TWI502929B - System and method for time compensation of signal - Google Patents
System and method for time compensation of signal Download PDFInfo
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本發明主要有關於訊號時序補償技術，特別係有關於根據一補償機制和一判斷機制分辨信號發送端發送信號順序之技術。The invention mainly relates to signal timing compensation technology, in particular to a technique for resolving the sequence of signal transmission by a signal transmitting end according to a compensation mechanism and a judging mechanism.
隨著網路技術越來越發達，利用網路傳輸資訊之應用也越來越普遍，當利用網路傳輸資訊時，若有多個接收端裝置回傳資訊至傳送端，傳送端需要知道那一筆資訊是最先回傳的，通常都是以傳送端收到回覆之每筆資訊之時間點進行判定，並不會考慮其餘外在因素。因此，當每一接收端裝置遭受到不同網路干擾，如網路訊號微弱或傳輸距離等原因，造成回覆訊號延遲時，將會使得傳送端判定出現不正確之結果。As network technologies become more and more developed, applications that use the network to transmit information are becoming more and more common. When using the network to transmit information, if multiple receiver devices return information to the transmitting end, the transmitting end needs to know that. A piece of information is sent back first, usually at the point in time when the sender receives each reply, and does not consider the remaining external factors. Therefore, when each receiving device suffers from different network interference, such as weak network signal or transmission distance, the delay of the reply signal will cause the transmitting end to determine that an incorrect result occurs.
有鑑於上述先前技術之問題，本發明提供了一種訊號時序補償系統和方法，可利用一公平性補償機制和一判斷機制，公平性地補償信號。In view of the above prior art problems, the present invention provides a signal timing compensation system and method, which can use a fairness compensation mechanism and a judgment mechanism to fairly compensate signals.
根據本發明之一實施例提供了一種訊號時序補償系統，適用於一網路傳輸環境，包括：複數接收端裝置，分別根據一測試封包回傳一第一回覆訊息，分別根據一訊息封包回傳一第二回覆訊息；一傳送端裝置，用以傳送上述測試封包以及上述訊息封包至上述接收端裝置，並記錄上 述接收端裝置回傳上述第一回覆訊息所分別經歷之一第一時間，以及回傳上述第二回覆訊息所分別經歷之一第二時間；一補償裝置，根據上述第一時間產生複數補償值；一判斷裝置，接收最早回覆之上述第二回覆訊息，並根據對應最早接收之上述第二回覆訊息之上述補償值產生一等待時間；以及一顯示裝置，若上述傳送端裝置於上述等待時間無接收到其他上述第二回覆訊息，上述顯示裝置即顯示對應上述等待時間之上述第二回覆訊息。According to an embodiment of the present invention, a signal timing compensation system is provided, which is applicable to a network transmission environment, and includes: a plurality of receiving end devices, respectively returning a first reply message according to a test packet, and respectively transmitting back according to a message packet a second reply message; a transmitting device for transmitting the test packet and the message packet to the receiving device, and recording Determining, by the receiving device, one of the first time of the first reply message, and returning the second time to the second time, and the second time; and the compensating device generating the complex compensation value according to the first time a judging device receiving the second reply message of the earliest reply, and generating a waiting time according to the compensation value corresponding to the second reply message received earlier; and a display device if the transmitting device is not in the waiting time Receiving the other second reply message, the display device displays the second reply message corresponding to the waiting time.
根據本發明之一實施例提供了一種訊號時序補償方法，適用於一網路傳輸環境，包括：利用一傳送端裝置傳送一測試封包至複數接收端裝置；利用上述接收端裝置回傳複數第一回覆訊息至上述傳送端裝置；根據回傳上述第一回覆訊息花費之複數第一時間，產生分別對應上述接收端裝置之複數補償值；利用上述傳送端裝置傳送一訊息封包至上述接收端裝置；利用上述接收端裝置回傳複數第二回覆訊息至上述傳送端裝置；判斷最早回傳之上述第二回覆訊息，並根據對應最早回傳之上述第二回覆訊息之上述補償值產生一等待時間；以及若上述傳送端裝置於上述等待時間無接收到其他上述第二回覆訊息，於一顯示裝置顯示對應上述等待時間之上述第二回覆訊息。According to an embodiment of the present invention, a signal timing compensation method is provided, which is applicable to a network transmission environment, including: transmitting a test packet to a plurality of receiving devices by using a transmitting device; and transmitting the first number by using the receiving device. Responding to the transmitting end device; generating a complex compensation value corresponding to the receiving device according to the first time of returning the first reply message; and transmitting, by the transmitting device, a message packet to the receiving device; Retrieving the plurality of second reply messages to the transmitting end device by using the receiving end device; determining the second reply message of the earliest return, and generating a waiting time according to the compensation value of the second reply message corresponding to the earliest backhaul; And if the transmitting device does not receive the other second reply message during the waiting time, displaying, by the display device, the second reply message corresponding to the waiting time.
