Method and system for achieving space and time diversity gain
First Claim
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1. A method for achieving space and time diversity gain, comprising:
- selectively assigning a first generalization code, corresponding to a primary pilot channel, to zero;
measuring signal strengths for each of a first plurality of multipath signals received on the primary pilot channel, when the first generalization code is assigned to zero;
selectively assigning a second generalization code, corresponding to a secondary pilot channel, to a non-zero value;
measuring signal strengths for each of a second plurality of multipath signals received on the secondary pilot channel, when the second generalization code is assigned to the non-zero value; and
combining a selected portion of the first and second plurality of received multipath signals based on the measured signal strengths.
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Abstract
Certain aspects of a method and system for achieving space and time diversity gain are disclosed. Aspects of one method may include modifying a generalization code of at least one pilot channel, to measure signal strengths for each of a plurality of received multipath signals. A portion of the plurality of received multipath signals may be combined based on the measured signal strengths. The signal strengths of the plurality of received multipath signals may be measured on a primary pilot channel by assigning its generalization code to zero. The signal strengths of the plurality of received multipath signals on a secondary pilot channel may measured by assigning its generalization code to a non-zero value.
17 Citations
18 Claims
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1. A method for achieving space and time diversity gain, comprising:
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selectively assigning a first generalization code, corresponding to a primary pilot channel, to zero; measuring signal strengths for each of a first plurality of multipath signals received on the primary pilot channel, when the first generalization code is assigned to zero; selectively assigning a second generalization code, corresponding to a secondary pilot channel, to a non-zero value; measuring signal strengths for each of a second plurality of multipath signals received on the secondary pilot channel, when the second generalization code is assigned to the non-zero value; and combining a selected portion of the first and second plurality of received multipath signals based on the measured signal strengths. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A wireless communication device for achieving space and time diversity gain, comprising:
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one or more processors configured to; selectively assign a first generalization code, corresponding to a primary pilot channel, to zero; measure signal strengths for each of a first plurality of multipath signals received on the primary pilot channel, when the first generalization code is assigned to zero; selectively assign a second generalization code, corresponding to a secondary pilot channel, to a non-zero value; measure signal strengths for each of a second plurality of multipath signals received on the secondary pilot channel, when the second generalization code is assigned to the non-zero value; and combine a selected portion of the first and second plurality of received multipath signals based on the measured signal strengths. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A non-transitory computer readable storage medium having instructions stored thereon that, in response to execution by a computing device, cause the computing device to perform operations for achieving space and time diversity gain, the operations comprising:
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selectively assigning a first generalization code, corresponding to a primary pilot channel, to zero; measuring signal strengths for each of a first plurality of multipath signals received on the primary pilot channel, when the first generalization code is assigned to zero; selectively assigning a second generalization code, corresponding to a secondary pilot channel, to a non-zero value; measuring signal strengths for each of a second plurality of multipath signals received on the secondary pilot channel, when the second generalization code is assigned to the non-zero value; and combining a selected portion of the first and second plurality of received multipath signals based on the measured signal strengths. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification
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Current AssigneeAvago Technologies International Sales Pte Limited (Broadcom, Inc.)
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Original AssigneeBroadcom Corporation (Broadcom, Inc.)
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InventorsBotha, Louis, Koekemoer, Philip, Sung, Sang Hun, Kong, Ning
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Primary Examiner(s)ODOM, CURTIS B
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Application NumberUS13/785,788Publication NumberTime in Patent Office854 DaysField of Search375/130, 375/137, 375/143, 375/152, 375/267, 375/347US Class Current1/1CPC Class CodesH04B 1/7103 the interference being mult...H04B 1/7113 Determination of path profileH04B 1/7115 Constructive combining of m...H04B 2201/70714 Reducing hardware requirementsH04B 2201/7097 Direct sequence modulation ...H04B 7/0413 MIMO systemsH04B 7/0669 using different channel cod...H04B 7/0678 using different spreading c...H04B 7/0897 using beamforming per multi...
