JP2006050526A5 - - Google Patents
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- JP2006050526A5 JP2006050526A5 JP2004366912A JP2004366912A JP2006050526A5 JP 2006050526 A5 JP2006050526 A5 JP 2006050526A5 JP 2004366912 A JP2004366912 A JP 2004366912A JP 2004366912 A JP2004366912 A JP 2004366912A JP 2006050526 A5 JP2006050526 A5 JP 2006050526A5
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Claims (51)
第２の通信局は、第１の通信方式で受信可能な第１の解読部と、第２の通信方式で受信可能な第２の解読部で構成されるパケットを送信する、
ことを特徴とする無線通信システム。 A wireless communication system in which there may be a first communication station that operates in the first communication system and a second communication station that can operate in both the first communication system and the second communication system,
The second communication station transmits a packet composed of a first decryption unit that can be received by the first communication method and a second decryption unit that can be received by the second communication method.
A wireless communication system.
パケットを受信した各通信局は、第１の解読部を解読して得られる当該パケット長と当該パケットの伝送レートを基に、パケット長÷伝送レートを算出して当該パケットの受信時間を得る、
ことを特徴とする請求項１に記載の無線通信システム。 The first decoding unit includes information on the packet length and the transmission rate of the packet,
Each communication station that has received the packet calculates the packet length divided by the transmission rate based on the packet length obtained by decoding the first decoding unit and the transmission rate of the packet to obtain the reception time of the packet.
The wireless communication system according to claim 1.
ことを特徴とする請求項２に記載の無線通信システム。 When the second communication station performs the communication procedure by the second communication method, the first communication station indicates the period during which it is desired to stop the communication operation of the other station for the communication procedure by the packet length divided by the transmission rate. Describes information about the packet length and transmission rate that are forged in the decryption unit.
The wireless communication system according to claim 2.
ことを特徴とする請求項２に記載の無線通信システム。 The second communication station that performs packet transmission causes the first communication station that has received the packet to stop the communication operation only during the period until the communication transaction performed by the second communication method is completed. Impersonate the packet length and transmission rate information described in the decryption unit,
The wireless communication system according to claim 2.
ことを特徴とする請求項２に記載の無線通信システム。 The second communication station that performs packet transmission stops the communication operation only during the period until the first communication station that receives the packet finishes ACK transmission in the communication procedure performed by the second communication method. Disguise the packet length and transmission rate information described in the first decryption unit;
The wireless communication system according to claim 2.
ことを特徴とする請求項２に記載の無線通信システム。 When the second communication station performs packet transmission according to a communication procedure for multiplex connection with a plurality of communication stations in the second decoding unit, the first communication station that has received the packet performs time division multiplexing from each partner station. Impersonating the packet length and transmission rate information described in the first decryption unit so as to stop the communication operation only during the period until the ACK transmission to be performed is completed.
The wireless communication system according to claim 2.
ことを特徴とする請求項３乃至６のいずれかに記載の無線通信システム。 The second communication station that performs packet transmission determines whether or not the information of the camouflaged packet length and transmission rate is described in the first decryption unit. The first communication station that can be decrypted but operates in the first communication method is described in the packet in a format that cannot be decrypted.
A wireless communication system according to any one of claims 3 to 6.
ことを特徴とする請求項７に記載の無線通信システム。 The second communication station indicates in the first decryption unit whether or not it has described the information of the spoofed packet length and transmission rate.
The wireless communication system according to claim 7.
ことを特徴とする請求項３乃至６のいずれかに記載の無線通信システム。 When the packet length and transmission rate information in the first decoding unit of the packet received from the other station is impersonating, the second communication station switches to the second communication method and switches the remaining part of the packet. Receive operation,
A wireless communication system according to any one of claims 3 to 6.
パケット送信を行なう第２の通信局は、第２の通信局が解読できる既知の第２の通信方式解読部をパケット内に設け、該第２の通信方式解読部で通信モードを表す、
ことを特徴とする請求項２に記載の無線通信システム。 The second communication method includes a plurality of communication modes,
The second communication station that performs packet transmission provides a known second communication method decoding unit that can be decoded by the second communication station in the packet, and represents the communication mode in the second communication method decoding unit.
