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1. 发明专利

JP2004128993A Control method for transmission power, base station, mobile station, and radio communication system 审中-公开
公开(公告)号：JP2004128993A
公开(公告)日：2004-04-22
申请号：JP2002291612
申请日：2002-10-03
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： KITAZAWA DAISUKE , CHIN ARASHI , KAYAMA HIDETOSHI , UMEDA SEISHI
IPC分类号： H04J13/00 , H04B7/005 , H04B7/26 , H04L12/24 , H04L12/28 , H04Q3/00 , H04Q3/545 , H04W52/04 , H04W52/08 , H04W52/20 , H04W52/22 , H04W52/26 , H04W52/36 , H04W52/48 , H04W74/04 , H04W84/12
CPC分类号： H04W52/265 , H04W52/20 , H04W52/267 , H04W52/48
摘要： PROBLEM TO BE SOLVED: To effectively utilize a resource by supporting a variety of QoS (quality of service) in a radio communication system. SOLUTION: With regard to a maximum allowable delay and a reception error rate as a requested value for the QoS, the communication system is mixed with a first mobile station group of which the maximum allowable delay is shorter than a reference value and the reception error rate is not lower than a reference value and a second mobile station group of which the maximum allowable delay is not shorter than the reference value and the reception error rate is lower than the reference value. A base station sets transmission power margins to mobile stations in the first mobile station group higher than that of mobile stations in the second station group. The mobile stations in the first mobil station group are set to have the transmission power margins higher than that of the mobile stations in the second mobile station group. In a radio communication system in which data re-sending is allowed, a base station increases transmission power margins in association with an increase in the number of data re-sending times in the outgoing direction, and mobile stations increase transmission power margins in association with an increase in the number of data re-sending times in the incoming direction. COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2005006293A Mobile packet communication method, base station, and mobile station 有权
标题翻译：移动分组通信方法，基站和移动站
公开(公告)号：JP2005006293A
公开(公告)日：2005-01-06
申请号：JP2004146955
申请日：2004-05-17
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： CHIN ARASHI , KITAZAWA DAISUKE , KAYAMA HIDETOSHI , UMEDA SEISHI
IPC分类号： H04L12/835 , H04L12/801 , H04L12/863 , H04L12/911 , H04L12/919 , H04Q7/38 , H04L12/56
摘要： PROBLEM TO BE SOLVED: To provide a mobile packet communication method, a base station, and a mobile station in which efficient scheduling and radio resource allocation can be performed in an upward high-speed mobile packet communication system. SOLUTION: In the mobile packet communication system for performing packet communication between a mobile station 30 and a base station 10, the base station manages a transmission amount of packets stored in a transmission buffer 35 of the mobile station 30 and each time the amount of packets stored in the transmission buffer 35 of the mobile station 30 is changed, the mobile station 30 notifies the base station 10 of the changed result of the relevant packet amount. In accordance with the notified changed result of the packet amount, the base station 10 increases/decreases the amount of packets stored in the transmission buffer corresponding to the mobile station 30. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种移动分组通信方法，基站和移动台，其中可以在向上的高速移动分组通信系统中执行有效的调度和无线电资源分配。解决方案：在移动台30与基站10之间执行分组通信的移动分组通信系统中，基站管理存储在移动台30的发送缓冲器35中的分组的发送量，存储在移动台30的发送缓冲器35中的分组的数量发生变化，移动台30向基站10通知相关分组数量的改变结果。根据通知的分组数量的改变结果，基站10增加/减少存储在与移动台30对应的发送缓冲器中的分组数量。（C）2005，JPO＆NCIPI

