Pathloss reference configuration in a wireless device and base station
First Claim
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1. A method comprising:
- a) transmitting, by a base station configured to communicate employing a plurality of cells, at least one control message to a wireless device in a plurality of wireless devices, said at least one control message;
i) configured to cause in said wireless device;
(1) configuration of at least one secondary cell in said plurality of cells; and
(2) assignment of each of said at least one secondary cell to a cell group in a plurality of cell groups, said plurality of cell groups comprising;
(a) a primary cell group comprising a first subset of said plurality of cells, said first subset comprising a primary cell, uplink signals transmitted by said wireless device in said primary cell group employing a first synchronization signal transmitted on said primary cell; and
(b) a secondary cell group comprising a second subset of said at least one secondary cell, said second subset comprising a reference secondary cell, uplink signals transmitted in said secondary cell group employing a second synchronization signal on said reference secondary cell as a secondary timing reference; and
ii) comprising a plurality of dedicated parameters for a secondary cell in said at least one secondary cell, said plurality of dedicated parameters;
(1) specific to said wireless device; and
(2) comprising a transmission power pathloss reference employed for transmission power determination of uplink signals of said secondary cell, said transmission power pathloss reference;
(a) being a configurable parameter if said secondary cell is in said primary cell group, said configurable parameter being configurable to one of the following;
(i) a downlink of said secondary cell; and
(ii) a downlink of said primary cell; and
(b) being only configurable as a downlink of said secondary cell if said secondary cell is in said secondary cell group; and
b) receiving, by said base station, uplink signals in said secondary cell from said wireless device, transmission power of said uplink signals being determined, at least in part, employing a received power of said transmission power pathloss reference assigned to said secondary cell.
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Abstract
A base station transmits message(s) assigning each of at least one secondary cell to a cell group in cell groups comprising a primary cell group and a secondary cell group. The at least one message comprises a pathloss reference for a secondary cell. The pathloss reference is a configurable parameter if the secondary cell is in the primary cell group. The configurable parameter is configurable to a downlink of the secondary cell or the primary cell. The pathloss reference is only configurable as a downlink of the secondary cell if the secondary cell is in the secondary cell group.
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Citations
20 Claims
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1. A method comprising:
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a) transmitting, by a base station configured to communicate employing a plurality of cells, at least one control message to a wireless device in a plurality of wireless devices, said at least one control message; i) configured to cause in said wireless device; (1) configuration of at least one secondary cell in said plurality of cells; and (2) assignment of each of said at least one secondary cell to a cell group in a plurality of cell groups, said plurality of cell groups comprising; (a) a primary cell group comprising a first subset of said plurality of cells, said first subset comprising a primary cell, uplink signals transmitted by said wireless device in said primary cell group employing a first synchronization signal transmitted on said primary cell; and (b) a secondary cell group comprising a second subset of said at least one secondary cell, said second subset comprising a reference secondary cell, uplink signals transmitted in said secondary cell group employing a second synchronization signal on said reference secondary cell as a secondary timing reference; and ii) comprising a plurality of dedicated parameters for a secondary cell in said at least one secondary cell, said plurality of dedicated parameters; (1) specific to said wireless device; and (2) comprising a transmission power pathloss reference employed for transmission power determination of uplink signals of said secondary cell, said transmission power pathloss reference; (a) being a configurable parameter if said secondary cell is in said primary cell group, said configurable parameter being configurable to one of the following;
(i) a downlink of said secondary cell; and
(ii) a downlink of said primary cell; and(b) being only configurable as a downlink of said secondary cell if said secondary cell is in said secondary cell group; and b) receiving, by said base station, uplink signals in said secondary cell from said wireless device, transmission power of said uplink signals being determined, at least in part, employing a received power of said transmission power pathloss reference assigned to said secondary cell. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A base station, configured to communicate employing a plurality of cells, comprising:
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a) one or more communication interfaces; b) one or more processors; and c) memory storing instructions that, when executed, cause said base station to; i) transmit at least one control message to a wireless device, said at least one control message; (1) configured to cause in said wireless device; (a) configuration of at least one secondary cell in said plurality of cells; and (b) assignment of each of said at least one secondary cell to a cell group in a plurality of cell groups, said plurality of cell groups comprising;
(i) a primary cell group comprising a first subset of said plurality of cells, said first subset comprising a primary cell; and
(ii) a secondary cell group comprising a second subset of said at least one secondary cell; and(2) comprising a transmission power pathloss reference employed for transmission power determination of uplink signals of a secondary cell in said at least one secondary cell, said transmission power pathloss reference; (a) being a configurable parameter if said secondary cell is in said primary cell group, said configurable parameter being configurable to one of the following;
(i) a downlink of said secondary cell; and
(ii) a downlink of said primary cell; and(b) being only configurable as a downlink of said secondary cell if said secondary cell is in said secondary cell group; and ii) receive uplink signals in said secondary cell from said wireless device, transmission power of said uplink signals being determined, at least in part, employing a received power of said transmission power pathloss reference assigned to said secondary cell. - View Dependent Claims (12, 13, 14, 15)
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16. A wireless device comprising:
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a) one or more communication interfaces; b) one or more processors; and c) memory storing instructions that, when executed, cause said wireless device to; i) receive at least one control message from a base station, said base station configured to communicate employing a plurality of cells with said wireless device, said at least one control message; (1) causing in said wireless device; (a) configuration of at least one secondary cell in said plurality of cells; and (b) assignment of each of said at least one secondary cell to a cell group in a plurality of cell groups, said plurality of cell groups comprising;
(i) a primary cell group comprising a first subset of said plurality of cells, said first subset comprising a primary cell; and
(ii) a secondary cell group comprising a second subset of said at least one secondary cell; and(2) comprising a transmission power pathloss reference employed for transmission power determination of uplink signals of a secondary cell in said at least one secondary cell, said transmission power pathloss reference; (a) being a configurable parameter if said secondary cell is in said primary cell group, said configurable parameter being configurable to one of the following;
(i) a downlink of said secondary cell; and
(ii) a downlink of said primary cell; and(b) being only configurable as a downlink of said secondary cell if said secondary cell is in said secondary cell group; and ii) transmit to said base station uplink signals in said secondary cell, transmission power of said uplink signals being determined, at least in part, employing a received power of said transmission power pathloss reference assigned to said secondary cell. - View Dependent Claims (17, 18, 19, 20)
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Specification