The wireless communication system according to claim 2.
ことを特徴とする請求項１０に記載の無線通信システム。 The second communication station that performs packet transmission can decode the second communication method decoding unit, while the second communication station that can operate in the second communication method can decode the first communication method that operates in the first communication method. The station transmits using a communication method that cannot be decoded.
The wireless communication system according to claim 10.
ことを特徴とする請求項１０に記載の無線通信システム。 The second communication station that performs packet transmission arranges the second communication method decryption unit in the packet before the second decryption unit, and in the first decryption unit, is a disguised for the first communication station. When the information on the packet length and the transmission rate is described, the information on the actual packet length and the transmission rate in the second decoding unit is described in the second communication method decoding unit.
The wireless communication system according to claim 10.
ことを特徴とする請求項１２に記載の無線通信システム。 The second communication station that has received the packet performs the reception operation of the second decoding unit based on the information on the packet length and the transmission rate described in the second communication method decoding unit of the received packet.
The wireless communication system according to claim 12.
ことを特徴とする請求項１２に記載の無線通信システム。 The second communication station that has received the packet attempts the reception operation of the second decoding unit based on the information regarding the packet length and the transmission rate described in the second communication method decoding unit of the received packet. If the second decryption unit cannot be decrypted, the time obtained from the spoofed packet length and transmission rate described in the first decryption unit, the packet described in the second communication scheme decryption unit, and Take the difference from the time obtained from the transmission rate, refrain from sending packets for a predetermined time,
The wireless communication system according to claim 12.
ことを特徴とする請求項１１に記載の無線通信システム。 The second communication station that has received the packet decodes the second communication system decoding unit using both the first communication system and the communication system that cannot be decoded by the first communication station. A receiving process of the second decoding unit is performed in accordance with the specified communication mode;
The wireless communication system according to claim 11.
第２の通信局は、同じ通信停止期間を示すパケット長と伝送レートの組み合わせを用いて通信モードを表す、
ことを特徴とする請求項２に記載の無線通信システム。 The second communication method includes a plurality of communication modes,
The second communication station represents a communication mode using a combination of a packet length and a transmission rate indicating the same communication suspension period.
The wireless communication system according to claim 2.
第１の通信方式及び第２の通信方式による無線データをチャネル上で送受信する通信部と、
自局の送信パケットを生成するパケット生成部と、
他局からの受信パケットを解析するパケット解析部と、
通信動作を制御する制御部とを備え、
前記制御部は、送信パケットの第１の解読部を第１の通信方式で送信し、送信パケットの第２の解読部を第２の通信方式で送信する、
ことを特徴とする無線通信装置。 A wireless communication device that operates in a wireless communication environment in which a first communication method and a second communication method may exist ,
A communication unit for transmitting and receiving wireless data on the channel according to the first communication method and the second communication method;
A packet generator for generating a transmission packet of the own station;
A packet analyzer that analyzes received packets from other stations;
A control unit for controlling the communication operation,
The control unit transmits a first decoding unit of the transmission packet by the first communication method, and transmits a second decoding unit of the transmission packet by the second communication method;
A wireless communication apparatus.
ことを特徴とする請求項１７に記載の無線通信装置。 Receiving and analyzing the first decoding unit of the received packet by the first communication method, and receiving and analyzing the second decoding unit of the received packet by the second communication method;
The wireless communication apparatus according to claim 17.
ことを特徴とする請求項１７に記載の無線通信装置。 The packet generation unit describes information on the packet length and the transmission rate of the packet in the first decoding unit.
The wireless communication apparatus according to claim 17.
ことを特徴とする請求項１９に記載の無線通信装置。 When transmitting the second decoding unit by the second communication method, the packet generation unit indicates a period in which it is desired to stop the communication operation of the other station for the communication procedure by packet length / transmission rate, Describe the information of the spoofed packet length and transmission rate in the first decryption unit.
The wireless communication apparatus according to claim 19.
ことを特徴とする請求項１７に記載の無線通信装置。 When the second decryption unit is transmitted by the second communication method, the packet generation unit is a period until the communication transaction performed by the first communication station receiving the packet by the second communication method is completed. Describe the information of the spoofed packet length and transmission rate in the first decryption unit so as to stop the communication operation only,
The wireless communication apparatus according to claim 17.
