WO2004054206A1 - 通信システム、無線通信端末及び無線基地局 - Google Patents
通信システム、無線通信端末及び無線基地局 Download PDFInfo
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- WO2004054206A1 WO2004054206A1 PCT/JP2003/015784 JP0315784W WO2004054206A1 WO 2004054206 A1 WO2004054206 A1 WO 2004054206A1 JP 0315784 W JP0315784 W JP 0315784W WO 2004054206 A1 WO2004054206 A1 WO 2004054206A1
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- Prior art keywords
- base station
- wireless
- wireless communication
- communication terminal
- communication
- Prior art date
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- 238000004891 communication Methods 0.000 title claims abstract description 500
- 230000005540 biological transmission Effects 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 description 14
- 238000011144 upstream manufacturing Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 238000012545 processing Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 4
- 238000012790 confirmation Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- JQEHQELQPPKXRR-LLVKDONJSA-N (2r)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetic acid Chemical compound O=C1C(=O)N(CC)CCN1C(=O)N[C@@H](C(O)=O)C1=CC=CC=C1 JQEHQELQPPKXRR-LLVKDONJSA-N 0.000 description 1
- OYYYPYWQLRODNN-UHFFFAOYSA-N [hydroxy(3-methylbut-3-enoxy)phosphoryl]methylphosphonic acid Chemical compound CC(=C)CCOP(O)(=O)CP(O)(O)=O OYYYPYWQLRODNN-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/22—Negotiating communication rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0215—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Definitions
- the present invention relates to wireless communication for performing data communication, and more particularly to a wireless communication system capable of changing a transmission rate in a wireless section.
- VoIP IP telephony
- TV conferences are expected to distribute bidirectional data that requires large amounts of data and requires real-time performance.
- a radio base station transmits a bucket to each communication terminal accommodated in its own coverage area, and each communication terminal transmits downlink packet quality (for example, based on a pilot signal included in a reception bucket).
- Measure CIR desired wave to interference wave ratio
- Each communication terminal selects a communication mode capable of performing high-speed bucket communication most efficiently in the measured line quality, and transmits DRC information (Data Rate Control signal) indicating the selected communication mode to the radio base station.
- DRC information Data Rate Control signal
- the radio base station refers to the DRC information transmitted from each communication terminal, and preferentially allocates communication resources from communication terminals having good channel quality.
- the time required for communication can be shortened, and data is transmitted at a low transmission rate to communication terminals with poor line quality, so that error resilience can be improved.
- the upstream (in the direction from the wireless communication terminal to the wireless base station) communication speed in the 1XEVDO system is determined and controlled according to the state of the wireless communication terminal and the wireless base station.
- the uplink communication speed of 1 XEVD ⁇ is selected from among 9.6 kbps, 19.2 kbps, 38.4 kbps, 76.8 kbps, and 153.6 kbps.
- This value is updated by the maximum communication speed information included in the broadcast information notified from the radio base station.
- the communication speed from the wireless communication terminal is 9.6 kbps according to the maximum communication speed.
- the wireless communication terminal After the start of communication, the wireless communication terminal performs a communication speed update test at a fixed cycle within the range of the maximum communication speed information notified from the wireless base station.
- the wireless base station currently communicating allows the communication speed to increase, the current communication speed should be maintained or shifted to the next higher communication speed according to the result of the communication speed update test. Can be.
- the wireless base station does not allow the communication speed to increase, the current communication speed can be maintained or the communication speed can be shifted one step lower, depending on the result of the communication speed update test.
- FIG. 9 shows an example in which the communication speed of the wireless communication terminal is changed according to the algorithm described above.
- the upstream communication speed is also 9.6 kbps.
- broadcast information from the wireless base station is received, and the maximum communication speed of the wireless communication terminal is updated to 153.6 kbps, but the current communication speed is maintained until the next update timing.
- the transmission speed is 19.2kbps, which is the next speed after 9.6kbps.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-171123
- the above-described method of determining the upstream communication speed starts communication at the lowest communication speed and gradually increases the communication speed. It is.
- the application runs from the start of the connection until it reaches 64 kbps or more (until it reaches 76.8 kbp). It will not be available.
- FIG. 10 shows a data communication sequence in this conventional communication system.
- an application installed in a wireless communication terminal requests a connection to a wireless communication terminal (AT: AccessTerminal)
- the wireless communication terminal requests a connection to a wireless base station (AP: AccessPoint).
- AT AccessTerminal
- AP AccessPoint
- the application transmits data to the server (Serv).