3. 发明专利

JP2004248105A Radio base station, mobile terminal, radio communication system and radio communicating method 有权
标题翻译：无线电台站，移动终端，无线电通信系统和无线电通信方法
公开(公告)号：JP2004248105A
公开(公告)日：2004-09-02
申请号：JP2003037374
申请日：2003-02-14
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： KITAZAWA DAISUKE , CHIN ARASHI , KAYAMA HIDETOSHI , UMEDA SEISHI
IPC分类号： H04B7/26 , H04L12/801 , H04L12/841 , H04L12/861 , H04L12/911 , H04L29/14 , H04W28/14 , H04Q7/38 , H04L12/56
摘要： PROBLEM TO BE SOLVED: To provide an efficient radio base station that prevents a processing delay due to the attachment of a time stamp. SOLUTION: This radio base station is provided with a plurality of transmission buffers 16 for storing the packets to be transmitted, an arrival interval measuring part 11 for measuring a packet arrival interval, a determining part 12 for determining largeness/smallness between the packet arrival interval measured by the arrival interval measuring part 11 and a prescribed threshold, a storing part 17 for storing the time when a subsequent packet arrives as the data arrival time about a transmission buffer for storing the packet when the determining part 12 determines that the arrival interval is larger than the prescribed threshold, and a scheduling processing part 14 for performing preferential control of packet transmission on the basis of the data arrival time about the respective transmission buffers 16 stored in the storing part 17. COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供一种有效的无线电基站，其防止由于附加时间戳而导致的处理延迟。解决方案：该无线基站设置有多个用于存储要发送的分组的发送缓冲器16，用于测量分组到达间隔的到达间隔测量部分11，用于确定分组到达间隔的大小/小的确定部分12 由到达间隔测量部分11测量的分组到达间隔和规定的阈值;存储部分17，用于当确定部分12确定该分组到达间隔时，存储当后续分组到达时的时间作为关于用于存储分组的传输缓冲器的数据到达时间到达间隔大于规定的阈值，以及调度处理部14，用于根据存储在存储部17中的各个发送缓冲器16的数据到达时间进行分组发送的优先控制。）2004年，日本特许厅和NCIPI

4. 发明专利

JP2004128989A Mobile communication system, mobile communication method, base station, and mobile station 有权
公开(公告)号：JP2004128989A
公开(公告)日：2004-04-22
申请号：JP2002291581
申请日：2002-10-03
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： CHIN ARASHI , KAYAMA HIDETOSHI , KITAZAWA DAISUKE , UMEDA SEISHI
IPC分类号： H04L12/951 , H04L12/815 , H04L12/863 , H04L12/869 , H04L12/875 , H04L29/08 , H04W72/10 , H04W72/12 , H04L12/56 , H04Q7/38
摘要： PROBLEM TO BE SOLVED: To effectively utilize a radio resource and improve a satisfaction rate of QoS (quality of service) by reducing packet losses due to a scheduling delay and an over delay.
SOLUTION: A mobile communication system includes a plurality of mobile stations U1-U6; a transmission buffer part 12 for storing packets at each mobile station; a buffer size recognition processing part 111 for measuring an amount of packet stored in the transmission buffer part 12; a buffer residence time recognition processing part 112 for measuring the residence time of the packets stored in the transmission buffer part 12; and a scheduling processing part 11 for deciding the transmission order of the packets stored in the transmission buffer part 12, according to the measuring result by the size recognition processing part 111 and the time recognition processing part 112.
COPYRIGHT: (C)2004,JPO

5. 发明专利

JP2003348652A Random access method, wireless station, and cdma packet communication system 有权
标题翻译：随机访问方法，无线站和CDMA分组通信系统
公开(公告)号：JP2003348652A
公开(公告)日：2003-12-05
申请号：JP2002148054
申请日：2002-05-22
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： KAYAMA HIDETOSHI , CHIN ARASHI , KITAZAWA DAISUKE , UMEDA SEISHI
IPC分类号： H04B7/005 , H04B7/26 , H04J13/00 , H04L1/00 , H04W52/00 , H04W52/04 , H04W72/04 , H04W72/12 , H04W74/08 , H04W76/02 , H04Q7/38 , H04J13/04
CPC分类号： H04W52/04 , H04B1/707 , H04L1/0002 , H04W74/08
摘要： PROBLEM TO BE SOLVED: To suppress interference with other packets during transmission and to reduce a packet error rate. SOLUTION: A mobile station starts transmission of a stored packet A at first as shown in the middle part of Figure and starts transmission of a packet B after a prescribed time τ s . Then the mobile station sequentially starts transmission of packets C, D at an interval of the prescribed time τ s . Since an individual code is assigned to each packet and each packet is transmitted at a comparatively lower transmission rate, the transmission of the packets is overlapped by setting the prescribed time τ s sufficiently shorter, and the transmission power of the mobile station indicates smooth steps as shown in the lower part of Figure. Since the period of the transmission power control of the mobile station is set shorter than the prescribed time τ s , even if a transmission signal of other packets transmitted in parallel at the same time causes an interference wave, increasing the power of a desired wave in the transmission power control can maintain an Eb/No at a required value or over. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：在传输过程中抑制对其他数据包的干扰并降低数据包错误率。解决方案：移动台首先开始发送存储的分组A，如图中间部分所示，并在规定时间τSB之后开始分组B的传输。然后，移动台以规定时间τSB的间隔顺序开始分组C，D的发送。由于对每个分组分配了单独的代码，并且以相对较低的传输速率发送每个分组，所以通过将规定的时间τ s 足够短的时间来进行分组的发送重叠，并且发送功率移动台表示平滑的步骤，如图的下部所示。由于移动站的发送功率控制的周期被设定为短于规定时间τSB，所以即使并行发送的其他分组的发送信号同时发生干扰波，也增加传输功率控制中所需波的功率可以将Eb / No保持在所需值或以上。版权所有（C）2004，JPO

