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Title:
METHOD FOR SIGNALING A SUBFRAME PATTERN FOR PREVENTING INTER-CELL INTERFERENCE FROM OCCURRING IN A HETEROGENEOUS NETWORK SYSTEM AND APPARTUS FOR THE SAME
Document Type and Number:
WIPO Patent Application WO/2012/108640
Kind Code:
A3
Abstract:
A method for setting an almost blank subframe (ABS) pattern in a base station of a wireless communication system is disclosed. The method comprises receiving an ABS bitmap pattern from a neighboring base station; setting the ABS pattern of the base station by repeating the ABS bitmap pattern within a previously set number of radio frames; receiving an offset value indicating an application start point of an updated ABS bitmap pattern and an application start of the updated ABS bitmap pattern from the neighboring base station; and setting the ABS pattern of the base station by repeating the updated ABS bitmap pattern from a start subframe of a specific radio frame indicated by the offset value.

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Inventors:
SEO HANBYUL (KR)
LEE SEUNGMIN (KR)
KIM KIJUN (KR)
Application Number:
PCT/KR2012/000805
Publication Date:
October 18, 2012
Filing Date:
February 02, 2012
Export Citation:
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Assignee:
LG ELECTRONICS INC (KR)
SEO HANBYUL (KR)
LEE SEUNGMIN (KR)
KIM KIJUN (KR)
International Classes:
H04B7/26; H04W88/08
Other References:
CMCC: "Discussion on ist ABS pattern bitmap for TDD", 3GPP TSG-RAN WG1 MEETING #63, R1-106315, 15 November 2010 (2010-11-15)
NEW POSTCOM: "ABS signaling considerations for LTE-TDD", 3GPP TSG-RAN WG1 MEETING #63, R1-105940, 15 November 2010 (2010-11-15)
LG ELECTRONICS: "Details of eICIC in Macro-Pico case", 3GPP TSG-RAN WG1 MEETING #63, R1-106143, 15 November 2010 (2010-11-15)
INTERDIGITAL COMMUNICATIONS ET AL.: "eICIC Macro-Femto: Time-domain muting and ABS", 3GPP TSG-RAN WG1 MEETING #63, R1-105951, 15 November 2010 (2010-11-15)
Attorney, Agent or Firm:
KIM, Yong In et al. (7th Floor Hyundae Building 175-9 Jamsil-dong, Songpa-ku, Seoul 138-861, KR)
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