Sleep mode selection employing a semi-markov decision process
First Claim
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1. A system comprising:
- a memory to store instructions; and
a processor, coupled to the memory, that facilitates execution of the instructions to perform operations comprising;
accessing a set of sleep mode instructions comprising a first sleep mode instruction for a first sleep mode defined in a corresponding wireless communication standard and a second sleep mode instruction for a second sleep mode defined in the corresponding wireless communication standard, wherein a sleep mode instruction of the set of sleep mode instructions is selectable based on a sleep mode selection policy; and
modifying the sleep mode selection policy based on a semi-Markov decision process model to form a modified sleep mode selection policy without modification of the sleep mode instruction of the set of sleep mode instructions.
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Abstract
The disclosed subject matter relates to energy efficiency in mobile devices associated with a wireless communications environment. Power Saving Classes (PSCs) aim to reduce the power consumption of mobile devices based on the different types of traffic. Optimizing sleep mode selection schemes so as to maximize the energy efficiency while providing a QoS guarantee can be accomplished with optimization of a theoretical framework based on the semi-Markov Decision Process along with a performance evaluation on the sleep mode operation. A novel Policy Optimization algorithm is capable of finding optimized policies for a selection of different PSCs.
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Citations
22 Claims
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1. A system comprising:
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a memory to store instructions; and a processor, coupled to the memory, that facilitates execution of the instructions to perform operations comprising; accessing a set of sleep mode instructions comprising a first sleep mode instruction for a first sleep mode defined in a corresponding wireless communication standard and a second sleep mode instruction for a second sleep mode defined in the corresponding wireless communication standard, wherein a sleep mode instruction of the set of sleep mode instructions is selectable based on a sleep mode selection policy; and modifying the sleep mode selection policy based on a semi-Markov decision process model to form a modified sleep mode selection policy without modification of the sleep mode instruction of the set of sleep mode instructions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method, comprising:
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accessing, by a system comprising a processor, a wireless communication parameter of a wireless communication link between a base station device and a mobile device; receiving a first sleep mode instruction for a first sleep mode of a wireless communication standard employed by the wireless communication link; receiving a second sleep mode instruction for a second sleep mode of the wireless communication standard; and modifying, by the system, a sleep mode selection policy, based on a semi-Markov decision process and the wireless communication parameter, to form a modified sleep mode selection policy, wherein a sleep mode instruction, of a set of sleep mode instructions comprising the first sleep mode instruction and second sleep mode instruction, is configured to be selected based on the modified sleep mode selection policy. - View Dependent Claims (14, 15, 16, 17)
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18. A mobile subscriber station comprising:
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a memory to store instructions; and a processor, coupled to the memory, that facilitates execution of the instructions to perform operations comprising; modeling a sleep mode selection policy of the mobile subscriber station as a semi-Markov decision process to facilitate computing performance evaluations of wireless power saving classes associated with the mobile subscriber station and a wireless link to a base station device or access point device of a wireless communications system, wherein a set of sleep mode operations comprises a first sleep mode operation for a first defined sleep mode of a wireless communication standard employed by the wireless communication link and a second sleep mode operation for a second defined sleep mode of the wireless communication standard; modifying a sleep mode selection policy without modification of the set of sleep mode operations, to form a modified sleep mode selection policy, based on the modeling of the sleep mode selection policy; modeling a cost function for a behavior of the sleep mode operation of the mobile subscriber station; and selecting a sleep mode operation of the set of sleep mode operations based on the modified sleep mode selection policy and the modeling the cost function. - View Dependent Claims (19, 20)
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21. A computer-readable storage medium having instructions stored thereon that, in response to execution, cause a system comprising a processor to perform operations, comprising:
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modeling a sleep mode selection policy of a mobile subscriber station as a semi-Markov decision process to facilitate an evaluation of wireless power saving classes associated with the mobile subscriber station and a wireless link with a base station device or access point device of a wireless communications system, wherein a set of sleep mode operations comprises a first sleep mode operation for a first sleep mode of a wireless communication standard employed by the wireless communication link and a second sleep mode operation for a second sleep mode of the wireless communication standard; and modifying a sleep mode selection policy without modification of the set of sleep mode operations, to form a modified sleep mode selection policy, based on the modeling the sleep mode selection policy. - View Dependent Claims (22)
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Specification