公开(公告)号：US20150063476A1

公开(公告)日：2015-03-05

申请号：US14018907

申请日：2013-09-05

Applicant: Futurewei Technologies, Inc.

Inventor： Ruxiang Wang ,  Guozhu Long ,  Yan Zhang ,  Amir H. Fazlollahi

IPC: H04M11/06 ,  H04L27/26

CPC classification number: H04M11/062 ,  H04L5/0044 ,  H04L27/34 ,  Y02D50/44

Abstract: A method implemented in a multicarrier transmission system, the method comprising generating a plurality of constellation points by using one or more constellation mappers to map a plurality of special data sequences for an idle data transmission unit (IDTU), wherein the plurality of special data sequences are computed prior to the mapping such that the plurality of constellation points are essentially inner constellation points, wherein each of the inner constellation points resides in a constellation diagram that corresponds to one of a plurality of subcarriers used by the IDTU, and wherein the constellation diagram comprises a number of inner constellation points and a number of outer constellation points, with the inner constellation points being closer from an origin of the constellation diagram than the outer constellation points, and transmitting the plurality of constellation points.

Abstract translation: 一种在多载波传输系统中实现的方法，所述方法包括通过使用一个或多个星座映射器来为空闲数据传输单元（IDTU）映射多个特殊数据序列来生成多个星座点，其中所述多个特殊数据序列 在映射之前计算，使得多个星座点基本上是内部星座点，其中每个内部星座点驻留在与IDTU使用的多个子载波中的一个对应的星座图中，并且其中星座图 包括多个内部星座点和多个外部星座点，其中内部星座点比星座图更靠近星座图的原点，并且发送多个星座点。

公开(公告)号：US09288152B2

公开(公告)日：2016-03-15

申请号：US14022952

申请日：2013-09-10

Applicant: Futurewei Technologies, Inc.

Inventor： Ruxiang Wang ,  Amir H. Fazlollahi ,  Guozhu Long ,  Yan Zhang

IPC: H04L12/863 ,  H04L12/805 ,  H04L1/18

CPC classification number: H04L47/50 ,  H04L1/1874 ,  H04L1/188 ,  H04L47/36

Abstract: A method of discontinuous transmission data communication in a digital subscriber line (DSL) transceiver unit, the method comprising determining that a number of a plurality of bits available to transmit is enough to fill a data transfer unit (DTU), forming a DTU, by a DTU framer, comprising the plurality of bits, transferring the DTU to a retransmission queue, and determining the DTUs from the retransmission queue to be transmitted over a next time period used for transmitting over the DSL subscriber line by the DSL transceiver unit.

Abstract translation: 一种在数字用户线（DSL）收发器单元中的不连续传输数据通信的方法，所述方法包括：确定可用于发送的多个比特的数量足以填充数据传输单元（DTU），形成DTU，通过 DTU成帧器，包括多个比特，将DTU传送到重发队列，以及从用于通过DSL收发器单元通过DSL用户线传输的下一个时间段来确定要重传的队列中的DTU。

公开(公告)号：US09001913B2

公开(公告)日：2015-04-07

申请号：US14018907

申请日：2013-09-05

Applicant: Futurewei Technologies, Inc.

Inventor： Ruxiang Wang ,  Guozhu Long ,  Yan Zhang ,  Amir H. Fazlollahi

IPC: H04L23/02 ,  H04L5/12 ,  H04M11/06 ,  H04L27/26

CPC classification number: H04M11/062 ,  H04L5/0044 ,  H04L27/34 ,  Y02D50/44

Abstract: A method implemented in a multicarrier transmission system, the method comprising generating a plurality of constellation points by using one or more constellation mappers to map a plurality of special data sequences for an idle data transmission unit (IDTU), wherein the plurality of special data sequences are computed prior to the mapping such that the plurality of constellation points are essentially inner constellation points, wherein each of the inner constellation points resides in a constellation diagram that corresponds to one of a plurality of subcarriers used by the IDTU, and wherein the constellation diagram comprises a number of inner constellation points and a number of outer constellation points, with the inner constellation points being closer from an origin of the constellation diagram than the outer constellation points, and transmitting the plurality of constellation points.

Abstract translation: 一种在多载波传输系统中实现的方法，所述方法包括通过使用一个或多个星座映射器来为空闲数据传输单元（IDTU）映射多个特殊数据序列来生成多个星座点，其中所述多个特殊数据序列 在映射之前被计算，使得多个星座点基本上是内部星座点，其中每个内部星座点驻留在与IDTU使用的多个子载波中的一个对应的星座图中，并且其中星座图 包括多个内部星座点和多个外部星座点，其中内部星座点比星座图更靠近星座图的原点，并且发送多个星座点。

公开(公告)号：US20140105219A1

公开(公告)日：2014-04-17

申请号：US14022952

申请日：2013-09-10

Applicant: Futurewei Technologies, Inc.

Inventor： Ruxiang Wang ,  Amir H. Fazlollahi ,  Guozhu Long ,  Yan Zhang

IPC: H04L12/863

CPC classification number: H04L47/50 ,  H04L1/1874 ,  H04L1/188 ,  H04L47/36

Abstract: A method of discontinuous transmission data communication in a digital subscriber line (DSL) transceiver unit, the method comprising determining that a number of a plurality of bits available to transmit is enough to fill a data transfer unit (DTU), forming a DTU, by a DTU framer, comprising the plurality of bits, transferring the DTU to a retransmission queue, and determining the DTUs from the retransmission queue to be transmitted over a next time period used for transmitting over the DSL subscriber line by the DSL transceiver unit.

Abstract translation: 一种在数字用户线（DSL）收发器单元中的不连续传输数据通信的方法，所述方法包括：确定可用于发送的多个比特的数量足以填充数据传输单元（DTU），形成DTU，通过 DTU成帧器，包括多个比特，将DTU传送到重发队列，以及从用于通过DSL收发器单元通过DSL用户线传输的下一个时间段来确定要重传的队列中的DTU。

公开(公告)号：US20140050105A1

公开(公告)日：2014-02-20

申请号：US13682842

申请日：2012-11-21

Applicant: FUTUREWEI TECHNOLOGIES, INC.

Inventor： Ruxiang Wang ,  Yan Zhang ,  Guozhu Long ,  Dong Wei

IPC: H04L29/06

CPC classification number: H04L69/166 ,  H04L1/0057 ,  H04L1/08 ,  H04L1/1874 ,  H04L12/2898 ,  H04L43/0888 ,  H04L43/0894 ,  H04L47/25 ,  H04L69/324 ,  H04M11/062

Abstract: An apparatus used for digital subscriber line (DSL) communication comprising a processor configured to generate a data transmission unit (DTU) comprising user data and a transmitter configured to repeatedly transmit the DTU a plurality of times onto a subscriber line, wherein a number of the plurality of times is adaptively based on a user data rate of the subscriber line. A method of data communication comprising generating a DTU comprising user data and repeatedly transmitting the DTU a plurality of times onto a subscriber line, wherein a number of the plurality of times is adaptively based on a data rate of the subscriber line.

Abstract translation: 一种用于数字用户线（DSL）通信的装置，包括：处理器，被配置为生成包括用户数据的数据传输单元（DTU）;以及发射机，被配置为重复地将DTU多次发送到用户线上，其中， 基于用户线的用户数据速率自适应地进行多次。 一种数据通信方法，包括：生成包含用户数据的DTU并将DTU多次重复地发送到用户线路，其中多个次数是根据用户线路的数据速率进行自适应的。