- the application since the initial value of the upstream communication speed of the wireless communication line between the wireless communication terminal and the wireless base station is set to 9.6 kbps, the application communicates with the wireless communication terminal Data transmitted via the wireless base station cannot be decoded by the server, and the application cannot operate normally.
- the application that requires a communication speed of 64 kbps or more can decode the data sent from the application on the server, and the application operates normally To start.
- the 1XEVDO system based on the results of the communication speed update test, it is probabilistically selected whether to shift to a communication speed that is one level faster than the current communication speed.
- An object of the present invention is to provide a communication system capable of promptly improving an uplink communication speed from the start of communication and enabling an application to be used promptly.
- a first invention is a communication system configured by a wireless base station and a wireless communication terminal in which a wireless communication line is set between the wireless base station,
- the wireless base station includes a wireless base station communication speed notifying unit that notifies the wireless communication terminal of a communication speed that the wireless base station can support in a wireless communication line from the wireless communication terminal to the wireless base station,
- the wireless communication terminal in a wireless communication line from the wireless communication terminal to the wireless base station, storage means for storing a communication speed required by the wireless communication terminal; a communication speed notified from the wireless base station; Communication speed stored in the storage means And determining a communication speed in the wireless communication line from the wireless communication terminal to the wireless base station based on the result of the comparison (e.g., selecting a low communication speed to determine the communication speed).
- a second invention is a communication system including a wireless base station and a wireless communication terminal in which a wireless communication line is set between the wireless base station,
- the wireless communication terminal needs the wireless communication terminal in a wireless communication line from the wireless communication terminal to the wireless base station.
- Terminal communication speed notifying means for notifying the wireless base station of the communication speed to be used
- communication speed determining means for determining the communication speed of the wireless communication terminal to the wireless base station in the wireless communication line.
- the wireless base station includes: a determination unit configured to determine whether or not the wireless base station can cope with the communication speed notified from the wireless communication terminal; and a determination result notification unit configured to notify the wireless communication terminal of a determination result obtained by the determination unit. And a communication speed determining unit that determines a communication speed in a wireless communication line from the wireless communication terminal to the wireless base station based on a determination result notified from the wireless base station.
- the wireless communication terminal requires the wireless communication terminal in a wireless communication line from the wireless communication terminal to the wireless base station when the wireless communication terminal is powered on. Notifying the wireless base station of the communication speed to be performed, and determining the communication speed in the wireless communication line from the wireless communication terminal to the wireless base station based on the determination result notified from the wireless base station. I do.
- the terminal communication speed notifying means includes a communication speed required by the wireless communication terminal in a wireless communication line from the wireless communication terminal to the wireless base station. It is characterized by being included in a status information request message (for example, Configuration Request) to the radio base station and notified.
- the wireless communication terminal is lower than a communication speed required by the wireless communication terminal when a determination result from the wireless base station is incompatible.
- a request communication speed transmission means for retransmitting the request for the communication speed is provided.
- a sixth invention is a wireless communication terminal in which a wireless communication line is set between the wireless communication terminal and the wireless base station. Storage means for storing a communication speed; and a communication speed for receiving a communication speed supported by the wireless base station in a wireless communication line from the wireless communication terminal to the wireless base station, notified from the wireless base station.
- Communication speed determining means for example, selecting a low speed to determine the communication speed.
- a seventh invention is a wireless communication terminal in which a wireless communication line is set up with a wireless base station, wherein the wireless base station and the wireless communication terminal exchange state information with each other, for example, A communication speed required by the wireless communication terminal in a wireless communication line from the wireless communication terminal to the wireless base station, a terminal communication speed notifying unit for notifying the wireless base station; Communication speed determining means for determining a communication speed in a wireless communication line from the wireless communication terminal to the wireless base station based on a result of determining whether or not the notified communication speed can be supported.
- a wireless communication line from the wireless communication terminal to the wireless base station sets a communication speed required by the wireless communication terminal to the wireless communication terminal.
- the terminal communication speed notifying means comprises: a communication speed required by the wireless communication terminal in a wireless communication line from the wireless communication terminal to the wireless base station; It is characterized by being included in a status information request message (for example, Configuration Request) to the radio base station and notified.
- a status information request message for example, Configuration Request
- An eleventh invention is a radio base station that establishes a radio communication line with a radio communication terminal to perform communication, wherein the radio base station transmits a radio signal from the radio communication terminal to the radio base station.
- a wireless base station communication speed notifying means for notifying the wireless communication terminal of a communication speed that the wireless base station can support in a communication line.
