公开(公告)号：EP2369769A3

公开(公告)日：2012-01-18

申请号：EP11152956.6

申请日：2011-02-01

Applicant: Deutsches Zentrum für Luft- und Raumfahrt e.V.

Inventor： Boussemart, Vincent

IPC: H04L1/00 ,  H03M13/15 ,  H03M13/37

CPC classification number: H03M13/1515 ,  H03M13/3715 ,  H03M13/6541 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/201 ,  H04L2001/0093

Abstract: The invention is related to a method of transmitting data from a transmitter to a receiver in particular in a DVB-scenario. Hereby data is transmitted in consecutive bursts and each burst comprises a plurality of Multi-Protocol Encapsulation (MPE) sections and additionally Multi-Protocol Encapsulation - inter-burst-Forward Error Correction (MPE-iFEC) sections and / or Multi-Protocol Encapsulation- Forward Error Correction (MPE-FEC) sections. The content of the transmitted MPE-sections and MPE-iFEC or MPE-FEC sections is mapped into an Application Data Sub-Table (ADST) and an inter-burst-Forward Error Correction Data Sub-Table (iFDST) or Forward Error Correction Data Sub-Table (FDST) respectively. The content of the ADST and iFDST is mapped into ADT's and iFDTS's respectively as far as MPE- and MPE-iFEC sections are concerned. The decoding process is applied on a particular set of ADT and iFDT for MPE- and MPE-iFEC sections and on the ADST and FDST for MPE and MPE-FEC sections and after the decoding was performed on a particular set of ADT and iFDT the data part is copied back into ADST's.
According to the invention the ADT and iFDT or ADST and FDST on which decoding shall be applied is divided into several subblocks before being decoded, each subblock containing one or more lines of the ADT and iFDT or ADST and FDST. Each subblock is then forwarded to the decoder, so that decoding is applied on this subblock, whereby the decoder computes the column status for each subblock, namely the total number of erroneous or missing columns in this subblock and decides whether the content of each subblock can be decoded or not based on the column status of this subblock.

Abstract translation: 本发明涉及一种将数据从发射机发送到接收机的方法，特别是在DVB场景中。 由此数据在连续突发中传输，并且每个突发包括多个多协议封装（MPE）部分和附加的多协议封装 - 突发间前向错误校正（MPE-iFEC）部分和/或多协议封装 前向纠错（MPE-FEC）部分。 发送的MPE段和MPE-iFEC或MPE-FEC段的内容被映射到应用数据子表（ADST）和突发间前向纠错数据子表（iFDST）或前向纠错数据 子表（FDST）。 就MPE和MPE-iFEC部分而言，ADST和iFDST的内容分别映射到ADT和iFDTS。 解码过程应用于MPE和MPE-iFEC部分的一组特定的ADT和iFDT以及MPE和MPE-FEC部分的ADST和FDST上，并且在特定的一组ADT和iFDT上执行解码后，数据 部分被复制回ADST中。 根据本发明，在其上解码的ADT和iFDT或ADST和FDST在被解码之前被分成几个子块，每个子块包含ADT和iFDT或ADST和FDST的一行或多行。 然后将每个子块转发给解​​码器，以便对该子块应用解码，由此解码器计算每个子块的列状态，即该子块中的错误或缺失列的总数，并决定每个子块的内容是否可以 根据这个子块的列状态来解码还是不解码。

公开(公告)号：EP2120477A1

公开(公告)日：2009-11-18

申请号：EP08712002.8

申请日：2008-02-26

Applicant: NTT DoCoMo, Inc.

Inventor： ISHII, Hiroyuki ,  UMESH, Anil

IPC: H04Q7/36 ,  H04J3/16 ,  H04J1/00 ,  H04J11/00

CPC classification number: H04W72/0406 ,  H04L1/0003 ,  H04L1/0026 ,  H04L1/0035 ,  H04L1/1607 ,  H04L1/1887 ,  H04L1/201 ,  H04L5/0037 ,  H04L5/0053 ,  H04L5/006 ,  H04L5/0082 ,  H04L5/0085 ,  H04L5/16 ,  H04W68/005 ,  H04W72/042 ,  H04W72/0453 ,  H04W72/1273 ,  H04W74/0833 ,  H04W88/08

Abstract: A base station apparatus capable of communicating with a user equipment terminal using a downlink shared channel is disclosed. The base station apparatus includes a radio resource allocation unit allocating radio resource blocks to the shared channel after allocating the radio resource blocks to at least one of a synchronization signal, a common control channel, a broadcast channel, a paging channel, an MBMS channel, and a random access response channel.

