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US 8,554,251 B2Granted
Device, method, and apparatus for offline discontinuous reception (DRX) processing in cellular systems
AssigneeQUALCOMM Incorporated
InventorsSupratik Bhattacharjee, Joseph C. Chan, Brian C. Banister, Shivratna G. Srinivasan
Life of this patent
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Abstract
An apparatus and method for processing signals are disclosed. The apparatus may include a transceiver configured to receive a first paging signal during a first cycle, a memory, and a processor configured to store the received first paging signal in the memory, to switch the transceiver to an off state after the first paging signal is stored in the memory, and to process the stored first paging signal while the transceiver is in the off state.
Claims45
A method for processing signals, comprising:
- switching a transceiver of a mobile device to an on state;
- receiving a first paging signal via the transceiver during a first cycle;
- storing the received first paging signal in a memory of the mobile device;
- switching the transceiver to an off state;
- processing the stored first paging signal while the transceiver is in the off state, wherein the processing comprises generating a second paging signal based on an automatic gain control (AGC) processing of the first paging signal and overwriting at least part of the stored first paging signal with at least part of the second paging signal in the memory, and wherein the AGC processing comprises computing a low noise amplifier (LNA) gain estimate from the first paging signal;
- and
- applying the LNA gain estimate computed from the first paging signal during the first cycle to a subsequent paging signal during a subsequent cycle.
4 more elements
A wireless communication apparatus, comprising:
- a transceiver configured to receive a first paging signal during a first cycle;
- a memory;
- and
- a processor configured to:
- store the received first paging signal in the memory;
- switch the transceiver to an off state after the first paging signal is stored in the memory;
- process the stored first paging signal while the transceiver is in the off state, wherein the processing comprises generating a second paging signal based on an automatic gain control (AGC) processing of the first paging signal and overwriting at least part of the stored first paging signal with at least part of the second paging signal in the memory;
- compute a low noise amplifier (LNA) gain estimate from the first paging signal;
- and
- apply the LNA gain estimate computed from the first paging signal during the first cycle to a subsequent paging signal during a subsequent cycle.
7 more elements
An apparatus, comprising:
- means for switching a transceiver of a mobile device to an on state;
- means for receiving a first paging signal via the transceiver during a first cycle;
- means for storing the received first paging signal in a memory of the mobile device;
- means for switching the transceiver to an off state;
- and
- means for processing the stored first paging signal while the transceiver is in the off state, wherein the processing comprises generating a second paging signal based on an automatic gain control (AGC) processing of the first paging signal and overwriting at least part of the stored first paging signal with at least part of the second paging signal in the memory, and wherein the AGC processing comprises computing a low noise amplifier (LNA) gain estimate from the first paging signal;
- and
- wherein the means for processing further includes means for applying the LNA gain estimate computed from the first paging signal during the first cycle to a subsequent paging signal during a subsequent cycle.
5 more elements
A non-transitory computer-readable medium comprising instructions that, when executed by a computer, cause the computer to:
- switch a transceiver of a mobile device to an on state;
- receive a first paging signal via the transceiver during a first cycle;
- store the received first paging signal in a memory of the mobile device;
- switch the transceiver to an off state;
- process the stored first paging signal while the transceiver is in the off state, wherein the processing comprises generating a second paging signal based on an automatic gain control (AGC) processing of the first paging signal and overwriting at least part of the stored first paging signal with at least part of the second paging signal in the memory, and wherein the AGC processing comprises computing a low noise amplifier (LNA) gain from the first paging signal;
- and
- apply the LNA gain estimate computed from the first paging signal during the first cycle to a subsequent paging signal during a subsequent cycle.
4 more elements
A wireless communications apparatus, comprising:
- at least one processor configured to:
- switch a transceiver of a mobile device to an on state;
- receive a first paging signal via the transceiver during a first cycle;
- store the received first paging signal in a memory of the mobile device;
- switch the transceiver to an off state;
- process the stored first paging signal while the transceiver is in the off state, wherein the processing comprises generating a second paging signal based on an automatic gain control (AGC) processing of the first paging signal and overwriting at least part of the stored first paging signal with at least part of the second paging signal in the memory;
- compute a low noise amplifier (LNA) gain estimate from the first paging signal;
- and
- apply the LNA gain estimate computed from the first paging signal during the first cycle to a subsequent paging signal during a subsequent cycle.
6 more elements
Dependencies are inferred from the claim text.