- FIG. 1 is a block diagram illustrating a configuration of a wireless communication system according to an embodiment of the present invention.
- FIG. 2 is a sequence diagram of the communication system according to the first exemplary embodiment of the present invention.
- FIG. 3 is an explanatory diagram of the contents of Access Parameters according to the first embodiment of this invention.
- FIG. 4 is an explanatory diagram of the contents of Access Parameters according to the first embodiment of this invention.
- FIG. 5 is an explanatory diagram of the contents of ReverseTrafficChannel Start (uplink speed information) according to the first embodiment of this invention.
- FIG. 6 is a sequence diagram of the communication system according to the second exemplary embodiment of the present invention.
- FIG. 7 is an explanatory diagram of the content of the Configuration Response according to the second embodiment of this invention.
- FIG. 8 is a flowchart of the communication speed determination process according to the embodiment of the present invention.
- FIG. 9 is an explanatory diagram of a change in uplink communication speed according to the embodiment of the present invention.
- FIG. 10 is a sequence diagram of a conventional communication system. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a block diagram illustrating a configuration of a wireless communication system according to an embodiment of the present invention.
- the wireless communication terminal 10 is connected to the server 20 via the wireless base station 30.
- the wireless communication terminal 10 transmits and receives data that requires real-time properties between the wireless communication terminal 10 and the server 20. Both the wireless communication terminal 10 and the server 20 use IP phones or streamers. Running applications that require real-time performance such as streaming.
- the wireless communication terminal 10 is a mobile phone compatible with data communication, a PDA (Personal Digital Assistants), a computer device with a built-in wireless communication device, and the like.
- the wireless communication terminal 10 has an antenna 11 for receiving a radio wave (downlink signal) from the radio base station 30 and transmitting a radio wave (uplink signal) to the radio base station 30.
- the antenna 11 is connected to the radio section 12.
- the radio section 12 includes a transmitting section and a receiving section.
- the transmitting section generates a high-frequency signal to be transmitted from the antenna 11, and the receiving section performs amplification, frequency conversion, and the like on the high-frequency signal received by the antenna 11. Then, it is output to the transmitting / receiving section 13 as a baseband signal.
- the transmission / reception unit 13 includes a modulation / demodulation circuit and a CODEC unit, and demodulates the baseband signal using the demodulation circuit.
- the demodulated signal is sent to the CODEC section, where it is decoded into a data signal.
- the CODEC section encodes the data signal, and the encoded signal is sent to the modulation / demodulation circuit and modulated.
- the modulated signal is converted into a high-frequency signal by the radio unit (transmitting unit) 13 and transmitted from the antenna 11.
- the data processed by the transmission / reception unit 13 is sent to the application processing unit 14.
- a program such as an IP telephone that requires real-time operation is operating.
- the data processed by the transmission / reception unit 13 is processed in real time and sent to the voice input / output unit 15. Output as audio signal.
- the audio signal input to the audio input / output unit 15 is processed in real time by a program running on the application processing unit 14 and sent to the transmission / reception unit 13, and transmitted to the server via the wireless unit 12 and the antenna 11. Sent to 20.
- the control unit 17 controls each unit of the wireless communication terminal 10 such as the wireless unit 12 and the transmission / reception unit 13. Specifically, the transmission / reception frequency and transmission / reception timing are controlled by designating a channel to the radio section 12.
- the wireless communication terminal 10 In addition, according to a predetermined communication protocol, it generates various control signals for setting, releasing, and registering a wireless communication line between the wireless communication terminal 10 and the wireless base station 30 and controls transmission and reception of these signals. .
- the wireless communication terminal 10 since the wireless communication network is a 1 XEVDO network, the wireless communication terminal 10 receives a signal (for example, a pilot signal, a control packet, etc.) transmitted from the wireless base station 30. Based on the obtained CIR, DRC information, which is a signal indicating a communication mode selected as capable of performing efficient data communication, is transmitted to the wireless base station 30 as wireless communication line quality information.
- a signal for example, a pilot signal, a control packet, etc.
- DRC information which is a signal indicating a communication mode selected as capable of performing efficient data communication
- the transmission rate of the wireless communication line (uplink) to the wireless base station 30 is determined according to the state of the wireless communication terminal 10 and the wireless base station 30.
- the radio base station 30 has an antenna 31 connected to the radio section, receives a radio wave (uplink signal) from the radio communication terminal 10, and transmits a radio wave (downlink) to the radio communication terminal 10. Signal).
- the radio section is composed of a transmitting section and a receiving section.