ことを特徴とする請求項１７に記載の無線通信装置。 When the second decryption unit transmits the second communication method, the packet generation unit ends the ACK transmission in the communication procedure performed by the first communication station that has received the packet by the second communication method. In the first decryption unit, information on the camouflaged packet length and transmission rate is described so that the communication operation is stopped only for the period up to
The wireless communication apparatus according to claim 17.
ことを特徴とする請求項１７に記載の無線通信装置。 When packet transmission is performed by a communication procedure in which a second decoding unit multiplex-connects with a plurality of communication stations, the packet generation unit is configured such that the first communication station that receives the packet receives time-division multiplexing from each partner station. Describe the information of the spoofed packet length and the transmission rate in the first decryption unit so as to stop the communication operation only for the period until the ACK transmission to be performed ends.
The wireless communication apparatus according to claim 17.
ことを特徴とする請求項２０乃至２３のいずれかに記載の無線通信装置。 Although the second communication station operable in the second communication method can decode whether or not the packet generation unit has described the information of the disguised packet length and transmission rate in the first decoding unit, The first communication station that operates in the communication method is described in the packet in a format that cannot be decoded.
24. The wireless communication apparatus according to any one of claims 20 to 23, wherein:
ことを特徴とする請求項２４に記載の無線通信装置。 The packet generation unit indicates in the first decryption unit whether or not information on a camouflaged packet length and transmission rate has been described.
25. The wireless communication apparatus according to claim 24.
ことを特徴とする請求項２０乃至２３のいずれかに記載の無線通信装置。 When the packet analysis unit decodes the first decoding unit of the packet received from the other station, and the packet length and transmission rate information is found to be spoofed, the control unit performs the second communication. Switch to the method and perform the receiving operation for the rest of the packet.
24. The wireless communication apparatus according to any one of claims 20 to 23, wherein:
前記パケット生成部は、第２通信局が解読できる既知の第２の通信方式解読部をパケット内に設け、該第２の通信方式解読部で通信モードを表す、
ことを特徴とする請求項２０乃至２３のいずれかに記載の無線通信装置。 The second communication method includes a plurality of communication modes,
The packet generation unit is provided with a known second communication method decoding unit that can be decoded by the second communication station in the packet, and represents the communication mode in the second communication method decoding unit.
24. The wireless communication apparatus according to any one of claims 20 to 23, wherein:
ことを特徴とする請求項２７に記載の無線通信装置。 The control unit is a communication system that can decode the second communication method decoding unit, but the second communication station that can operate in the second communication method cannot decode the first communication station that operates in the first communication method. Send by,
The wireless communication apparatus according to claim 27.
ことを特徴とする請求項２７に記載の無線通信装置。 The packet generation unit arranges the second communication method decoding unit in the packet before the second decoding unit, and the disguised packet length and transmission rate for the first communication station in the first decoding unit. If the information is described, information on the actual packet length and transmission rate in the second decoding unit is described in the second communication method decoding unit.
The wireless communication apparatus according to claim 27.
ことを特徴とする請求項２９に記載の無線通信装置。 When receiving the packet, the control unit performs the receiving operation of the second decoding unit based on the information on the packet length and the transmission rate described in the second communication scheme decoding unit of the received packet.
30. The wireless communication apparatus according to claim 29.
ことを特徴とする請求項２９に記載の無線通信装置。 When the packet is received, the control unit tries the reception operation of the second decoding unit based on the information about the packet length and the transmission rate described in the second communication method decoding unit of the received packet. If the second decryption unit cannot be decrypted, the time obtained from the spoofed packet length and transmission rate described in the first decryption unit, the packet described in the second communication scheme decryption unit, and Take the difference from the time obtained from the transmission rate, refrain from sending packets for a predetermined time,
30. The wireless communication apparatus according to claim 29.
ことを特徴とする請求項２６に記載の無線通信装置。 When the packet is received, the control unit attempts to decode the second communication method decoding unit in a communication method that cannot be decoded by the first communication station. Receive processing of the decoding part of
27. The wireless communication apparatus according to claim 26.
前記パケット生成部は、送信パケットの第１の解読部において、同じ通信停止期間を示すパケット長と伝送レートの組み合わせを用いて通信モードを表す、
ことを特徴とする請求項２０乃至２３のいずれかに記載の無線通信装置。 The second communication method includes a plurality of communication modes,
The packet generation unit represents a communication mode using a combination of a packet length and a transmission rate indicating the same communication stop period in the first decoding unit of the transmission packet.