第1圖係顯示根據本發明一實施例所述之訊號時序補償系統100之架構圖。如圖所示，根據本發明一實施例所述之訊號時序補償系統100，包括，一傳送端裝置110、複 數接收端裝置120A、120B、120C、一補償裝置130、一判斷裝置140、一顯示裝置150。傳送端裝置110係用以透過網路160傳送測試封包P1至接收端裝置120A、120B、120C，其中上述網路160可為一有線網路或一無線網路。接收端裝置120A、120B、120C在分別接收到測試封包P1後，回傳第一回覆訊息S1、S2、S3至傳送裝置110。傳送裝置110並記錄接收端裝置120A、120B、120C回傳第一回覆訊息S1、S2、S3所分別經歷之第一時間T1、T2、T3。在此特別說明，在此是以三個接收端裝置120A、120B、120C作說明，但並非用以限定接收端裝置之數量，在閱讀完說明書內容後，任何在本領域熟悉此技藝者，可以不同數量之接收端裝置達成本發明之功效。1 is a block diagram showing a signal timing compensation system 100 according to an embodiment of the invention. As shown in the figure, a signal timing compensation system 100 according to an embodiment of the invention includes a transmitting device 110 and a complex The receiving end devices 120A, 120B, and 120C, a compensating device 130, a judging device 140, and a display device 150. The transmitting device 110 is configured to transmit the test packet P1 to the receiving device 120A, 120B, and 120C through the network 160. The network 160 may be a wired network or a wireless network. After receiving the test packet P1, the receiving devices 120A, 120B, and 120C return the first reply messages S1, S2, and S3 to the transmitting device 110. The transmitting device 110 records the first time T1, T2, T3 experienced by the receiving device 120A, 120B, 120C for returning the first reply messages S1, S2, S3, respectively. Specifically, the three receiving devices 120A, 120B, and 120C are described herein, but are not intended to limit the number of receiving devices. After reading the contents of the manual, anyone skilled in the art can Different numbers of receiving devices achieve the effects of the present invention.
補償裝置130並根據第一時間T1、T2、T3產生補償值PT1、PT2、PT3。根據本發明一實施例，如第2圖所示，第2圖係顯示根據本發明另一實施例所述之訊號時序補償系統200之架構圖，訊號時序補償系統200更包括一定位裝置170，根據第一時間T1、T2、T3，可反向定位出傳送端裝置110和接收端裝置120A、120B、120C之距離關係，補償裝置130根據此距離關係，產生接收端裝置120A、120B、120C個別之補償值PT1、PT2、PT3。The compensation device 130 also generates compensation values PT1, PT2, PT3 based on the first time T1, T2, T3. According to an embodiment of the present invention, as shown in FIG. 2, FIG. 2 is a block diagram of a signal timing compensation system 200 according to another embodiment of the present invention. The signal timing compensation system 200 further includes a positioning device 170. According to the first time T1, T2, T3, the distance relationship between the transmitting end device 110 and the receiving end device 120A, 120B, 120C can be reversely located, and the compensating device 130 generates the receiving end devices 120A, 120B, 120C according to the distance relationship. Compensation values PT1, PT2, PT3.
在得知補償值PT1、PT2、PT3後，傳送端裝置110透過網路160傳送訊息封包P2至接收端裝置120A、120B、120C，接收端裝置120A、120B、120C分別在接收到訊息封包P2後回傳第二回覆訊息S11、S12、S13至傳送裝置110。傳送裝置110並記錄接收端裝置120A、120B、120C 回傳第二回覆訊息S11、S12、S13所分別經歷之第二時間T11、T12、T13。根據本發明一實施例，在此所述之訊息封包P2，可為具有有獎徵答題目、考卷內容或教師提問問題等資訊之封包，第二回覆訊息S11、S12、S13則可係指具有答題者答案或學生作答內容等資訊之封包。在此特別說明的是，接收端裝置120A、120B、120C不一定皆會回傳第二回覆訊息S11、S12、S13至傳送裝置110，舉例來說，當一有獎徵答進行時，接收端裝置120A、120B、120C之使用者不一定都會進行搶答。After learning the compensation values PT1, PT2, and PT3, the transmitting end device 110 transmits the message packet P2 to the receiving end devices 120A, 120B, and 120C through the network 160, and the receiving end devices 120A, 120B, and 120C respectively receive the message packet P2. The second reply message S11, S12, S13 is sent back to the transmitting device 110. Transfer device 110 and record receiving device 120A, 120B, 120C The second time T11, T12, T13 experienced by the second reply messages S11, S12, S13 respectively is returned. According to an embodiment of the present invention, the message packet P2 described herein may be a packet having information such as a prize questioning question, a test paper content, or a teacher question question, and the second reply message S11, S12, and S13 may refer to The answer to the answer to the answerer or the content of the student's answer. Specifically, the receiving end devices 120A, 120B, and 120C do not necessarily return the second reply messages S11, S12, and S13 to the transmitting device 110. For example, when a prize is answered, the receiving end Users of devices 120A, 120B, 120C do not necessarily have to answer.