6. 发明专利

JP2005027199A Packet relaying device and packet relaying method 有权
标题翻译：分组继电器和分组继电器
公开(公告)号：JP2005027199A
公开(公告)日：2005-01-27
申请号：JP2003192489
申请日：2003-07-04
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： KITAZAWA DAISUKE , CHIN ARASHI , KAYAMA HIDETOSHI , UMEDA SEISHI
IPC分类号： H04L12/801 , H04L12/879 , H04L12/911 , H04L13/08 , H04L12/56
摘要： PROBLEM TO BE SOLVED: To provide a packet relaying device which can prevent the discard of a packet having a transferable possibility without an excess of a residence time over a maximum allowable delay time if a transfer rate is increased, when the transfer rate during transferring the packet is temporarily dropped compared with a prescribed transfer rate caused by the occurrence of the congestion of a packet communication network and the reception errors, and to also provide a packet relaying method. SOLUTION: The packet relaying device 10, which relays the packet in a packet communication network, is provided with a transfer buffer 13 having a prescribed buffer capacity, a transfer rate measuring part 15 for measuring the transfer rate when the packet is transferred, and a buffer capacity changing part 16 for expanding the buffer capacity when the transfer rate measured by the transfer rate measuring part 15 is lower than a prescribed transfer rate. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种分组中继设备，如果传输速率增加，则可以防止丢弃具有可传送可能性的分组而不超过最大允许延迟时间的停留时间，当传输速率与分组通信网络的拥塞发生引起的规定的传输速率和接收错误相比，在传送过程中暂时丢弃数据包，并提供数据包中继方法。解决方案：在分组通信网络中中继分组的分组中继设备10设置有具有规定缓冲器容量的传送缓冲器13，传送速率测量部分15，用于测量分组传输时的传输速率以及缓冲容量变更部16，用于当由传送速率测量部15测量的传送速率低于规定的传送速率时扩展缓冲器容量。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2007306623A Wireless base station, mobile terminal, wireless communication system, and wireless communication method 有权
标题翻译：无线基站，移动终端，无线通信系统和无线通信方法
公开(公告)号：JP2007306623A
公开(公告)日：2007-11-22
申请号：JP2007204576
申请日：2007-08-06
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： KITAZAWA DAISUKE , CHIN ARASHI , KAYAMA HIDETOSHI , UMEDA SEISHI
IPC分类号： H04L12/815 , H04L12/863 , H04L12/875 , H04W28/14 , H04W72/12
摘要： PROBLEM TO BE SOLVED: To provide an efficient wireless base station which does not occurs a processing delay caused by assignment of a timestamp. SOLUTION: The wireless base station 2 according to the invention which performs a packet communication between the base station and a plurality of mobile terminals comprises: a reception unit 19 for receiving information about a data occurrence time transmitted from each mobile terminal; and a scheduling process unit 14 for performing a priority control of a reception of a packet from a mobile terminal by scheduling an order in which a packet from a mobile terminal should be received among a plurality of mobile terminals based on the data occurrence time received by the reception unit 19. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种不发生由分配时间戳引起的处理延迟的有效无线基站。解决方案：根据本发明的执行基站与多个移动终端之间的分组通信的无线基站2包括：接收单元19，用于接收关于从每个移动终端发送的数据发生时间的信息; 以及调度处理单元14，用于基于由多个移动终端接收到的数据发生时间，通过调度在多个移动终端中接收来自移动终端的分组的顺序来执行来自移动终端的分组的接收的优先级控制接收单元19.版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2004140604A Wireless base station, control apparatus, wireless communication system, and communication method 有权
公开(公告)号：JP2004140604A
公开(公告)日：2004-05-13
申请号：JP2002303464
申请日：2002-10-17
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： KITAZAWA DAISUKE , CHIN ARASHI , KAYAMA HIDETOSHI , UMEDA SEISHI
IPC分类号： H04B7/155 , H04B7/26 , H04L12/28 , H04W28/00 , H04W28/10 , H04W28/24 , H04W72/12 , H04W76/02 , H04W88/08 , H04Q7/38
CPC分类号： H04W72/1236 , H04L47/14 , H04W72/1242
摘要： PROBLEM TO BE SOLVED: To properly control transmission of packets when various mobile stations exist mixedly in a wireless communication system. SOLUTION: A packet classification section 14a classifies packets into a packet having requirement value for communication quality and a packet having no requirement value for communication quality. A scheduling processing section 14b controls the transmission sequence of the packets for every classified packet, that is, a packet having requirement value and having no requirement value for communication quality. Then a wireless resource assignment processing section 14c assigns a wireless resource to satisfy the requirement value of the QoS critical packets. COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2002112321A COMMUNICATION SYSTEM AND COMMUNICATION CHANNEL ASSIGNING METHOD 失效
公开(公告)号：JP2002112321A
公开(公告)日：2002-04-12
申请号：JP2000297186
申请日：2000-09-28
申请人： NTT DOCOMO INC
发明人： KITAZAWA DAISUKE , SATO KICHIN , UMEDA SEISHI
IPC分类号： H04B7/26 , H04W16/02 , H04W24/00 , H04W28/02 , H04W28/14 , H04W72/10 , H04W72/12 , H04W74/04 , H04W84/12 , H04Q7/36 , H04L12/28
摘要： PROBLEM TO BE SOLVED: To suppress a delay time to be a desired time or below so as to improve the throughput while effectively utilizing communication channels. SOLUTION: A reception section 202 of each of wireless terminals 10-40 receives a signal transmitted from a wireless base station 1. An S/N measurement section 204 of each of the wireless terminals 10-40 measures the S/N of the received signal. A data quantity measurement section 206 of the wireless base station 1 measures a quantity of data stored in buffers 11-41 in the wireless base station 1. A maximum resident time measurement section 208 measures a maximum resident time of packets in the buffers 11-41. A maximum resident time dependent classification processing section 210 classifies the wireless terminals 10-40 on the basis of the maximum resident time. A slot assignment priority ranking decision processing section 212 decides the assignment sequence of time slots with respect to the wireless terminals 10-40 on the basis of the S/N of the received signal, the data quantity, the maximum resident time, and the classification result in the maximum resident time dependent classification processing section 210.

