MULTIPLE CARRIER INDICATION AND DOWNLINK CONTROL INFORMATION INTERACTION
First Claim
Patent Images
1. A method, comprising:
- receiving a plurality of component carriers configured for a wireless communication device, the plurality of component carriers comprising a plurality of search spaces comprising one or more common search spaces and a plurality of user-specific search spaces;
receiving a cross-carrier indicator configured to enable cross-carrier signaling for a first component carrier; and
determining whether the cross-carrier indicator is present in a control information format carried on a second component carrier, based on an association of the control information format with a search space on the second component carrier.
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Accused Products
Abstract
Methods, systems, apparatus and computer program products are provided to facilitate the configuration and allocation of cross-carrier control information associated with transmissions of a wireless communication system. This Abstract is provided for the sole purpose of complying with the Abstract requirement rules that allow a reader to quickly ascertain the disclosed subject matter. Therefore, it is to be understood that it should not be used to interpret or limit the scope or the meaning of the claims.
253 Citations
108 Claims
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1. A method, comprising:
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receiving a plurality of component carriers configured for a wireless communication device, the plurality of component carriers comprising a plurality of search spaces comprising one or more common search spaces and a plurality of user-specific search spaces; receiving a cross-carrier indicator configured to enable cross-carrier signaling for a first component carrier; and determining whether the cross-carrier indicator is present in a control information format carried on a second component carrier, based on an association of the control information format with a search space on the second component carrier. - View Dependent Claims (2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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4. The method of claim. I, wherein the first component carrier and the second component carrier are different component carriers.
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23. An apparatus, comprising:
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means for receiving a plurality of component carriers configured for a wireless communication device, the plurality of component carriers comprising a plurality of search spaces comprising one or more common search spaces and a plurality of user-specific search spaces; means for receiving a cross-carrier indicator configured to enable cross-carrier signaling for a first component carrier; and means for determining whether the cross-carrier indicator is present in a control information format carried on a second component carrier, based on an association of the control information format with a search space on the second component carrier.
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24. An apparatus, comprising:
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a processor; and a memory comprising processor executable code that, when executed by the processor, configures the apparatus to; receive a plurality of component carriers configured for a wireless communication device, the plurality of component carriers comprising a plurality of search spaces comprising one or more common search spaces and a plurality of user-specific search spaces; receive a cross-carrier indicator configured to enable cross-carrier signaling for a first component carrier; and determine whether the cross-carrier indicator is present in a control information format carried on a second component carrier, based on an association of the control information format with a search space on the second component carrier. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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46. A computer program product, embodied on a non-transitory computer readable storage medium, comprising:
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program code for receiving a plurality of component carriers configured for a wireless communication device, the plurality of component carriers comprising a plurality of search spaces comprising one or more common search spaces and a plurality of user-specific search spaces; program code for receiving a cross-carrier indicator configured to enable cross-carrier signaling for a first component carrier; and program code for determining whether the cross-carrier indicator is present in a control information format carried on a second component carrier, based on an association of the control information format with a search space on the second component carrier.
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47. A method, comprising:
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transmitting a plurality of component carriers configured for a wireless communication device, the plurality of component carriers comprising a plurality of search spaces comprising one or more common search spaces and a plurality of user-specific search spaces; and transmitting a cross-carrier indicator configured to enable cross-carrier signaling for a first component carrier and to provide a determination of whether the cross-carrier indicator is present in the control information format carried on a second component carrier, based on an association of the control information format with a search space on the second component carrier. - View Dependent Claims (48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68)
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69. An apparatus, comprising:
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means for transmitting a plurality of component carriers configured for a wireless communication device, the plurality of component carriers comprising a plurality of search spaces comprising one or more common search spaces and a plurality of user-specific search spaces; and means for transmitting a cross-carrier indicator configured to enable cross-carrier signaling for a first component carrier and to provide a determination of whether the cross-carrier indicator is present in a control information format carried on a second component carrier, based on an association of the control information format with a search space on the second component carrier.