- the transmitting section generates a high-frequency signal to be transmitted from the antenna 31, and the receiving section amplifies and converts the frequency of the high-frequency signal received by the antenna 31 to a baseband.
- the signal is output to the transmission / reception unit.
- the transmission / reception section includes a modulation / demodulation circuit and a CODEC section, and demodulates the baseband signal by the modulation / demodulation circuit.
- the demodulated signal is sent to the CODEC section, where it is decoded into a data signal.
- the CODEC section encodes the data signal, and the encoded signal is sent to the modem section and modulated.
- the modulated signal is converted into a high-frequency signal by the transmission unit and transmitted from the antenna 31.
- An interface unit is connected to the transmission / reception unit, and the wireless base station 30 is connected to a network such as the Internet via the interface unit.
- the radio base station 30 includes a control unit that controls each unit (the radio unit, the transmission / reception unit, the interface unit, and the like) of the radio base station 30.
- this control unit specifies a channel for the radio unit and controls the transmission / reception frequency and transmission / reception timing.
- the connection control unit controls the connection permission / prohibition and the number of connections of the wireless communication terminal.
- each client is determined based on the quality information of the wireless communication line transmitted from the wireless communication terminal 10 and the number of connected wireless communication terminals.
- the bandwidth of the data communication to be allocated to the wireless communication terminal 10 is determined, and the transmission rate of the wireless communication line (downlink) for each wireless communication terminal 10 is determined.
- the server 20 is a communication partner device of the wireless communication terminal 10, and a program corresponding to an application program operated by the wireless communication terminal 10 is running.
- Data sent from the wireless base station 30 via the interface unit is sent to the ablation processing unit 24.
- a program that requires real-time performance such as an IP telephone is operating.
- the data transmitted from the wireless base station 30 is processed in real time and sent to the voice input / output unit 25. Output as audio signal.
- the audio signal input to the audio input / output unit 25 is processed in real time by a program operating in the application processing unit 24, sent to the radio base station 30 and transmitted to the radio communication terminal 30 via the radio base station 30. Sent to 10
- FIG. 2 is a sequence diagram of the communication system according to the first embodiment of the present invention, and shows processing at the start of communication.
- the wireless communication terminal (AT: Access Terminal) 10 receives 1 Access Parameters transmitted from the wireless base station (AP: Access Point) 30 at a predetermined timing.
- This access parameter includes information on the state of the radio base station (function of the radio base station, congestion state of the line, etc.).
- the wireless communication terminal that has received the access parameter refers to upstream communication speed information that can be supported by the wireless base station included in the access parameter, and performs uplink communication. Set the speed at the required communication speed within the range that the wireless communication terminal can support.
- the operating application selects an uplink communication speed in the range up to 153.6 kbps.
- connection request When a connection request is made to the wireless communication terminal from an application program (A pp) installed in the wireless communication terminal and operating in the application processing unit 14 of the wireless communication terminal, the wireless communication terminal connects to the wireless base station. Request (Connection Request) is sent.
- the wireless base station specifies a communication channel (Traffic Channel).
- the wireless communication terminal sets the communication channel, transmits a response signal (Traffic Channel Complete), and establishes the communication channel.
- the wireless communication terminal requests a communication port in the communication channel (Xon Request), and the wireless base station designates the communication port (Xon Response) and selects a communication port.
- this application requires a communication speed of 64 kbps, so the application sends data at a speed of 64 kbps to the wireless communication terminal.
- the wireless communication terminal transmits data at a rate of 76.8 kbps to the wireless base station.
- This uplink data rate is described in the header portion of the data packet transmitted from the wireless communication terminal to the wireless base station, and receives the data packet from the wireless communication terminal.
- the wireless base station that has received the packet can know the transmission rate of the packet by referring to the header of the data packet.
- the wireless base station sends data to the server at a rate of 76.8 kbps.
- the application processing section 24 of the server is running an application program that requires a communication speed of 64 kbps, and data is sent from the wireless communication terminal at a communication speed of 76.8 kbps. And the application can operate normally.
- FIGS. 3 and 4 show the contents of the access parameters according to the first embodiment of the present invention.
- the access parameters include a message ID (Message ID), a transaction ID (Transaction ID), and an attribute record area (Attribute Record).
- the attribute record area includes an attribute record area length (Length), an attribute ID (Attribute ID), and uplink line speed information (ReverseTrafficChannelStart). Is notified.
- FIG. 5 shows uplink speed information according to the first embodiment of the present invention.
