BUFFERING TECHNIQUES FOR POWER MANAGEMENT
First Claim
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1. An apparatus, comprising:
- a power management module having a power management controller;
a managed power system to couple to the power management module, the managed power system comprising a communications sub-system and a computing sub-system, the power management controller to switch the communications sub-system and the computing sub-system to a lower power state to conserve energy, the communications sub-system having;
a transceiver;
a buffer to couple to the transceiver, the buffer to store packets of information for the transceiver during a communications idle duration period to create a computing idle duration period;
a watermark generator to couple to the buffer, the watermark generator operative to generate a variable receive threshold value; and
a buffer manager to couple to the buffer and the watermark generator, the buffer manager operative to transfer the stored packets of information from the buffer to the computing sub-system based on a variable receive threshold value.
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Abstract
Buffering techniques for power management are described. A method may comprise modifying a power state for a communications sub-system and a computing sub-system from a higher power state to a lower power state, storing packets of information in a buffer for the communications sub-system during a communications idle duration period, generating a variable receive threshold value for the buffer, and transferring the stored packets of information from the buffer to the computing sub-system based on a variable receive threshold value. Other embodiments are described and claimed.
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Citations
15 Claims
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1. An apparatus, comprising:
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a power management module having a power management controller; a managed power system to couple to the power management module, the managed power system comprising a communications sub-system and a computing sub-system, the power management controller to switch the communications sub-system and the computing sub-system to a lower power state to conserve energy, the communications sub-system having; a transceiver; a buffer to couple to the transceiver, the buffer to store packets of information for the transceiver during a communications idle duration period to create a computing idle duration period; a watermark generator to couple to the buffer, the watermark generator operative to generate a variable receive threshold value; and a buffer manager to couple to the buffer and the watermark generator, the buffer manager operative to transfer the stored packets of information from the buffer to the computing sub-system based on a variable receive threshold value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method, comprising:
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modifying a power state for a communications sub-system and a computing sub-system from a higher power state to a lower power state; storing packets of information in a buffer for the communications sub-system during a communications idle duration period to create a computing idle duration period; generating a variable receive threshold value for the buffer; and transferring the stored packets of information from the buffer to the computing sub-system based on a variable receive threshold value. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification