for constructing map ie using reduced cid in broadband ofdma systems Active CA2557535C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2004-0017811 2004-03-12
KR20040017811 2004-03-12
PCT/KR2005/000703 WO2005088871A1 (en) 2004-03-12 2005-03-11 Method and apparatus for constructing map ie using reduced cid in broadband ofdma systems

Publications (2)

Publication Number Publication Date
CA2557535A1 true CA2557535A1 (en) 2005-09-22
CA2557535C CA2557535C (en) 2012-05-15

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US (2) US8018969B2 (en)
EP (2) EP1723735B1 (en)
JP (1) JP4477058B2 (en)
KR (1) KR100678180B1 (en)
CN (2) CN1930804B (en)
AU (1) AU2005222291B2 (en)
BR (1) BRPI0508694B1 (en)
CA (1) CA2557535C (en)
RU (1) RU2343636C2 (en)
WO (1) WO2005088871A1 (en)

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CN101790235B (en) 2012-05-23
JP4477058B2 (en) 2010-06-09
EP2190142A3 (en) 2010-08-04
EP2190142B1 (en) 2018-09-12
WO2005088871A1 (en) 2005-09-22
AU2005222291B2 (en) 2008-07-17
CN1930804A (en) 2007-03-14
JP2007525134A (en) 2007-08-30
EP2190142A2 (en) 2010-05-26
US8391315B2 (en) 2013-03-05
EP1723735A4 (en) 2010-08-04
KR20060044327A (en) 2006-05-16
BRPI0508694B1 (en) 2018-05-08
US8018969B2 (en) 2011-09-13
BRPI0508694A (en) 2007-08-21
KR100678180B1 (en) 2007-02-02
CN1930804B (en) 2012-05-23
CN101790235A (en) 2010-07-28
US20100142473A1 (en) 2010-06-10
RU2343636C2 (en) 2009-01-10
RU2006132495A (en) 2008-03-20
AU2005222291A1 (en) 2005-09-22
EP1723735A1 (en) 2006-11-22
EP1723735B1 (en) 2018-10-24
CA2557535C (en) 2012-05-15
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