- Codes are defined for the uplink communication speeds (9.6 kbps, 19.2 kbps, 38.4 kbps, 76.8 kbps, 153.6 kbps) that can be taken by the 1 X EVDO system.
- the wireless communication terminal 10 that has received the control message including ReverseTrafficChannelStart can obtain uplink communication speed information that the wireless base station 30 can handle.
- FIG. 6 is a sequence diagram of the communication system according to the second embodiment of the present invention, and shows processing when the power of the wireless communication terminal is turned on.
- the wireless communication terminal (AT: Access Terminal) 10 transmits a connection request (Connectkto Request) to the wireless base station.
- the wireless base station specifies a communication channel (Traffic Channel). Assignment), the wireless communication terminal sets the communication channel, transmits a response signal (Traffic Channel Complete), and establishes the communication channel.
- a communication channel (Traffic Channel). Assignment)
- the wireless communication terminal sets the communication channel, transmits a response signal (Traffic Channel Complete), and establishes the communication channel.
- the wireless communication terminal transmits (Configuration Response) information for notifying information on the state of the wireless communication terminal (functions of the wireless communication terminal, etc.), and requests information on the state of the wireless base station (Configuration Request). ).
- the radio base station reports information on the status of the radio base station (function of the radio base station, line congestion state, etc.) (Configuration Response).
- the wireless communication terminal that has received the Configuration Response sends a confirmation signal (Configuration Complete), and the wireless base station also sends a confirmation signal (Configuration Complete).
- the wireless communication terminal When the wireless communication terminal receives Configuration Complete, the exchange of state information (parameters) between the wireless communication terminal and the wireless base station has been completed, and the wireless communication terminal transmits a Connection Close signal to disconnect the line.
- the wireless communication terminal that has received the Configuration Response sets the uplink communication speed requested by the Configuration Request if the information indicates that the Configuration Response is compatible. For example,
- the upstream communication speed is selected within the range up to 153.6 kbps depending on the operating application.
- the wireless communication terminal When an application (A pp) 14 installed in the wireless communication terminal and operating on the wireless communication terminal receives a connection request from the wireless communication terminal, the wireless communication terminal requests a connection to the wireless base station (Connection Request). ) Is sent.
- the wireless base station specifies a communication channel (Traffic Channel).
- the wireless communication terminal sets the communication channel, transmits a response signal (Traffic Channel Complete), and establishes the communication channel.
- the wireless communication terminal requests a communication port in the communication channel (Xon Request), and the wireless base station designates the communication port (Xon Response) and selects a communication port.
- LCP Configuration is used to perform user authentication and authentication at the data link layer, and SN Authentication IPCP Configuration is performed at the network layer.
- the communication function is set, the PPP (Point to Point Protocol) is set, and the communication between the application and the server (Serv) 20 is established.
- PPP Point to Point Protocol
- this application requires a communication speed of 64 kbps, so the application sends data at a speed of 64 kbps to the wireless communication terminal.
- the wireless communication terminal transmits data at a rate of 76.8 kbps to the wireless base station.
- the data rate of this uplink is described in the header portion of the data packet transmitted from the wireless communication terminal to the wireless base station, and the wireless base station receiving the data bucket from the wireless communication terminal transmits the data packet header.
- the transmission rate of the packet can be known.
- the wireless base station sends data to the server at a rate of 76.8 kbps.
- the server runs an application program that requires a communication speed of 64 kbps, and data is sent from the wireless communication terminal at a communication speed of 76.8 kbps. Can operate normally.
- FIG. 7 shows the contents of the Configuration Response according to the second embodiment of the present invention.
- the Configuration Response transmitted as the base station status information has an area in which information indicating the status of the wireless base station is described following the message ID (Message ID).
- FIG. 8 is a flowchart of the communication speed determination process according to the embodiment of the present invention.
- the radio communication terminal 10 receives the broadcast message and extracts RTCStartRateChangeEnabled (information on whether or not uplink speed information is included) and ReverseTrafficChannelStart (uplink speed information) included in the broadcast message ( S 1 0 1).
- the initial value of the uplink communication speed is set to the lowest value of 9.6 kbps (S103).
- the initial value of the uplink communication speed is set to the value specified by ReverseTrafficChannelStart (S105).
- the initial value of the uplink communication speed is set to the communication speed required by the wireless communication terminal 10 (S106) .
- the present invention it is possible to transmit data at a high uplink communication speed (for example, 76.8 kbps) from the beginning of communication, and to use an application program that requires a high communication speed from the start of communication. it can. Also, by changing the start speed of the uplink data communication, unnecessary data is not transmitted, so that the throughput of the entire system can be improved.
