Data-transmitting/receiving method for effectively suppressing power consumption
First Claim
1. A data transmitting/receiving method performed between a master device and at least one slave device, wherein a data frame transmitted/received between the master device and the slave device is configured to include a synchronization section that defines a signal used for synchronization, a payload section that includes at least one payload, a combined information header defining a number of payloads and a payload length of each of the payloads, and a header section that defines a payload length of the payload section as a whole, the data transmitting/receiving method comprising:
- synchronization establishing step for establishing synchronization between the master device and the slave device based on predetermined synchronization information;
receiving step for receiving the data frame after the establishment of the synchronization;
payload extracting step for extracting the payloads from the received data frame;
payload generating step for generating a new payload section by combining the extracted payloads with another payload extracted from another data frame received from another device or with a new payload generated by a device that receives the data frame;
header generating step for generating a new synchronization section and a new header section;
data frame generating step for generating a new data frame by combining the new synchronization section and the new header section that are generated with the new payload section; and
transmitting step for transmitting the generated new data frame,wherein the slave device determines the master device to be connected based on a predetermined criterion which includes at least one of a distance UP to a collection meter, a distance from a device that has transmitted a scan request, and an order in which scan responses are transmitted.
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Abstract
A data transmitting/receiving method capable of effectively suppressing power consumption includes: establishing synchronization between a master device and a slave device; receiving a data frame; extracting payloads from the received data frame; generating a new payload section by combining the extracted payloads with another payload extracted from another data frame received from another device or a new payload generated by the device; generating a new synchronization section and a new header section; generating a new data frame by combining the new synchronization section and the new header section that are generated with the new payload section; and transmitting the generated new data frame.
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Citations
8 Claims
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1. A data transmitting/receiving method performed between a master device and at least one slave device, wherein a data frame transmitted/received between the master device and the slave device is configured to include a synchronization section that defines a signal used for synchronization, a payload section that includes at least one payload, a combined information header defining a number of payloads and a payload length of each of the payloads, and a header section that defines a payload length of the payload section as a whole, the data transmitting/receiving method comprising:
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synchronization establishing step for establishing synchronization between the master device and the slave device based on predetermined synchronization information; receiving step for receiving the data frame after the establishment of the synchronization; payload extracting step for extracting the payloads from the received data frame; payload generating step for generating a new payload section by combining the extracted payloads with another payload extracted from another data frame received from another device or with a new payload generated by a device that receives the data frame; header generating step for generating a new synchronization section and a new header section; data frame generating step for generating a new data frame by combining the new synchronization section and the new header section that are generated with the new payload section; and transmitting step for transmitting the generated new data frame, wherein the slave device determines the master device to be connected based on a predetermined criterion which includes at least one of a distance UP to a collection meter, a distance from a device that has transmitted a scan request, and an order in which scan responses are transmitted. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification
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- Resources
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Current AssigneeNational Institute of Information and Communications Technology
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Original AssigneeNational Institute of Information and Communications Technology
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InventorsKojima, Fumihide, Harada, Hiroshi
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Primary Examiner(s)Zuniga Abad, Jackie
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Application NumberUS14/416,240Publication NumberTime in Patent Office1,747 DaysField of SearchUS Class CurrentCPC Class CodesH04L 5/0044 allocation of payloadH04W 28/065 using assembly or disassemb...H04W 52/0212 managed by the network, e.g...H04W 56/00 Synchronisation arrangementsH04W 56/0015 one node acting as a refere...H04W 76/14 Direct-mode setupH04W 84/20 Master-slave selection or c...Y02D 30/70 in wireless communication n...
