Sounding signal in a multicarrier wireless device
First Claim
Patent Images
1. A wireless device comprising:
- 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 message comprising configuration parameters of;
(1) a plurality of cells grouped into a plurality of cell groups; and
(2) n sounding reference signals (SRSs) configured to be transmitted in a plurality of subframes, n being greater than one;
ii) transmit, on a first cell of a first cell group in said plurality of cell groups, a packet in a plurality of symbols of a first subframe in said plurality of subframes, said plurality of symbols comprising the last symbol of said first subframe;
iii) transmit a first subset of said n SRSs in said last symbol, said first subset consisting of k SRSs, wherein 1<
=k<
n; and
iv) drop a second subset of said n SRSs in said last symbol, said second subset consisting of m SRSs, wherein 1<
=m<
n.
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Abstract
A wireless device receives message(s) configuring cell groups and transmissions of sounding reference signals. Sounding reference signals are configured to be transmitted in a subframe. The wireless device transmits at least one packet on at least one first cell in the subframe. The wireless device transmits a first subset of the sounding reference signals and drops a second subset of the sounding reference signals.
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Citations
20 Claims
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1. 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 message comprising configuration parameters of; (1) a plurality of cells grouped into a plurality of cell groups; and (2) n sounding reference signals (SRSs) configured to be transmitted in a plurality of subframes, n being greater than one; ii) transmit, on a first cell of a first cell group in said plurality of cell groups, a packet in a plurality of symbols of a first subframe in said plurality of subframes, said plurality of symbols comprising the last symbol of said first subframe; iii) transmit a first subset of said n SRSs in said last symbol, said first subset consisting of k SRSs, wherein 1<
=k<
n; andiv) drop a second subset of said n SRSs in said last symbol, said second subset consisting of m SRSs, wherein 1<
=m<
n. - View Dependent Claims (2, 3, 4)
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5. 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 message comprising configuration parameters of; (1) a plurality of cells grouped into a plurality of cell groups; and (2) n sounding reference signals (SRSs) configured to be transmitted in a plurality of subframes, n being greater than one; ii) transmit, on a first cell of a first cell group in said plurality of cell groups, a packet in a plurality of symbols of a first subframe in said plurality of subframes, said plurality of symbols comprising the last symbol of said first subframe; iii) transmit a first subset of said n SRSs in said last symbol on at least one second cell different from said first cell, said first subset consisting of k SRSs, wherein 1<
=k<
n and said at least one second cell comprises at least one cell in said first cell group; andiv) drop a second subset of said n SRSs in said last symbol, said second subset consisting of m SRSs, wherein 1<
=m<
n. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. 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 message comprising configuration parameters of; (1) a plurality of cells grouped into a plurality of cell groups; and (2) n sounding reference signals (SRSs) configured to be transmitted in a plurality of subframes, n being greater than one; ii) transmit, on a first cell of a first cell group in said plurality of cell groups, a packet in a plurality of symbols of a first subframe in said plurality of subframes, said plurality of symbols comprising the last symbol of said first subframe; iii) transmit a first subset of said n SRSs in said last symbol on at least one second cell different from said first cell, said first subset consisting of k SRSs, wherein 1<
=k<
n and said at least one second cell comprises at least one cell in said first cell group;iv) transmit a random access preamble in a second subframe in said plurality of subframes in a second cell group in said plurality of cell groups; and v) drop a second subset of said n SRSs on at least one third cell in said second cell group in said second subframe, said second subset consisting of m SRSs, wherein 1<
=m<
n.
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Specification