Wireless communication system, wireless communication method, and wireless communication device

Patent metadata

Field	Value
Publication number	US-11838167-B2
Application number	US-202017596064-A
Country	US
Kind code	B2
Filing date	May 28, 2020
Priority date	Jun 5, 2019
Publication date	Dec 5, 2023
Grant date	Dec 5, 2023

Abstract

Provided is a wireless communication system configured to accommodate a plurality of circuits to transmit a signal from a transmitter to a receiver, the system including a number-of-circuits observation unit configured to observe the number of circuits among the plurality of circuits through which communication is being performed; a quality observation unit configured to observe a quality of each of a plurality of communications; a determination unit configured to determine a modulation scheme for transmitting a signal based on the number of circuits observed by the number-of-circuits observation unit, the quality of each of the plurality of communications observed by the quality observation unit, and a required throughput of each of the plurality of circuits; and a modulation unit configured to modulate the signal using the modulation scheme determined by the determination unit.

First claim

The invention claimed is:

1. A wireless communication system configured to accommodate a plurality of circuits to transmit a signal from a transmitter to a receiver, the system comprising:
a number-of-circuits observation unit configured to observe the number of circuits among the plurality of circuits through which a plurality of communications are being performed;
a quality observation unit configured to observe a quality of each of the plurality of communications;
a determination unit configured to determine a modulation scheme for transmitting a signal based on the number of circuits observed by the number-of-circuits observation unit, the quality of each of the plurality of communications observed by the quality observation unit, and a required throughput of each of the plurality of circuits; and
a modulation unit configured to modulate the signal using the modulation scheme determined by the determination unit.

2. The wireless communication system according to claim 1 , wherein the determination unit determines the modulation scheme so that a modulation order is minimized while the quality of each of the plurality of communications observed by the quality observation unit satisfies a required quality.

3. The wireless communication system according to claim 1 , wherein at least one of the plurality of circuits is a voice circuit.

4. A wireless communication method of accommodating a plurality of circuits to transmit a signal from a transmitter to a receiver, the method comprising:
observing the number of circuits among the plurality of circuits through which communication is being performed;
observing a quality of each of a plurality of communications;
determining a modulation scheme for transmitting a signal based on the observed number of circuits, the observed quality of each of the plurality of communications, and a required throughput of each of the plurality of circuits; and
modulating the signal using the determined modulation scheme.

5. The wireless communication method according to claim 4 , wherein the determining includes determining the modulation scheme so that a modulation order is minimized while the observed quality of each of the plurality of communications satisfies a required quality.

6. The wireless communication method according to claim 4 , wherein at least one of the circuits is a voice circuit.

7. A wireless communication device configured to accommodate a plurality of circuits to transmit a signal, the device comprising:
a number-of-circuits observation unit configured to observe the number of circuits through which a plurality of communications are being performed;
a quality observation unit configured to observe a quality of each of the plurality of communications;
a determination unit configured to determine a modulation scheme for transmitting a signal based on the number of circuits observed by the number-of-circuits observation unit, the quality of each of the plurality of communications observed by the quality observation unit, and a required throughput of each of the plurality of circuits; and
a modulation unit configured to modulate the signal using the modulation scheme determined by the determination unit.

8. The wireless communication device according to claim 7 , wherein the determination unit determines a modulation scheme so that a modulation order is minimized while the quality of each of the plurality of communications observed by the quality observation unit satisfies a required quality.

Assignees

• Nippon Telegraph & Telephone

Inventors

• FUKUZONO Hayato
• Tokuyasu Tomohiro
• Kuriyama Keita
• Furuya Hiroyuki
• Ono Yu
• Tatsuta Tsutomu
• Nakayama Tomohiro

Classifications

• H04L27/36 Primary

  Modulator circuits; Transmitter circuits · CPC title

• H04W28/18

  Negotiating wireless communication parameters · CPC title

• H04W72/54

  based on quality criteria · CPC title

• H04L1/0003 Primary

  by switching between different modulation schemes · CPC title

• H04W84/16

  WPBX [Wireless Private Branch Exchange] · CPC title