24. The wireless communication apparatus according to any one of claims 20 to 23, wherein:
第１の解読部と第２の解読部で構成される送信パケットを生成するパケット生成ステップと、
送信パケットの第１の解読部を第１の通信方式で送信し、送信パケットの第２の解読部を第２の通信方式で送信するパケット送信ステップと、
を具備することを特徴とする無線通信方法。 A wireless communication method for performing a wireless communication operation in a wireless communication environment in which a first communication method and a second communication method may exist ,
A packet generation step of generating a transmission packet composed of a first decoding unit and a second decoding unit;
A packet transmission step of transmitting a first decoding unit of the transmission packet by the first communication method and transmitting a second decoding unit of the transmission packet by the second communication method;
A wireless communication method comprising:
受信パケットの第２の解読部を第２の通信方式で受信及び解析する第２のパケット受信ステップと、
をさらに備えることを特徴とする請求項３４に記載の無線通信方法。 A packet receiving step for receiving and analyzing a first decoding unit of a received packet from another station;
A second packet receiving step of receiving and analyzing the second decoding unit of the received packet by the second communication method;
The wireless communication method according to claim 34, further comprising:
ことを特徴とする請求項３５に記載の無線通信方法。 In the packet generation step, information on the packet length and the transmission rate of the packet is included in the first decryption unit.
36. The wireless communication method according to claim 35.
ことを特徴とする請求項３６に記載の無線通信方法。 In the case where the second decoding unit is transmitted by the second communication method in the packet transmission step, the packet generation step determines the period during which the communication operation of the other station is to be stopped for the communication procedure as packet length / transmission rate. In the first decryption unit, describe the information of the camouflaged packet length and transmission rate as shown in FIG.
The wireless communication method according to claim 36.
ことを特徴とする請求項３６に記載の無線通信方法。 When the second decryption unit is transmitted by the second communication method in the packet transmission step, in the packet generation step, a communication transaction performed by the first communication station receiving the packet by the second communication method is performed. Describe the information of the spoofed packet length and the transmission rate in the first decryption unit so that the communication operation is stopped only for the period until the termination.
The wireless communication method according to claim 36.
ことを特徴とする請求項３６に記載の無線通信方法。 In the case of transmitting the second decoding unit in the packet transmission step by the second communication method, in the packet generation step, in the communication procedure performed by the first communication station that has received the packet by the second communication method. Describe the information of the spoofed packet length and the transmission rate in the first decryption unit so as to stop the communication operation only for the period until the ACK transmission ends.
The wireless communication method according to claim 36.
ことを特徴とする請求項３６に記載の無線通信方法。 In the packet transmission step, when the second decoding unit is transmitted by a communication procedure in which a plurality of communication stations are multiple-connected, in the packet generation step, the first communication station that has received the packet receives a time signal from each partner station. Describe the information of the spoofed packet length and transmission rate in the first decryption unit so as to stop the communication operation only during the period until the ACK transmission performed by the division multiplexing is completed.
The wireless communication method according to claim 36.
ことを特徴とする請求項３７乃至４０のいずれかに記載の無線通信方法。 In the packet transmission step, a signal in the packet indicating whether or not information on a camouflaged packet length and transmission rate is described in the first decoding unit is used as a second communication operable in the second communication method. The first communication station operating in the first communication method transmits in a format that cannot be decoded,
41. The wireless communication method according to any one of claims 37 to 40, wherein:
ことを特徴とする請求項４１に記載の無線通信方法。 In the packet generation step, it is described in the first decryption unit whether or not the information of the camouflaged packet length and transmission rate is described.