判斷裝置140，接收最早回覆之第二回覆訊息，並根據對應最早接收之第二回覆訊息之補償值產生一等待時間資訊(圖未顯示)。若傳送端裝置110於等待時間資訊所對應之等待時間內無接收到其他第二回覆訊息，顯示裝置150即顯示對應此等待時間之上述第二回覆訊息。在此所述之等待時間係指補償值PT1、PT2、PT3中最大者和對應最早接收之第二回覆訊息之補償值之差值，舉例來說，若補償值PT1為三筆補償值中最大者，且第二回覆訊息S13是傳送端裝置110最早接收到之第二回覆訊息，等待時間即係指補償值PT1和對應第二回覆訊息S13之補償值PT3的差值。根據本發明一實施例，補償裝置130、判斷裝置140、顯示裝置150可整合於傳送端裝置110中。The determining device 140 receives the second reply message of the earliest reply, and generates a waiting time information (not shown) according to the compensation value corresponding to the second received reply message. If the transmitting device 110 does not receive the other second reply message within the waiting time corresponding to the waiting time information, the display device 150 displays the second reply message corresponding to the waiting time. The waiting time described herein refers to the difference between the maximum of the compensation values PT1, PT2, and PT3 and the compensation value of the second received reply message, for example, if the compensation value PT1 is the largest of the three compensation values. The second reply message S13 is the second reply message received by the transmitting end device 110, and the waiting time is the difference between the compensation value PT1 and the compensation value PT3 corresponding to the second reply message S13. According to an embodiment of the invention, the compensation device 130, the determining device 140, and the display device 150 can be integrated in the transmitting device 110.
根據本發明一實施例，若傳送端裝置110於等待時間內接收到其他第二回覆訊息，判斷裝置140即於等待時間結束前，判斷對應所接收之全部第二回覆訊息個別之第二時間和補償值之差值中最小者，並於顯示裝置150顯示對 應之第二回覆訊息，舉例來說，若於等待時間內傳送端裝置110接收到第二回覆訊息S11和第二回覆訊息S13，判斷裝置140即判斷對應第二回覆訊息S11之第二時間T11和補償值PT1之差值，以及對應第二回覆訊息S13之第二時間T13和補償值PT3之差值，何者差值比較小，若第二時間T13和補償值PT3之差值比較小，則於顯示裝置150顯示第二回覆訊息S13。根據本發明一實施例，判斷裝置140更用以產生一回覆排名，並於顯示裝置150顯示回覆排名，也就是說經過補償後，對於所有回傳第二回覆訊息之接收端裝置，進行回覆速度之排名。根據本發明一實施例，傳送端裝置110之使用者，亦可先根據所有第二回覆訊息是否為正確答案作篩選，再根據正確回傳之第二回覆訊息之接收端裝置產生一回覆排名，並於顯示裝置150顯示回覆排名。According to an embodiment of the present invention, if the transmitting device 110 receives another second reply message within the waiting time, the determining device 140 determines, before the end of the waiting time, the second time corresponding to all the received second reply messages. The smallest of the difference between the compensation values, and displayed on the display device 150 The second reply message, for example, if the transmitting device 110 receives the second reply message S11 and the second reply message S13 during the waiting time, the determining device 140 determines the second time T11 corresponding to the second reply message S11. The difference between the offset value PT1 and the difference between the second time T13 and the compensation value PT3 corresponding to the second reply message S13, which difference is relatively small, if the difference between the second time T13 and the compensation value PT3 is relatively small, then The second reply message S13 is displayed on the display device 150. According to an embodiment of the present invention, the determining device 140 is further configured to generate a reply ranking, and display the reply ranking on the display device 150, that is, after the compensation, the reply speed is performed for all the receiving devices that return the second reply message. Ranking. According to an embodiment of the present invention, the user of the transmitting device 110 may first filter according to whether all the second reply messages are correct answers, and then generate a reply ranking according to the receiving device of the second reply message that is correctly returned. And the display device 150 displays the reply ranking.
