Communication Device, Computer Readable Recording Medium, Communication Method and Communication System

• US 20120188893A1
• Filed: 01/26/2012
• Published: 07/26/2012
• Est. Priority Date: 01/26/2011
• Status: Active Grant

• Current Assignee: Brother Kogyo Kabushiki Kaisha
• Original Assignee: Brother Kogyo Kabushiki Kaisha
• Inventors: Amano, Katsuhiro
• Granted Patent: US 8,811,209 B2
• Time in Patent Office: Days
• US Class Current: 370/252
• CPC Class Codes: H04L 43/10 Active monitoring, e.g. heartbeat, ping or trace-route
• CPC Class Codes: H04L 47/10 Flow control; Congestion control
• CPC Class Codes: H04L 47/43 Assembling or disassembling of packets, e.g. segmentation and reassembly [SAR]

Abstract

Determining and configuration a transmission period for a communication device may include transmitting measurement data to measure a relay period of a relay device in the network, where the relay period corresponds to an interval of relaying data to another communication device configured to connectable to network. Additionally, the communication device may receive result data indicative of the relay period of the relay device in response to the measurement data from the other communication device, determine the transmission period at which the communication device transmits data to the other communication device based on the relay period, and transmit data to the other communication device via the relay device based on the determined transmission period.

Claims

1. A communication device comprising:

a processor configured to control the communication device to;

transmit measurement data to measure a relay period of a relay device in a network through which the communication device is connectable to transmit data, wherein the relay period corresponds to an interval at which the relay device relays data from the communication device to another communication device configured to connect to the network;

receive, from the other communication device, result data indicative of the relay period of the relay device in relaying the measurement data;

determine a transmission period at which the communication device is to transmit data from the communication device to the other communication device, wherein the transmission period is determined based on the relay period; and

transmit further data to the other communication device based on the determined transmission period.

2. The communication device according to claim 1, wherein the result data is transferred from the other communication device in response to receiving the measurement data.

3. The communication device according to claim 1, wherein determining the transmission period includes:

determining an integer multiple of the relay period; and

setting the transmission period to the integer multiple of the relay period.

4. The communication device according to claim 3, wherein the processor is further configured to control the communication device to:

transmit the measurement data from the communication device to a plurality of other communication devices;

receive multiple sets of result data from the plurality of the communication device,

determine a common integer multiple of the plurality of relay periods based on the received multiple sets of the result data; and

set the transmission period to the determined common integer multiple of the plurality of relay periods.

5. The communication device of claim 4, wherein determining the common integer multiple of the plurality of relay periods includes determining a least common integer multiple of the plurality of relay periods.

6. The communication device according to claim 4, wherein determining the transmission period includes:

determining a plurality of relay periods corresponding to the multiple sets of result data;

determining a least common multiple of the plurality of relay periods; and

setting the transmission period to the determined least common multiple.

7. The communication device according to claim 1,

wherein the communication device is configured to connect to the other communication device using peer to peer communication via the network, and

wherein the communication device is configured to transmit the further data to the other communication device using peer to peer communication.

8. The communication device according to claim 1, wherein the processor is further configured to control the communication device to:

set the determined transmission period as an encoding period;

encode the data according to the encoding period; and

transmit the encoded data to the other communication device via the relay device based on the determined transmission period.

9. A non-transitory computer readable recording medium storing computer readable instructions that, when executed, cause a communication device to:

transmit measurement data to measure a relay period of a relay device in a network through which the communication device is connectable to transmit data, wherein the relay period corresponds to an interval at which the relay device relays data from the communication device to another communication device configured to connect to the network;

receive, from the other communication device, result data indicative of the relay period of the relay device in relaying the measurement data from the other communication device;

determine a transmission period at which the communication device is to transfer data from the communication device to the other communication device, wherein the transmission period is determined based on the relay period; and

transmit further data to the other communication device based on the determined transmission period.

10. A method comprising:

transmitting, by a communication device, measurement data to measure a relay period of a relay device in a network through which the communication device is connectable to transmit data, wherein the relay period corresponds to an interval at which the relay device relays data from the communication device to another communication device configured to connect to the network;

receiving, from the other communication device, result data indicative of the relay period of the relay device in relaying the measurement data from the other communication device;

determining a transmission period at which the communication device is to transfer data from the communication device to the other communication device, wherein the transmission period is determined based on the relay period; and

transmitting further data to the other communication device based on the determined transmission period.

11. A communication system comprising:

a first communication device; and

a second communication device, wherein the first communication device and the second communication device are configured to be connectable to a network via a relay device which relays data,

wherein the first communication device comprises;

a first processor configured to control the first communication device to;

transmit measurement data to measure a relay period of the relay device, wherein the relay period corresponds to an interval at which the relay device relays data from the first communication device to the second communication device;

receive, from the second communication device, result data indicative of the relay period of the relay device in relaying the measurement data from the second communication device;

determine a transmission period at which the first communication device is to transfer data to the second communication device, wherein the transmission period is determined based on the relay period; and

transmit further data to the second communication device based on the determined transmission period, and

wherein the second communication device comprises;

a second processor configured to control the second communication device to;

receive the measurement data from the first communication device;

transmit the result data from the second communication device to the first communication device;

receive the further data from the first communication device after transmitting the result data; and

control output of the received further data.

12. The system of claim 11, wherein the second processor is further configured to control the second communication device:

receive an indication of the determined transmission period; and

set a decoding period for decoding the further data based on the determined transmission period.