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1. 发明专利

JP2003058599A Method and system for inputting business data by using radio portable terminal and radio portable terminal 审中-公开
标题翻译：通过使用无线电便携式终端和无线电便携式终端来输入业务数据的方法和系统
公开(公告)号：JP2003058599A
公开(公告)日：2003-02-28
申请号：JP2001244445
申请日：2001-08-10
申请人： Tachyon Inc , 株式会社タキオン
发明人： MAEDA MITSUHIRO , HACHITANI TOSHITAKA
IPC分类号： G06Q10/06 , G06F9/445 , G06F13/00 , G06Q10/00 , G06Q50/00 , H04M11/00 , H04W4/12 , H04W88/02 , G06F17/60 , H04Q7/38
摘要： PROBLEM TO BE SOLVED: To realize a business data input system using a radio portable terminal, which requires a small amount of data to be communicated and can surely input and store data for business processing.
SOLUTION: This radio portable terminal 1 downloads a business data input program as a predetermined program from a center device 15, stores data inputted with the business data input program, and transmits the stored data to the center device 15 through a radio communicating means. The center device 15 authenticates a user on the basis of the data transmitted from the radio portable terminal, stores the received data and subsequently transmits the stored data to the radio portable terminal 1. The radio portable terminal displays the data transmitted from the center device on a display unit.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：实现使用无线便携式终端的业务数据输入系统，其需要传送少量的数据，并且可以肯定地输入和存储用于业务处理的数据。解决方案：该无线电便携式终端1从中央设备15下载作为预定程序的业务数据输入程序，存储输入商业数据输入程序的数据，并通过无线电通信装置将存储的数据发送到中心设备15。中心设备15基于从无线便携式终端发送的数据来认证用户，存储所接收的数据，并随后将所存储的数据发送到无线便携式终端1.无线便携式终端显示从中心设备发送的数据显示单元。

2. 发明专利

JP2000244535A METHOD AND EQUIPMENT FOR MULTIACCESS IN COMMUNICATION SYSTEM 失效
公开(公告)号：JP2000244535A
公开(公告)日：2000-09-08
申请号：JP20631599
申请日：1999-07-21
申请人： TACHYON INC
发明人： MOERDER KARL E , CARNEAL BRUCE L
IPC分类号： H04B7/204 , H04L12/28
摘要： PROBLEM TO BE SOLVED: To realize advantageous utilizing of a system resources and the delay of an allowable range by transmitting a data block to a hub station from a remote unit through a contention type access communication resource and transmitting an information message and a data block to the hub station from the remote unit through a non-contention type access channel. SOLUTION: Whenever the remote unit first tries to access to a system by way of the contention type access communication resource through the use of the reserved block of a resource, the unit informs the hub station. Because of information to the hub station, the hub station can accurately know the occurrence of collision (or another fault mode) and can prescribe the remote unit involved in this collision. When a collision occurs, the hub station assigns a resource in the non-contention type access communication resource at the time of resending the data block to each remote unit involved in the collision.

3. 发明申请

WO0025445A9 METHOD AND APPARATUS FOR CALIBRATION OF A WIRELESS TRANSMITTER 审中-公开
标题翻译：用于校准无线发射机的方法和设备
公开(公告)号：WO0025445A9
公开(公告)日：2000-10-26
申请号：PCT/US9925167
申请日：1999-10-27
申请人： TACHYON INC
发明人： MOERDER KARL E , BECKER DONALD W
IPC分类号： H03G3/30 , H04B7/005 , H04B17/00 , H03G3/20
CPC分类号： H04W52/52 , H03G3/3042 , H03G3/3047 , H04B17/13 , H04W52/36
摘要： When an installed wireless remote unit (14) is operating in the field, routine operation is interrupted to enter a calibration mode. In calibration mode, the compression point of a circuit element (82) is determined by applying a series of different drive levels to the circuit element (82). Based upon the determination of the compression point, a maximum transmission point is selected for the remote unit (14). Upon resumption of normal operation, the remote unit (14) uses the maximum transmission point to limit the signal power level transmitted over the wireless link (24). As time passes or operating conditions change, the calibration process is re-executed.
摘要翻译：当安装的无线遥控单元（14）在现场操作时，例行操作被中断以进入校准模式。在校准模式中，通过对电路元件（82）施加一系列不同的驱动电平来确定电路元件（82）的压缩点。基于压缩点的确定，为远程单元（14）选择最大传输点。在恢复正常操作时，远程单元（14）使用最大传输点来限制通过无线链路（24）传输的信号功率电平。随着时间的推移或操作条件的改变，校准过程会重新执行。