42. The wireless communication method according to claim 41, wherein:
ことを特徴とする請求項３７乃至４０のいずれかに記載の無線通信方法。 As a result of decrypting the first decryption unit of the packet received from the other station by the packet reception unit, if the packet length and transmission rate information is found to be spoofed, the second packet reception step Receive the rest of the packet,
41. The wireless communication method according to any one of claims 37 to 40, wherein:
前記パケット生成ステップでは、第２通信局が解読できる既知の第２の通信方式解読部をパケット内に設け、該第２の通信方式解読部で通信モードを表す、
ことを特徴とする請求項３７乃至４０のいずれかに記載の無線通信方法。 The second communication method includes a plurality of communication modes,
In the packet generation step, a known second communication method decoding unit that can be decoded by the second communication station is provided in the packet, and the communication mode is represented by the second communication method decoding unit.
41. The wireless communication method according to any one of claims 37 to 40, wherein:
ことを特徴とする請求項４４に記載の無線通信方法。 In the packet transmission step, the second communication system decoding unit can communicate a second communication station operable in the second communication system but not a first communication station operating in the first communication system. Send by method
45. The wireless communication method according to claim 44, wherein:
ことを特徴とする請求項４４に記載の無線通信方法。 In the packet generation step, a second communication method decoding unit is arranged in the packet before the second decoding unit, and a spoofed packet length and transmission rate for the first communication station in the first decoding unit. If the information is described, information on the actual packet length and transmission rate in the second decoding unit is described in the second communication method decoding unit.
45. The wireless communication method according to claim 44, wherein:
ことを特徴とする請求項４６に記載の無線通信方法。 In the second packet receiving step, the receiving operation of the second decoding unit is performed based on the information on the packet length and the transmission rate described in the second communication scheme decoding unit of the received packet.
The wireless communication method according to claim 46, wherein:
第２の解読部が解読不能であった場合には、第１の解読部内に記載されている偽装的なパケット長及び伝送レートから得られる時間と第２通信方式解読部内に記載されているパケット及び伝送レートから得られる時間との差分をとり、所定の時間パケットの送信を控える、
ことを特徴とする請求項４６に記載の無線通信方法。 In the second packet receiving step, the reception operation of the second decoding unit is attempted based on the information on the packet length and the transmission rate described in the second communication scheme decoding unit of the received packet,
If the second decryption unit cannot decrypt the packet, the time obtained from the spoofed packet length and transmission rate described in the first decryption unit and the packet described in the second communication method decryption unit And take the difference from the time obtained from the transmission rate, refrain from sending packets for a predetermined time,
The wireless communication method according to claim 46, wherein:
ことを特徴とする請求項４４に記載の無線通信方法。 The first communication station tries to decode the second communication method decoding unit in a communication method that cannot be decoded, and if the first communication station can decode the second communication method, the second decoding is performed according to the communication mode obtained in the second packet receiving step. Receive processing
45. The wireless communication method according to claim 44, wherein:
前記パケット生成ステップでは、送信パケットの第１の解読部において、同じ通信停止期間を示すパケット長と伝送レートの組み合わせを用いて通信モードを表す、
ことを特徴とする請求項３７乃至４０のいずれかに記載の無線通信方法。 The second communication method includes a plurality of communication modes,
In the packet generation step, the first decoding unit of the transmission packet represents a communication mode using a combination of a packet length and a transmission rate indicating the same communication stop period.
