Wireless transmission method and wireless transmission apparatus

• US 6,968,156 B2
• Filed: 08/02/2001
• Issued: 11/22/2005
• Est. Priority Date: 08/02/2000
• Status: Expired due to Fees

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Hiraiwa, Hisaki, Sugaya, Shigeru, Kuroda, Shinichi, Maekawa, Takuji
• Primary Examiner(s): TIEU, BENNY QUOC
• Application Number:
  US09/921,522
• Publication Number:
  US 20020049040A1
• Time in Patent Office: 1,573 Days
• Field of Search: 455/67.11, 455/67.13, 455/67.16, 370/333
• US Class Current: 455/67.11
• CPC Class Codes: H04L 1/0003 by switching between different modulation schemes
• CPC Class Codes: H04L 1/0009 by adapting the channel coding H04L1/1812 takes precedence
• CPC Class Codes: H04L 1/0017 where the mode-switching is based on Quality of Service requirement
• CPC Class Codes: H04W 28/18 Negotiating wireless communication parameters

Abstract

A wireless transmission method is provided in which a wireless network is constructed by a plurality of wireless transmission apparatus, a predetermined wireless transmission band is reserved and data is transmitted by radio. According to the wireless transmission method an allowable transmission error rate can be anticipated, whereby information transmission based on the unnecessary reservation of a wireless transmission band can be removed. In a wireless transmission method in which a wireless network is constructed by a plurality of wireless transmission apparatus, a predetermined wireless transmission band is reserved and data is transmitted by radio, a desired quality in a wireless transmission is selected by an arbitrary wireless transmission apparatus of a plurality of wireless transmission apparatus and a necessary wireless transmission band is reserved.

Claims

1. A wireless transmission method for use with a wireless network comprising a plurality of wireless transmission apparatuses and on which a predetermined wireless transmission band is reserved and a wireless transmission is carried out, the method comprising:

measuring a transmission error occurrence situation by a wireless transmission apparatus acting as a receiving station; and

reporting a transmission error occurrence situation to art arbitrary wireless transmission apparatus among said plurality of wireless transmission apparatuses other than the wireless transmission apparatus acting as said receiving station based on said measured results, wherein a modulation system and a convolutional coding ratio serve as parameters for use in carrying out said wireless transmission, wherein reporting the transmission error occurrence situation includes reporting the transmission error occurrence situation to a wireless transmission apparatus acting as a reserving station of a band reserving transmission among said plurality of wireless transmission apparatuses, the wireless transmission apparatus acting as said reserving station determining the modulation in system and convolutional coding ratio parameters used in carrying out said wireless transmission, and reserving a necessary wireless transmission band.

2. A wireless transmission method for use with a wireless network comprising a plurality of wireless transmission apparatuses and on which a predetermined wireless transmission band is reserved and a wireless transmission is carried out, the method comprising:

measuring a transmission error occurrence, situation by a wireless transmission apparatus acting as a receiving station; and

reporting a transmission error occurrence situation to an arbitrary wireless transmission apparatus among said plurality of wireless transmission apparatuses other than the wireless transmission apparatus acting as said receiving station based on laid measured results, wherein a modulation system and a convolutional coding ratio serve as parameters for use in wireless transmission, wherein reporting the transmission error occurrence situation comprises reporting the transmission error occurrence to a wireless transmission apparatus acting as a control station among said plurality of wireless transmission apparatuses, wherein the wireless transmission apparatus acting as said control station determining the modulation and convolutional coding ratio parameters used in carrying out said wireless transmission, and reserving a necessary wireless transmission band.

3. A wireless transmission method for use with a wireless network comprising a plurality of wireless transmission apparatuses and on which a predetermined wireless transmission band is reserved and a wireless transmission is carried out, the method comprising:

measuring a transmission error occurrence situation by a wireless transmission apparatus acting as a receiving station; and

reporting a transmission error occurrence situation to an arbitrary wireless transmission apparatus among said plurality of wireless transmission apparatuses other than the wireless transmission apparatus acting as said receiving station based on said measured results, wherein a modulation system and a convolutional coding ratio serve ad parameters for use in wireless transmission, wherein reporting the transmission error occurrence situation includes reporting the transmission error occurrence to a wireless transmission apparatus acting as a transmitting station of a band reserving transmission among said plurality of wireless transmission apparatuses, the wireless transmission apparatus acting as said transmitting station determining the modulation and convolutional coding ratio parameters used in carrying out said wireless transmission; and

reserving a necessary wireless transmission band.

4. A wireless transmission method for use on a wireless network constructed from a plurality of wireless transmission apparatus, the method comprising:

reserving a predetermined wireless transmission band;

carrying out a wireless transmission wherein a transmission error occurrence situation is measured by a wireless transmission apparatus acting as a receiving station among said plurality of wireless transmission apparatus, a modulation system and a convolutional coding ratio serving as parameters for use in transmission are determined based on the measured results and wherein an arbitrary wireless transmission apparatus other than the wireless transmission apparatus acting as the receiving station among said plurality of wireless transmission apparatus is informed of the modulation system and the convolutional coding ratio serving as the parameters thus determined; and

reporting said modulation system and said convolutional coding ratio thus determined to a wireless transmission apparatus acting as a reserving station of a band reserve transmission among said plurality of wireless transmission apparatus, and reserving a necessary wireless transmission band by the wireless transmission apparatus acting as the reserving station.

5. A wireless transmission method for use on a wireless network constructed from a plurality of wireless transmission apparatus, the method comprising the steps of:

reserving a predetermined wireless transmission band;

carrying out a wireless transmission wherein a transmission error occurrence situation is measured by a wireless transmission apparatus acting as a receiving station among said plurality of wireless transmission apparatus, a modulation system and a convolutional coding ratio serving as parameters for use in transmission are determined based on the measured results and wherein an arbitrary wireless transmission apparatus other than the wireless transmission apparatus acting as the receiving station among said plurality of wireless transmission apparatus is informed of the modulation system and the convolutional coding ratio serving as the parameters thus determined; and

reporting said modulation system and convolutional coding ratio serving as the parameters thus determined to a wireless transmission apparatus acting as a control station among said plurality of wireless transmission apparatuses, and reserving a necessary wireless transmission band by the wireless transmission apparatus acting as the control station.

6. A wireless transmission method for use on a wireless network constructed from a plurality of wireless transmission apparatus, the method comprising:

reserving a predetermined wireless transmission band;

carrying out a wireless transmission wherein a transmission error occurrence situation is measured by a wireless transmission apparatus acting as a receiving station among said plurality of wireless transmission apparatus, a modulation system and a convolutional coding ratio serving as parameters for use in transmission are determined based on the measured results and wherein an arbitrary wireless transmission apparatus other than the wireless transmission apparatus acting as the receiving station among said plurality of wireless transmission apparatus is informed of the modulation system and the convolutional ratio as the parameters thus determined; and

reporting said modulation system and said convolutional coding ratio serving as the parameters thus determined to a transmitting station of a band reserve transmission among said plurality of wireless transmission apparatuses, and reserving a necessary wireless transmission band by said wireless transmission apparatus acting as the transmitting station.