4. 发明申请

WO0005904A3 METHOD AND APPARATUS FOR MULTIPLE ACCESS IN A COMMUNICATION SYSTEM 审中-公开
标题翻译：通信系统中多路访问的方法与装置
公开(公告)号：WO0005904A3
公开(公告)日：2000-04-27
申请号：PCT/US9916387
申请日：1999-07-20
申请人： TACHYON INC , CARNEAL BRUCE L , BECKER DONALD , MOERDER KARL E
发明人： CARNEAL BRUCE L , BECKER DONALD , MOERDER KARL E
IPC分类号： H04L12/28 , H04L12/56 , H04W28/04 , H04W74/02 , H04W74/04 , H04W74/08
CPC分类号： H04W74/02 , H04L1/1867
摘要： A communication system is comprised of three communication resources: a contention-type access block (112), a non-contention access block (114) and a second non-contention access block called a reserved block (110). Each time that a remote unit (104) has a block of data to transfer to a hub station (100), the remote unit (104) sends the block of data over the contention-type access block (112). The remote unit (104) also sends a corresponding notification message over the reserved block (110). If the hub station (100) receives the notification message but not the block of data, the hub station (100) sends a response message to the remote unit (104) which designates the resource within the non-contention access block (114). The remote unit (104) sends the block of data o ver the designated resource.
摘要翻译：通信系统由三个通信资源组成：竞争型接入块（112），非竞争接入块（114）和被称为保留块（110）的第二非争用接入块。每当远程单元（104）具有要传送到中心站（100）的数据块时，远程单元（104）通过竞争型访问块（112）发送数据块。远程单元（104）还通过保留块（110）发送相应的通知消息。如果中心站（100）接收到通知消息而不是数据块，则中心站（100）向指定非竞争接入块（114）内的资源的远程单元（104）发送响应消息。远程单元（104）发送指定资源的数据块。

5. 发明专利

DE60021195D1 未知
公开(公告)号：DE60021195D1
公开(公告)日：2005-08-11
申请号：DE60021195
申请日：2000-08-24
申请人： TACHYON INC
发明人： BECKER DONALD W , LEIGH E
IPC分类号： H04J3/00 , G06F11/00 , G06F11/14 , H03J7/06 , H04B7/185 , H04L7/04 , H04L12/56 , H04L27/22 , H04N21/235 , H04N21/236 , H04N21/2385 , H04N21/434 , H04N21/435 , H04N21/438 , H04N21/61 , H04N21/643 , H04B7/212 , H04L1/20 , H04L7/02 , H04L27/233
摘要： A method and apparatus related to a communication system in which a plurality of remote units encode data bursts using a predetermined codeword set and transmit the encoded data bursts to a hub station over a multiple-access channel. When the hub station receives a data burst from one of the remote units, the hub station demodulates the received data burst and correlates the received data burst with each codeword within the predetermined codeword set to determine which codeword has the maximum correlation. The hub station uses the correlation to derive a timing synchronization signal and/or a carrier frequency adjustment signal to be sent back to the remote unit. The signals provide information to the remote unit to synchronize its timing or adjust its carrier frequency for transmitting subsequent data bursts. The hub station may also use the correlation to estimate a signal-to-noise ratio.

6. 发明专利

DE69924754D1 未知
公开(公告)号：DE69924754D1
公开(公告)日：2005-05-19
申请号：DE69924754
申请日：1999-07-21
申请人： TACHYON INC
发明人： MOERDER E
IPC分类号： H04B7/212
摘要： Time alignment of a signal from a remote unit at a hub station of a multiple access system is achieved based upon an initial time indication received from the hub station at the remote unit via a satellite. The remote unit transmits a signal to the satellite, monitors for a retransmission of the signal from the satellite and measures the time difference between the outgoing and incoming signals. The remote unit, then, uses the time difference to more finely adjust the time alignment. Alternatively, the remote unit transmits a first signal advanced with respect to an on-time estimate to the hub station and receives a responsive energy indication from the hub station. The remote unit transmits a second signal delayed with respect to the on-time estimate to the hub station and receives a responsive energy indication from the hub station. The remote unit compares the two energy indications and adjusts the on-time estimate. In another embodiment, the remote unit receives a compensated time indication from the hub station. The remote unit compares the time indication with the time at which the indication was actually received based upon a local, accurate time reference. The remote unit sets a transmission timer equal to the current time indicated by the local reference advanced by the difference between the time indication and the time which the time indication was received.

7. 发明专利

DE69920466D1 未知
公开(公告)号：DE69920466D1
公开(公告)日：2004-10-28
申请号：DE69920466
申请日：1999-07-21
申请人： TACHYON INC
发明人： MOERDER E
IPC分类号： H04J13/00 , H04J13/18 , H04W74/08 , H04Q7/38
摘要： In a system in which multiple remote units compete for limited communication resources, a remote unit accesses the system by randomly selecting a first sequence from a set of predetermined sequences. The remote unit transmits a data bit stream modulated with the first sequence beginning at one of a set of recurring admission boundaries. If the remote unit determines that the data bit stream has not been successfully received at a hub station, it randomly selects a second sequence from the set of predetermined sequences. The remote unit transmits the data bit stream modulated with the second sequence beginning at one of the set of recurring admission boundaries.