Abstract translation: 公开了能够使用下行链路共享信道与用户装置进行通信的基站装置。 基站装置包括无线资源分配单元，其在将无线资源块分配给同步信号，公共控制信道，广播信道，寻呼信道，MBMS信道中的至少一个之后，向共享信道分配无线资源块， 和随机接入响应信道。

公开(公告)号：EP2088699A2

公开(公告)日：2009-08-12

申请号：EP09005923.9

申请日：2000-06-22

Applicant: Qualcomm Incorporated

Inventor： Jou, Yu-Cheun ,  Tiedemann, Edward G. jr.

IPC: H04B17/00 ,  H04B7/005

CPC classification number: H04W52/282 ,  H04B17/382 ,  H04L1/20 ,  H04L1/201 ,  H04W52/288

Abstract: A remote station, comprises an empty frame detector (220) that detects when a frame is empty and sends a signal indicating such. A counter counts a number of consecutive empty frames. A control processor (222) coupled to the empty frame detector and the counter resets the counter when a good or bad frame is detected. When a number of consecutive empty frames exceeds a threshold, the control processor sends a signal indicating such. A message generator (228), coupled to the control processor, generates a message requiring a reply from a base station when it receives the signal and a transmitter (232) transmits the message.

Abstract translation: 本发明涉及一种装置和一种方法，CORRESPONDING用于在无线通信系统中的移动站使用，包括：€¢用于检测如果帧是空的和发送的第一信号，指示检查一个空帧检测器（220）; €¢用于跟踪号在移动累加器方式检测空帧的计数器（224）; €¢用于发送第二信号，如果在接收到的帧的预定数目的检测空帧的计数超过阈值的控制处理器; 和€¢用于接收第二信号，并且响应于此而产生用于传输的消息给基站，该消息需要来自基站的应答消息生成

公开(公告)号：EP2070236A1

公开(公告)日：2009-06-17

申请号：EP07838118.3

申请日：2007-09-12

Applicant: LUCENT TECHNOLOGIES INC.

Inventor： DOMINIQUE, Francis ,  KONG, Hongwei

IPC: H04L1/00 ,  H04B7/005

CPC classification number: H04L1/005 ,  H04B2201/70709 ,  H04L1/0072 ,  H04L1/20 ,  H04L1/201 ,  H04W52/12 ,  H04W52/20 ,  H04W52/44

Abstract: In a method of detecting whether a transmitted data frame is a discontinuous transmission (DTX) frame, a signal metric corresponding to the transmitted data frame is generated in a decoding operation used to decode the data frame from a signal carrying the frame that is received by a base station receiver. A signal energy of the transmitted data frame is determined based on the signal metric, and used for determining whether the transmitted data frame is a DTX frame.

公开(公告)号：EP1603265A3

公开(公告)日：2008-06-25

申请号：EP05011918.9

申请日：2005-06-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Roh, Hee-Jin ,  Kim, Min-Goo

IPC: H04L1/00 ,  H04L1/20

CPC classification number: H04L1/0054 ,  H04L1/0061 ,  H04L1/0068 ,  H04L1/0072 ,  H04L1/20 ,  H04L1/201

Abstract: An apparatus and a method are provided for improving reception reliability for control channels by detecting time division multiple (TDM) frames transmitted through the control channels in a TDM mobile communication system. The apparatus and method include receiving the frame through the forward control channel and performing a cyclic redundancy checking (CRC) with respect to the frame, thereby outputting a first error detection bit, measuring reception power for the frame, calculating a first path metric when decoding a channel of the frame, estimating a second path metric by using the first path metric and the reception power, and outputting a second error detection bit by comparing the second path metric with a predetermined threshold value, and creating and outputting a frame quality bit for detecting validity of the frame based on the first and second error detection bits.

公开(公告)号：EP1844569A2

公开(公告)日：2007-10-17

申请号：EP06734437.4

申请日：2006-01-31

Applicant: QUALCOMM INCORPORATED

Inventor： VISVANATHAN, Arun ,  BUTALA, Amit ,  SUBRAHMANYA, Parvathanathan

IPC: H04L1/00 ,  H04B7/005

CPC classification number: H04W52/12 ,  H04B1/7172 ,  H04L1/20 ,  H04L1/201 ,  H04L1/208 ,  H04W52/18 ,  H04W52/20 ,  H04W52/24 ,  H04W52/44

Abstract: To perform erasure detection for an intermittently active transport channel with unknown format, a receiver determines an energy metric and a symbol error rate (SER) for a received block with CRC failure. The receiver computes uncorrelated random variables u and v for the received block based on the energy metric and SER, the estimated means and standard deviations of the energy metric and SER, and a correlation coefficient indicative of the correlation between the energy metric and SER. The receiver then evaluates the uncorrelated random variables u and v based on at least one decision criterion and declares the received block to be an erased block or a DTX block based on the result of the evaluation. The decision criterion may be defined based on a target probability of false alarm and adjusted based on another metric, such as a zero state bit, for the received block.

