TERMINAL DEVICE

• US 20140310407A1
• Filed: 04/09/2014
• Published: 10/16/2014
• Est. Priority Date: 04/11/2013
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: ZHANG, Gong, CAO, Guoxiang
• Granted Patent: US 9,819,564 B2
• Time in Patent Office: Days
• US Class Current: 709/224
• CPC Class Codes: G06F 11/3096 wherein the means or processing minimize the use of computing system or of computing system component resources, e.g. non-intrusive monitoring which minimizes the probe effect: sniffing, intercepting, indirectly deriving the monitored data from other directly available data
• CPC Class Codes: G06Q 10/1091 Recording time for administrative or management purposes
• CPC Class Codes: H04L 43/0876 Network utilisation, e.g. volume of load or congestion level
• CPC Class Codes: H04M 2250/10 including a GPS signal receiver
• CPC Class Codes: H04M 2250/12 including a sensor for measuring a physical value, e.g. temperature or motion
• CPC Class Codes: H04W 52/0274 by switching on or off the equipment or parts thereof
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

The present invention provide a terminal device, including: at least one sensor, a data processing unit, a memory, a CPU, and a storage, where the sensor is configured to sense a corresponding measured object and generate corresponding sensing data; and the data processing unit is configured to collect the sensing data jointly with the CPU in a mutually complementary manner, store the collected sensing data in the memory, perform feature extraction on the sensing data stored in the memory, and store extracted feature data in the storage, where the mutually complementary manner refers to that, when one of the data processing unit and the CPU is in a working state, the other is in a dormant state. The terminal device provided by the embodiments of the present invention can improve a utilization rate of the CPU.

Claims

1. A terminal device, comprising:

a central processing unit CPU and a memory, wherein the terminal device further comprises;

at least one sensor, a data processing unit, and a storage, wherein

the at least one sensor is configured to sense a corresponding measured object and generate corresponding sensing data;

the data processing unit is configured to collect, jointly with the CPU in a mutually complementary manner, the sensing data generated by the at least one sensor, store the collected sensing data in the memory, perform feature extraction on the sensing data stored in the memory, and store extracted feature data in the storage, wherein the mutually complementary manner refers to that, when one of the data processing unit and the CPU is in a working state, the other is in a dormant state, and a state of the data processing unit is restricted by a state of the CPU; and

the storage is configured to store the feature data extracted by the data processing unit.

2. The terminal device according to claim 1, wherein the data processing unit is specifically configured to collect, jointly with the CPU in the mutually complementary manner, the sensing data generated by the at least one sensor, store the collected sensing data in the memory, perform feature extraction on the sensing data stored in the memory, and store the extracted feature data in the storage by using a second input/output I/O channel, wherein the second I/O channel is independent of a first I/O channel that is used by the CPU to access the storage.

3. The terminal device according to claim 1, wherein the data processing unit comprises:

at least one collecting module, a feature extracting module, and a storage managing module, wherein each collecting module of the at least one collecting module corresponds to one sensor of the at least one sensor;

the at least one collecting module is configured to;

when the CPU is in the dormant state, collect the sensing data that is generated by the sensor corresponding to the at least one collecting module, and store the collected sensing data in the memory;

the feature extracting module is configured to extract the feature data of the sensing data that is stored in the memory, and provide the extracted feature data to the storage managing module; and

the storage managing module is configured to store, in the storage according to a preset storage directory, the feature data provided by the feature extracting module.

4. The terminal device according to claim 3, wherein the data processing unit further comprises:

a collection policy control module, wherein

the collection policy control module is configured to generate a collection policy, and provide corresponding control information to the at least one collecting module according to the collection policy; and

the at least one collecting module is specifically configured to;

when the CPU is in the dormant state, collect, according to the control information provided by the collection policy control module, the sensing data that is generated by the at least one sensor corresponding to the at least one collecting module, and store the collected sensing data in the memory.

5. The terminal device according to claim 4, wherein the collection policy is a periodic collection policy, and the control information is a periodic collection control instruction;

the at least one collecting module is specifically configured to;

when the CPU is in the dormant state, periodically collect, according to the periodic collection control instruction provided by the collection policy control module, the sensing data that is generated by the at least one sensor corresponding to the at least one collecting module, and store the collected sensing data in the memory;

or

the collection policy is a random collection policy, the control information is a random collection control instruction, and the random collection control instruction comprises a random collection function used to determine a random collection time;

the at least one collecting module is specifically configured to;

when the CPU is in the dormant state, collect, according to the random collection control instruction provided by the collection policy control module and at a time point that is determined by the random collection function in the random collection control instruction, the sensing data that is generated by the at least one sensor corresponding to the at least one collecting module, and store the collected sensing data in the memory;

or

the collection policy is a full-day continuous collection policy, and the control information is a continuous collection control instruction; and

the at least one collecting module is specifically configured to;

when the CPU is in the dormant state, continuously collect, according to the continuous collection control instruction provided by the collection policy control module, the sensing data that is generated by the at least one sensor corresponding to the at least one collecting module, and store the collected sensing data in the memory.

6. The terminal device according to claim 3, wherein the feature extracting module is specifically configured to perform feature extraction, according to a preset extraction period, on the sensing data stored within the extraction period in the memory, and provide the extracted feature data to the storage managing module.

7. The terminal device according to claim 5, wherein the collection policy control module is further configured to:

when the collection policy is the periodic collection policy, obtain the sensing data that is collected within a preset adjustment time by the at least one collecting module, adjust a sampling period corresponding to the periodic collection policy according to the obtained sensing data, and provide the at least one collecting module with the sampling period obtained by adjusting, so that the at least one collecting module continues to collect, according to the sampling period obtained by adjusting, the sensing data that is generated by the at least one sensor corresponding to the at least one collecting module.

8. The terminal device according to claim 7, wherein the collection policy control module is specifically configured to:

when the collection policy is the periodic collection policy, obtain the sensing data that is collected within the preset adjustment time by the at least one collecting module, calculate a change rate of the sensing data according to the obtained sensing data, adjust the sampling period according to the change rate, and when a difference between the sampling period obtained by adjusting and the sampling period to be adjusted is greater than a preset difference threshold, provide the at least one collecting module with the sampling period obtained by adjusting, so that the at least one collecting module continues to collect, according to the sampling period obtained by adjusting, the sensing data that is generated by the at least one sensor corresponding to the at least one collecting module.

9. The terminal device according to claim 4, wherein the collection policy control module is further configured to:

when it is detected that a preset first-type triggering event occurs, send an instruction for starting collection to the at least one collecting module, so that the at least one collecting module starts to collect, according to the instruction for starting collection, the sensing data that is generated by the at least one sensor corresponding to the at least one collecting module, and when it is detected that a preset second-type triggering event occurs, send an instruction for ending collection to the at least one collecting module, so that the at least one collecting module ends collecting, according to the instruction for ending collection, the sensing data that is generated by the at least one sensor corresponding to the at least one collecting module; and

the at least one collecting module is specifically configured to;

when the CPU is in the dormant state, start to collect, according to the instruction for starting collection provided by the collection policy control module, the sensing data that is generated by the at least one sensor corresponding to the at least one collecting module, end collecting, according to the instruction for ending collection provided by the collection policy control module, the sensing data that is generated by the at least one sensor corresponding to the at least one collecting module, and store the collected sensing data in the memory.

10. The terminal device according to claim 3, wherein the storage managing module is specifically configured to store, in the storage according to a two-level directory, the feature data provided by the feature extracting module, wherein a first-level directory in the two-level directory is formed by identification information of the terminal device, and a second-level directory in the two-level directory is formed by time information that stores the feature data.