8. 发明专利

CA2343096A1 METHOD OF AND APPARATUS FOR TIME SYNCHRONISATION IN A COMMUNICATION SYSTEM 未知
公开(公告)号：CA2343096A1
公开(公告)日：2000-02-17
申请号：CA2343096
申请日：1999-07-21
申请人： TACHYON INC
发明人： MOERDER KARL E
IPC分类号： H04B7/212
摘要： Time alignment of a signal from a remote unit (40) at a hub station (20) of a multiple access system is achieved based upon an initial time indication received from the hub station (20) at the remote unit (40) via a satellite (30). The remote unit (40) transmits a signal to the satellite (30), monitor s for a retransmission of the signal from the satellite (30) and measures the time difference between the outgoing and incoming signals. The remote unit (40), then, uses the time difference to more finely adjust the time alignmen t. Alternatively, the remote unit (40) transmits a first signal advanced with respect to an on-time estimate to the hub station (20) and receives a responsive energy indication from the hub station (20). The remote unit (40) transmits a second signal delayed with respect to the on-time estimate to th e hub station (20) and receives a responsive energy indication from the hub station (20). The remote unit (40) compares the two energy indications and adjusts the on-time estimate. In another embodiment, the remote unit (40') receives a compensated time indication from the hub station (20'). The remot e unit (40') compares the time indication with the time at which the indicatio n was actually received based upon a local, accurate time reference. The remot e unit (40') sets atransmission timer equal to the current time indicated by the local reference advanced by the difference between the time indication a nd the time which the time indication was received.

9. 发明申请

WO0117117A2 CHANNEL ENCODING AND DECODING METHOD AND APPARATUS 审中-公开
标题翻译：信道编码和解码方法及装置
公开(公告)号：WO0117117A2
公开(公告)日：2001-03-08
申请号：PCT/US0023330
申请日：2000-08-24
申请人： TACHYON INC
发明人： BECKER DONALD W , LEIGH WILLIAM E L
IPC分类号： H04J3/00 , G06F11/00 , G06F11/14 , H03J7/06 , H04B7/185 , H04L7/04 , H04L12/56 , H04L27/22 , H04N21/235 , H04N21/236 , H04N21/2385 , H04N21/434 , H04N21/435 , H04N21/438 , H04N21/61 , H04N21/643 , H04B
CPC分类号： H04N21/435 , G06F11/0757 , G06F11/1441 , H03J7/065 , H04B7/18513 , H04B7/18582 , H04L7/0029 , H04L7/04 , H04L27/22 , H04N21/235 , H04N21/23614 , H04N21/2385 , H04N21/4348 , H04N21/4381 , H04N21/6143 , H04N21/64322 , H04W56/0085
摘要： A method and apparatus related to a communication system in which a plurality of remote units encode data bursts using a predetermined codeword set and transmit the encoded data bursts to a hub station over a multiple-access channel. When the hub station receives a data burst from one of the remote units, the hub station demodulates the received data burst and correlates the received data burst with each codeword within the predetermined codeword set to determine which codeword has the maximum correlation. The hub station uses the correlation to derive a timing synchronization signal and/or a carrier frequency adjustment signal to be sent back to the remote unit. The signals provide information to the remote unit to synchronize its timing or adjust its carrier frequency for transmitting subsequent data bursts. The hub station may also use the correlation to estimate a signal-to-noise ratio.
摘要翻译：一种涉及通信系统的方法和装置，其中多个远程单元使用预定码字集合对数据突发进行编码，并通过多址信道将编码数据突发发送到中枢站。当中枢站从远程单元中的一个接收到数据突发时，中枢站解调接收到的数据突发，并将接收到的数据突发与预定码字集内的每个码字相关，以确定哪个码字具有最大相关性。中枢站使用相关性来导出定时同步信号和/或载波频率调整信号以发送回远程单元。这些信号向远程单元提供信息以同步其定时或调整其载波频率以传输后续数据突发。中枢站也可以使用相关性来估计信噪比。

10. 发明专利

CA2343096C METHOD OF AND APPARATUS FOR TIME SYNCHRONIZATION IN A COMMUNICATION SYSTEM 未知
公开(公告)号：CA2343096C
公开(公告)日：2012-01-03
申请号：CA2343096
申请日：1999-07-21
申请人： TACHYON INC
发明人： MOERDER KARL E
IPC分类号： H04B7/212
摘要： Time alignment of a signal from a remote unit (40) at a hub station (20) of a multiple access system is achieved based upon an initial time indication received from the hub station (20) at the remote unit (40) via a satellite (30). The remote unit (40) transmits a signal to the satellite (30), monitors for a retransmission of the signal from the satellite (30) and measures the time difference between the outgoing and incoming signals. The remote unit (40), then, uses the time difference to more finely adjust the time alignment. Alternatively, the remote unit (40) transmits a first signal advanced with respect to an on-time estimate to the hub station (20) and receives a responsive energy indication from the hub station (20). The remote unit (40) transmits a second signal delayed with respect to the on-time estimate to the hub station (20) and receives a responsive energy indication from the hub station (20). The remote unit (40) compares the two energy indications and adjusts the on-time estimate. In another embodiment, the remote unit (40') receives a compensated time indication from the hub station (20'). The remote unit (40') compares the time indication with the time at which the indication was actually received based upon a local, accurate time reference. The remote unit (40') sets a transmission timer equal to the current time indicated by the local reference advanced by the difference between the time indication and the time which the time indication was received.

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