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70. An apparatus, comprising:
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a processor; and a memory comprising processor executable code that, when executed by the processor, configures the apparatus to; transmit a plurality of component carriers configured for a wireless communication device, the plurality of component carriers comprising a plurality of search spaces comprising one or more common search spaces and a plurality of user-specific search spaces; and transmit a cross-carrier indicator configured to enable cross-carrier signaling for a first component carrier and to provide a determination of whether the cross-carrier indicator is present in a control information format carried on a second component carrier, based on an association of the control information format with a search space on the second component carrier. - View Dependent Claims (71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91)
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92. A computer program product, embodied on a non-transitory computer readable storage medium, comprising:
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program code for transmitting a plurality of component carriers configured for a wireless communication device, the plurality of component carriers comprising a plurality of search spaces comprising one or more common search spaces and a plurality of user-specific search spaces; and program code for transmitting a cross-carrier indicator configured to enable cross-carrier signaling for a first component carrier; and
to provide a determination of whether the cross-carrier indicator is present in a control information format carried on a second component carrier, based on an association of the control information format with a search space on the second component carrier.
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93. A method, comprising:
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formatting control information, in a control channel of a communications carrier, with a cross-carrier control indicator; and scrambling the control information with a scrambling code, wherein the scrambling code is selected based on a format of the control information and a location of the control information within a plurality of search spaces in the control channel. - View Dependent Claims (94, 95)
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96. A method, comprising:
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searching a plurality of search spaces in a control channel of a communications carrier for scrambled control information; blind-decoding the plurality of search spaces with a plurality of descrambling codes to extract the control information; and determining a presence of a cross-carrier control indicator based on a format of the control information and a location of the control information in the plurality of search spaces. - View Dependent Claims (97, 98)
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99. An apparatus, comprising:
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a processor; and a memory comprising processor executable code that, when executed by the processor, configures the apparatus to; format control information, in a control channel of a communications carrier, with a cross-carrier control indicator; and scramble the control information with a scrambling code, wherein the scrambling code is selected based on a format of the control information and a location of the control information within a plurality of search spaces in the control channel. - View Dependent Claims (100, 101)
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102. An apparatus, comprising:
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a processor; and a memory comprising processor executable code that, when executed by the processor, configures the apparatus to; search a plurality of search spaces in a control channel of a communications carrier for scrambled control information; blind-decode the plurality of search spaces with a plurality of descrambling codes to extract the control information; and determine a presence of a cross-carrier control indicator based on a format of the control information and a location of the control information in the plurality of search spaces. - View Dependent Claims (103, 104)
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105. A computer program product, embodied on a non-transitory computer readable storage medium, comprising:
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program code for formatting control information, in a control channel of a communications carrier, with a cross-carrier control indicator; and program code for scrambling the control information with a scrambling code, wherein the scrambling code is selected based on a format of the control information and a location of the control information within a plurality of search spaces in the control channel.
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106. A computer program product, embodied on a non-transitory computer readable storage medium, comprising:
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program code for searching a plurality of search spaces in a control channel of a communications carrier for scrambled control information; program code for blind-decoding the plurality of search spaces with a plurality of descrambling codes to extract the control information; and program code for determining a presence of a cross-carrier control indicator based on a format of the control information and a location of the control information in the plurality of search spaces.
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107. An apparatus, comprising:
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means for formatting control information, in a control channel of a communications carrier, with a cross-carrier control indicator; and means for scrambling the control information with a scrambling code, wherein the scrambling code is selected based on a format of the control information and a location of the control information within a plurality of search spaces in the control channel.
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108. An apparatus, comprising:
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means for searching a plurality of search spaces in a control channel of a communications carrier for scrambled control information; means for blind-decoding the plurality of search spaces with a plurality of descrambling codes to extract the control information; and means for determining a presence of a cross-carrier control indicator based on a format of the control information and a location of the control information in the plurality of search spaces.
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Specification