41. The wireless communication method according to any one of claims 37 to 40, wherein:
第１の解読部と第２の解読部で構成される送信パケットを生成するパケット生成手段と、
送信パケットの第１の解読部を第１の通信方式で送信し、送信パケットの第２の解読部を第２の通信方式で送信するパケット送信手段と、
他局からの受信パケットの第１の解読部を受信及び解析するパケット受信手段と、
受信パケットの第２の解読部を第２の通信方式で受信及び解析する第２のパケット受信手段と、
として機能させるためのコンピュータ・プログラム。 A computer program written in a computer-readable format so that a process for performing a wireless communication operation in a wireless communication environment in which the first communication method and the second communication method may exist is executed on the computer. And said computer
Packet generating means for generating a transmission packet composed of a first decoding unit and a second decoding unit;
A packet transmission means for transmitting a first decoding unit of the transmission packet by the first communication method and transmitting a second decoding unit of the transmission packet by the second communication method;
Packet receiving means for receiving and analyzing a first decryption unit of a received packet from another station;
Second packet receiving means for receiving and analyzing the second decoding unit of the received packet by the second communication method;
Computer program to function as
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| US7953053B2 (en) * | 2004-06-16 | 2011-05-31 | Koninklijke Philips Electronics N.V. | Distributed resource reservation in a wireless adhoc network |
| JP4734970B2 (en) * | 2005-03-09 | 2011-07-27 | ソニー株式会社 | Wireless communication system, wireless communication apparatus, wireless communication method, and computer program |
| JP4762007B2 (en) * | 2006-03-03 | 2011-08-31 | パナソニック株式会社 | Relay device, communication terminal, and communication system |
| JP4697068B2 (en) | 2006-06-27 | 2011-06-08 | ソニー株式会社 | Wireless communication system, wireless communication apparatus, wireless communication method, and computer program |
| JP4888396B2 (en) | 2007-03-05 | 2012-02-29 | ソニー株式会社 | Wireless communication system, wireless communication apparatus, wireless communication method, and computer program |
| JP5197042B2 (en) * | 2008-02-05 | 2013-05-15 | キヤノン株式会社 | Communication apparatus, communication system, and network construction method |
| WO2010018505A2 (en) * | 2008-08-14 | 2010-02-18 | Koninklijke Philips Electronics N.V. | A method for communicating in a network, a system and a primary station therefor |
| JP5146826B2 (en) * | 2008-09-30 | 2013-02-20 | サクサ株式会社 | Method of registering route of slave unit in remote management system and slave unit |
| JP4631956B2 (en) | 2008-10-14 | 2011-02-16 | ソニー株式会社 | Wireless communication apparatus and wireless communication method |
| JP5266474B2 (en) * | 2009-02-25 | 2013-08-21 | 日本電信電話株式会社 | Wireless communication system, relay station apparatus, and wireless communication method |
| JP2010206730A (en) | 2009-03-05 | 2010-09-16 | Sony Corp | Wireless communication apparatus and wireless communication method |
| US8369351B2 (en) * | 2009-04-06 | 2013-02-05 | Intel Corporation | Method and apparatus for collision avoidance |
| JP5625395B2 (en) | 2010-03-03 | 2014-11-19 | ソニー株式会社 | Wireless communication apparatus, wireless communication method, and wireless communication system |
| PL2547002T3 (en) * | 2010-03-12 | 2015-08-31 | Electronics & Telecommunications Res Inst | Method and apparatus for transmitting and receiving data in a mimo system |
| US8743908B2 (en) * | 2010-04-20 | 2014-06-03 | Texas Instruments Incorporated | Coexistence of prime, S-FSK and G3 devices in powerline communications |
| EP2547057A1 (en) * | 2011-07-15 | 2013-01-16 | ST-Ericsson SA | A method for demodulating the HT-SIG field used in WLAN standard |
| JP6057259B2 (en) * | 2011-08-29 | 2017-01-11 | マーベル ワールド トレード リミテッド | System and method |
| US10187813B2 (en) * | 2014-06-25 | 2019-01-22 | Qualcomm Incorporated | Systems and methods for improved protection modes in high-efficiency wireless networks |
| KR102048758B1 (en) * | 2014-11-21 | 2019-11-26 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Information transmission method, apparatus and device |
| JP5840756B2 (en) * | 2014-12-03 | 2016-01-06 | 株式会社東芝 | Wireless communication device |
| JP6486221B2 (en) * | 2015-06-29 | 2019-03-20 | Kddi株式会社 | Wireless communication system, transmitter, wireless communication method, and computer program |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002198974A (en) * | 2000-12-26 | 2002-07-12 | Matsushita Electric Ind Co Ltd | Radio connection device |
-
2004
- 2004-11-17 ES ES10171896.3T patent/ES2493694T3/en active Active
- 2004-11-17 ES ES17185695T patent/ES2714800T3/en active Active
- 2004-11-17 ES ES14165825T patent/ES2698963T3/en active Active
- 2004-12-17 JP JP2004366912A patent/JP4591068B2/en active Active
-
2007
- 2007-12-12 JP JP2007320451A patent/JP4572932B2/en active Active
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