10. 发明专利

JP2002204481A RECEPTION CONTROLLER AND ITS NEW CONNECTION RECEPTION CONTROL METHOD 失效
公开(公告)号：JP2002204481A
公开(公告)日：2002-07-19
申请号：JP2000402957
申请日：2000-12-28
申请人： NTT DOCOMO INC
发明人： KITAZAWA DAISUKE , SATO KICHIN , UMEDA SEISHI
IPC分类号： H04B7/26 , H04L12/28 , H04L12/911 , H04W24/00 , H04W28/16 , H04W28/18 , H04W76/02 , H04W84/12 , H04Q7/38 , H04L12/56
摘要： PROBLEM TO BE SOLVED: To provide a reception controller that can ensure communication quality that is a requirement of a terminal requesting a new connection without deteriorating the utilizing efficiency of a wireless resource such as a communication channel and sacrificing the communication quality of the terminal under the connection. SOLUTION: A connection request reception section 301 receives a connection request signal and a communication quality requirement sent from a new terminal/session requesting a new connection and a requirement quality storage section 303 stores request communication quality of all terminals/sessions under the connection. A connection request reception decision section 304 totalizes the communication quality requirements of the terminals/sessions under the connection stored in the requirement quality storage section 303, calculates the performable communication quality from the total sum and compares the calculated performable communication quality with the new communication quality requirement. The reception controller permits the connection when the calculated performable communication quality is higher than the new communication quality requirement as the result of comparison.

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