US Patent No. 10,342,006

ALMOST BLANK SUBFRAME IN CARRIER AGGREGATION


Patent No. 10,342,006
Issue Date July 02, 2019
Title Almost Blank Subframe In Carrier Aggregation
Inventorship Esmael Hejazi Dinan, Herndon, VA (US)
Assignee Comcast Cable Communications, LLC, Philadelphia, PA (US)

Claim of US Patent No. 10,342,006

1. A base station comprising:one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the base station to:
transmit a first message comprising a subframe allocation bitmap indicating a plurality of Almost Blank Subframes, wherein the plurality of Almost Blank Subframes consists of second, fourth, seventh, and ninth subframes of each radio frame in a plurality of radio frames;
transmit, to a wireless device, a second message comprising:
a first measurement subframe allocation bitmap indicating a first plurality of measurement subframes of a primary carrier, wherein the first plurality of measurement subframes excludes the plurality of Almost Blank Subframes; and
a second measurement subframe allocation bitmap indicating a second plurality of measurement subframes of the primary carrier, wherein the second plurality of measurement subframes excludes the first plurality of measurement subframes; and
transmit a first Almost Blank Subframe, wherein the first Almost Blank Subframe is transmitted at a power level that is lower than during a non-Almost Blank Subframe.