- a high uplink communication speed for example, 76.8 kbps
- the upstream communication speed can be determined in advance before starting communication, and the use of the application can be started quickly.
- the sequence for determining the uplink communication speed is not complicated.
- the uplink communication speed can be determined by the wireless communication terminal, and the uplink communication speed is not set at a speed at which an application operating on the wireless communication terminal cannot be used.
- the uplink communication speed can be determined under the initiative of the wireless communication terminal, and the burden on the wireless base station can be reduced.
Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/538,262 US8260284B2 (en) | 2002-12-10 | 2003-12-10 | Communication system radio communication terminal, and radio base station |
US13/557,030 US20120287892A1 (en) | 2002-12-10 | 2012-07-24 | Communication System Radio Communication Terminal, and Radio Base Station |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2002357977A JP4054253B2 (ja) | 2002-12-10 | 2002-12-10 | 通信システム、無線通信端末及び無線基地局 |
JP2002-357977 | 2002-12-10 |
Related Child Applications (1)
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US13/557,030 Continuation US20120287892A1 (en) | 2002-12-10 | 2012-07-24 | Communication System Radio Communication Terminal, and Radio Base Station |
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WO2004054206A1 true WO2004054206A1 (ja) | 2004-06-24 |
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PCT/JP2003/015784 WO2004054206A1 (ja) | 2002-12-10 | 2003-12-10 | 通信システム、無線通信端末及び無線基地局 |
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US (2) | US8260284B2 (ja) |
JP (1) | JP4054253B2 (ja) |
KR (1) | KR100785540B1 (ja) |
CN (1) | CN1723676A (ja) |
WO (1) | WO2004054206A1 (ja) |
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WO2007051191A1 (en) * | 2005-10-27 | 2007-05-03 | Qualcomm Incorporated | In-band rate control for an orthogonal frequency division multiple access communication system |
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US8199661B2 (en) | 2005-10-27 | 2012-06-12 | Qualcomm Incorporated | Method and apparatus for processing supplemental and non supplemental assignments |
US8238289B2 (en) | 2005-10-27 | 2012-08-07 | Qualcomm Incorporated | Method and apparatus for requesting selected interlace mode in wireless communication systems |
US8457092B2 (en) | 2005-06-16 | 2013-06-04 | Qualcomm Incorporated | Quick paging channel with reduced probability of missed page |
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Publication number | Priority date | Publication date | Assignee | Title |
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US7596115B1 (en) * | 2004-09-22 | 2009-09-29 | Nortel Networks Limited | Establishing a session in a packet-switched wireless communications network |
US20080075006A1 (en) * | 2005-01-20 | 2008-03-27 | Nec Corporation | Wireless Resource Allocating System, Wireless Control Station, Wireless Resource Allocating Method For Use Therein, And Its Program |
JP4640580B2 (ja) * | 2005-02-08 | 2011-03-02 | レシップホールディングス株式会社 | 点灯制御システム |
US8306541B2 (en) | 2005-03-08 | 2012-11-06 | Qualcomm Incorporated | Data rate methods and apparatus |
US7974253B2 (en) * | 2005-03-08 | 2011-07-05 | Qualcomm Incorporated | Methods and apparatus for implementing and using a rate indicator |
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US8315240B2 (en) * | 2005-07-20 | 2012-11-20 | Qualcomm Incorporated | Enhanced uplink rate indicator |
KR100655939B1 (ko) * | 2005-11-22 | 2006-12-11 | 삼성전자주식회사 | 자원 할당 시스템 및 방법 그리고 그에 적용되는 사용자단말장치 |
JP4721883B2 (ja) * | 2005-11-28 | 2011-07-13 | 京セラ株式会社 | 無線通信端末および無線通信方法 |
JP4711821B2 (ja) * | 2005-12-20 | 2011-06-29 | 京セラ株式会社 | 無線通信端末および無線通信方法 |
JP4936711B2 (ja) * | 2005-11-28 | 2012-05-23 | 京セラ株式会社 | 無線基地局、無線通信端末および無線通信システム |