公开(公告)号：EP1570699B1

公开(公告)日：2007-08-22

申请号：EP03796971.4

申请日：2003-12-10

Applicant: Qualcomm, Incorporated

Inventor： CHEN, Qingxin ,  PATEL, Shimman

IPC: H04Q7/38

CPC classification number: H04L1/0061 ,  H04L1/0072 ,  H04L1/20 ,  H04L1/201

Abstract: Techniques to detect for DTX frames in a 'primary' transmission that may be sent in a non-continuous manner using a 'secondary' transmission that is sent during periods of no transmission for the primary transmission. The primary and secondary transmissions may be the ones sent on the F-DCCH and Forward Power Control Subchannel, respectively, in an IS-2000 system. In one method, a determination is first made whether or not a frame received for the primary transmission in a particular frame interval is a good frame (e.g., based on CRC). If the received frame is not a good frame, then a determination is next made whether the received frame is a DTX frame or an erased frame based on a number of metrics determined for the primary and secondary transmissions. The metrics may include symbol error rate of the received frame, secondary transmission (e.g., PC bit) energy, and received frame energy.

Abstract translation: 用于检测“主”传输中的DTX帧的技术，其可以使用在主传输的无传输期间发送的“次要”传输以非连续方式发送。 主要和次要传输可以是在IS-2000系统中分别在F-DCCH和前向功率控制子信道上发送的传输。 在一种方法中，首先确定在特定帧间隔内针对主传输接收到的帧是否是好帧（例如，基于CRC）。 如果接收到的帧不是好的帧，则基于为主要传输和次要传输确定的多个度量来确定接收到的帧是DTX帧还是擦除帧。 度量可以包括所接收的帧的符号错误率，二次传输（例如PC比特）能量和接收到的帧能量。

公开(公告)号：EP1784922A1

公开(公告)日：2007-05-16

申请号：EP05778167.6

申请日：2005-08-31

Applicant: Nokia Corporation

Inventor： JUNCKER, Carsten

IPC: H04B1/10 ,  H04L1/20

CPC classification number: H04L1/201 ,  H04L1/0061 ,  H04L1/203

Abstract: There is provided a receiver comprising a processing unit, a communications unit for receiving frames including training sequence symbols or pilot symbols, the processing unit being configured to use Cyclic Redundancy Check for detecting errors in the received frames. When no errors in a given frame are discovered on the basis of the Cyclic Redundancy Check, the processing unit is further configured to define a TSC, training sequence code, bit error rate for the bursts of the given frame on the basis of the training sequence symbols or the pilot symbols; to define an upper limit for the TSC bit error rate; and to determine the given frame to be bad when the TSC bit error rate for the bursts of the given frame is greater than the upper limit of the TSC bit error rate.

公开(公告)号：EP1780929A1

公开(公告)日：2007-05-02

申请号：EP05256607.2

申请日：2005-10-25

Applicant: BRITISH TELECOMMUNICATIONS public limited company

Inventor： The designation of the inventor has not yet been filed

IPC: H04L5/14 ,  H04L1/00

CPC classification number: H04L1/0009 ,  H04L1/0054 ,  H04L1/0071 ,  H04L1/201 ,  H04L1/206 ,  H04L27/2602

Abstract: Following a transmission comprising a plurality of symbols, an error measurement is generated for each symbol, so that one may distinguish between symbols having a relatively low error and symbols having a relatively high error. A bit rate to be used for subsequent transmission is determined as a function of error measurements of those symbols that have relatively low error. Measurement of the error rate and/or the durations of high and low error conditions may also be used to set other transmission parameters such as error-correcting code and interleaver settings.

Abstract translation: 以下一种变速器，包括码元的复数，为每个符号产生一个错误的测量，所以也可以一个具有相对高的误差具有相对低的错误符号和符号之间进行区分。 要用于后续传输是确定性的开采作为错误测量的那些符号中的一个功能thathave相对低的错误的比特率。 的错误率和/或高和低的错误情况的持续时间的测量因此可以被用于设置其它传输参数：诸如纠错码和交织器设置。

公开(公告)号：EP1573967A2

公开(公告)日：2005-09-14

申请号：EP02703799.3

申请日：2002-03-07

Applicant: Nokia Corporation

Inventor： GRAY, Steven, D.

IPC: H04L12/28

CPC classification number: H04W72/08 ,  H04L1/201 ,  H04W24/10 ,  H04W84/12

Abstract: Apparatus (38), and an associated method, for generating a message summary field (72). The message summary field (72) indicates whether 802.11-formatted data packets are communicated upon a frequency range to which a mobile station (12) operable in an IEEE 802.11 radio communication system (10) is tuned. An indicator (44) indicates whether an 802.11 data packet is detected. And, a reporter (56) generates a measurement summary (68) which includes a measurement summary field (72) populated with a value indicating the determination. Subsequent analysis of the value of the field (72) of the measurement summary (68) is utilized pursuant to dynamic frequency selection operations.