US8189621B2 (en) | 2006-05-12 | 2012-05-29 | Microsoft Corporation | Stack signaling to application with lack of requested bandwidth |
US8144793B2 (en) | 2006-12-12 | 2012-03-27 | Microsoft Corporation | Cognitive multi-user OFDMA |
US7929623B2 (en) | 2007-03-30 | 2011-04-19 | Microsoft Corporation | FEC in cognitive multi-user OFDMA |
US7970085B2 (en) | 2007-05-08 | 2011-06-28 | Microsoft Corporation | OFDM transmission and reception for non-OFDMA signals |
US20090059872A1 (en) * | 2007-08-31 | 2009-03-05 | Symbol Technologies, Inc. | Wireless dynamic rate adaptation algorithm |
US8374130B2 (en) | 2008-01-25 | 2013-02-12 | Microsoft Corporation | Orthogonal frequency division multiple access with carrier sense |
JP2011041330A (ja) * | 2010-11-24 | 2011-02-24 | Kyocera Corp | 無線基地局及びその制御方法 |
US9282508B2 (en) | 2010-12-29 | 2016-03-08 | Telefonaktiebolaget L M Ericsson (Publ) | Rate optimized power consumption in micro wave radio links |
JP2011234422A (ja) * | 2011-08-24 | 2011-11-17 | Kyocera Corp | 無線基地局および制御方法 |
CN111526607B (zh) * | 2020-04-14 | 2022-07-08 | 北京小米移动软件有限公司 | 通信数据的处理方法及装置、终端设备和存储介质 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11308653A (ja) * | 1998-04-21 | 1999-11-05 | Kyocera Corp | 移動体通信システムにおける待ち受け処理方式 |
JP2002199438A (ja) * | 2000-12-26 | 2002-07-12 | Hitachi Kokusai Electric Inc | 無線通信端末及び無線通信システム |
JP3334753B2 (ja) * | 1999-06-15 | 2002-10-15 | 日本電気株式会社 | 移動端末、移動通信システム、及び移動端末の消費電力抑制方法 |
JP3362119B2 (ja) * | 1998-03-02 | 2003-01-07 | 株式会社エヌ・ティ・ティ・ドコモ | 移動局、無線基地局及び移動局の制御方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69739331D1 (de) * | 1997-12-10 | 2009-05-07 | Mitsubishi Electric Corp | Übertragungsleistung und Datenraten basierte Kommunikations-Kontrollmethode in einem Mobilfunksystem |
JP2000101580A (ja) | 1998-09-21 | 2000-04-07 | Canon Inc | 無線通信装置及びその通信方法 |
JP2000152337A (ja) | 1998-11-09 | 2000-05-30 | Canon Inc | 無線通信端末装置、無線通信方法、及び記憶媒体 |
JP2001308956A (ja) | 2000-04-20 | 2001-11-02 | Ntt Docomo Inc | 通信装置および通信方法 |
US6701129B1 (en) * | 2000-09-27 | 2004-03-02 | Nortel Networks Limited | Receiver based adaptive modulation scheme |
JP3691383B2 (ja) | 2000-11-29 | 2005-09-07 | 松下電器産業株式会社 | 無線通信システム、並びにそのシステムに収容された基地局装置および通信端末 |
US6845245B2 (en) * | 2000-12-22 | 2005-01-18 | Denso Corporation | Access parameter adaptation and packet data resource management using detailed mobile status information |
JP2002204470A (ja) | 2000-12-28 | 2002-07-19 | Mitsubishi Electric Corp | 無線通信システム、無線通信システムの通信制御方法及びその管理方法 |
US6959171B2 (en) * | 2002-02-28 | 2005-10-25 | Intel Corporation | Data transmission rate control |
-
2002
- 2002-12-10 JP JP2002357977A patent/JP4054253B2/ja not_active Expired - Lifetime
-
2003
- 2003-12-10 US US10/538,262 patent/US8260284B2/en not_active Expired - Lifetime
- 2003-12-10 CN CNA2003801055660A patent/CN1723676A/zh active Pending
- 2003-12-10 KR KR1020057010616A patent/KR100785540B1/ko active IP Right Grant
- 2003-12-10 WO PCT/JP2003/015784 patent/WO2004054206A1/ja active Application Filing
-
2012
- 2012-07-24 US US13/557,030 patent/US20120287892A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3362119B2 (ja) * | 1998-03-02 | 2003-01-07 | 株式会社エヌ・ティ・ティ・ドコモ | 移動局、無線基地局及び移動局の制御方法 |
JPH11308653A (ja) * | 1998-04-21 | 1999-11-05 | Kyocera Corp | 移動体通信システムにおける待ち受け処理方式 |
JP3334753B2 (ja) * | 1999-06-15 | 2002-10-15 | 日本電気株式会社 | 移動端末、移動通信システム、及び移動端末の消費電力抑制方法 |
JP2002199438A (ja) * | 2000-12-26 | 2002-07-12 | Hitachi Kokusai Electric Inc | 無線通信端末及び無線通信システム |
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US8761080B2 (en) | 2005-03-15 | 2014-06-24 | Qualcomm Incorporated | Multiple other sector information combining for power control in a wireless communication system |
US8457092B2 (en) | 2005-06-16 | 2013-06-04 | Qualcomm Incorporated | Quick paging channel with reduced probability of missed page |
US9055552B2 (en) | 2005-06-16 | 2015-06-09 | Qualcomm Incorporated | Quick paging channel with reduced probability of missed page |
US8750908B2 (en) | 2005-06-16 | 2014-06-10 | Qualcomm Incorporated | Quick paging channel with reduced probability of missed page |
US8331285B2 (en) | 2005-10-27 | 2012-12-11 | Qualcomm Incorporated | Method and apparatus of establishing access channel in wireless communication systems |
US8477808B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Method and apparatus of assigning in wireless communication systems |
US8238289B2 (en) | 2005-10-27 | 2012-08-07 | Qualcomm Incorporated | Method and apparatus for requesting selected interlace mode in wireless communication systems |
US8248950B2 (en) | 2005-10-27 | 2012-08-21 | Qualcomm Incorporated | Method of transmitting and receiving a redirect message in a wireless communication system |
US8265066B2 (en) | 2005-10-27 | 2012-09-11 | Qualcomm Incorporated | Method and apparatus for reducing power consumption in wireless communication systems |
US8289908B2 (en) | 2005-10-27 | 2012-10-16 | Qualcomm Incorporated | Method and apparatus for processing simultaneous assignment in wireless communication systems |
US8289897B2 (en) | 2005-10-27 | 2012-10-16 | Qualcomm Incorporated | Method and apparatus for processing open state in wireless communication system |
US8326330B2 (en) | 2005-10-27 | 2012-12-04 | Qualcomm Incorporated | Method and apparatus for updating configuration attributes using FastRepage attribute in wireless communication systems |
WO2007051191A1 (en) * | 2005-10-27 | 2007-05-03 | Qualcomm Incorporated | In-band rate control for an orthogonal frequency division multiple access communication system |
US8457042B2 (en) | 2005-10-27 | 2013-06-04 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving a sectorparameters message in an active state in wireless communication system |
US8218479B2 (en) | 2005-10-27 | 2012-07-10 | Qualcomm Incorporated | Method and apparatus for processing a multi-code word assignment in wireless communication systems |
US9125078B2 (en) | 2005-10-27 | 2015-09-01 | Qualcomm Incorporated | Method and apparatus for setting reverse link CQI reporting modes in wireless communication system |
US8520628B2 (en) | 2005-10-27 | 2013-08-27 | Qualcomm Incorporated | Method and apparatus for monitoring other channel interference in wireless communication system |
US8599712B2 (en) | 2005-10-27 | 2013-12-03 | Qualcomm Incorporated | Method and apparatus for setting reverse link CQI reporting modes in wireless communication system |
US8675549B2 (en) | 2005-10-27 | 2014-03-18 | Qualcomm Incorporated | Method of serving sector maintenance in a wireless communication systems |
US8744444B2 (en) | 2005-10-27 | 2014-06-03 | Qualcomm Incorporated | Method and apparatus for transmitting a pilot report (PilotReport) message in wireless communication systems |
US8199661B2 (en) | 2005-10-27 | 2012-06-12 | Qualcomm Incorporated | Method and apparatus for processing supplemental and non supplemental assignments |
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US8923211B2 (en) | 2005-10-27 | 2014-12-30 | Qualcomm Incorporated | Method and apparatus of processing an access grant block in wireless communication systems |
US8971222B2 (en) | 2005-10-27 | 2015-03-03 | Qualcomm Incorporated | Method and apparatus for decrementing assignments in wireless communication systems |
CN102291783A (zh) * | 2005-11-28 | 2011-12-21 | 京瓷株式会社 | 无线基站、无线通信终端、无线通信系统和无线通信方法 |
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Also Published As
Publication number | Publication date |
---|---|
US8260284B2 (en) | 2012-09-04 |
CN1723676A (zh) | 2006-01-18 |
JP2004193854A (ja) | 2004-07-08 |
US20120287892A1 (en) | 2012-11-15 |
KR100785540B1 (ko) | 2007-12-12 |
JP4054253B2 (ja) | 2008-02-27 |
US20060183483A1 (en) | 2006-08-17 |
KR20050085552A (ko) | 2005-08-29 |
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