根據本發明一實施例，判斷裝置140亦可等待傳送端裝置110接收到全部第二回覆訊息S11、S12、S13後，再判斷將第二時間T11、T12、T13和其對應之補償值PT1、PT2、PT3之差值最小者，並於顯示裝置150顯示對應之上述第二回覆訊息。According to an embodiment of the present invention, the determining device 140 may wait for the transmitting device 110 to receive all the second reply messages S11, S12, and S13, and then determine the second time T11, T12, T13 and its corresponding compensation value PT1. The difference between PT2 and PT3 is the smallest, and the corresponding second reply message is displayed on the display device 150.
第3圖係顯示根據本發明一實施例所述之訊號時序補償方法之流程圖300。首先在步驟S310中，先利用一傳送端裝置傳送一測試封包至複數接收端裝置；在步驟S320中，利用上述接收端裝置回傳複數第一回覆訊息至上述傳送端裝置；在步驟S330中，根據回傳上述第一回覆訊息花費之複數第一時間，產生分別對應上述接收端裝置之複數 補償值；在步驟S340中，利用上述傳送端裝置傳送一訊息封包至上述接收端裝置；在步驟S350中，利用上述接收端裝置回傳複數第二回覆訊息至上述傳送端裝置；在步驟S360中，判斷最早回傳之上述第二回覆訊息，並根據對應最早回傳之上述第二回覆訊息之上述補償值產生一等待時間資訊；在步驟S370中，判斷上述傳送端裝置於上述等待時間資訊對應之一等待時間內是否接收到其他上述第二回覆訊息；在步驟S380中，若上述傳送端裝置於上述等待時間內無接收到其他上述第二回覆訊息，於一顯示裝置顯示對應上述等待時間之上述第二回覆訊息；在步驟S390中，若上述傳送端裝置於上述等待時間內接收到其他上述第二回覆訊息，判斷於上述等待時間結束前所接收之上述第二回覆訊息之上述第二時間和上述補償值之差值最小者，並顯示對應上述補償時間最小者之上述第二回覆訊息。FIG. 3 is a flow chart 300 showing a signal timing compensation method according to an embodiment of the invention. First, in step S310, a test packet is first transmitted to the plurality of receiving devices by using a transmitting device; in step S320, the first receiving message is returned to the transmitting device by using the receiving device; in step S330, The first time corresponding to the receiving device is generated according to the first time of returning the first reply message a compensation value; in step S340, transmitting, by the transmitting device, a message packet to the receiving device; in step S350, transmitting, by the receiving device, a plurality of second reply messages to the transmitting device; in step S360 Determining the first reply message of the earliest backhaul, and generating a waiting time information according to the compensation value of the second reply message corresponding to the earliest backhaul; in step S370, determining that the transmitting end device corresponds to the waiting time information Whether the other second reply message is received in one of the waiting times; in step S380, if the transmitting end device does not receive the other second reply message within the waiting time, the display device displays the corresponding waiting time The second reply message; in step S390, if the transmitting device receives the other second reply message within the waiting time, determining the second time of the second reply message received before the waiting time ends The difference between the compensation value and the above compensation value is the smallest, and the minimum compensation time is displayed. The second reply message.
在網路傳輸訊息時，當傳送端裝置需要知道接收端裝置回傳之訊息之先後順序，本發明所提出之訊號時序補償方法，可以克服接收端裝置回傳回覆訊息時，因網路訊號微弱或干擾等原因所造成之回覆訊息延遲而使得傳送端裝置判斷錯誤之問題。此外，本發明所提供之方法可應用於電子化教學，教師可利用此機制於網路進行測驗、搶答與學生互動，且不會因網路訊號微弱或干擾等原因所造成學生之回覆訊息延遲而使得傳送端裝置判斷錯誤之問題。When the network device transmits a message, when the transmitting device needs to know the sequence of the message returned by the receiving device, the signal timing compensation method proposed by the present invention can overcome the weak signal of the network when the receiving device returns the reply message. The delay of the reply message caused by interference or the like causes the transmitting device to judge the error. In addition, the method provided by the present invention can be applied to electronic teaching, and the teacher can use the mechanism to conduct tests, answer and student interaction on the network, and the response of the student is not delayed due to weak or interference of the network signal. The problem that the transmitting device determines the error.
本說明書中所提到的「一實施例」或「實施例」所提到的特定的特徵、結構或性質，可包括在本說明書的至少一實施例中。因此，在不同地方出現的語句「在一個實施 例中」，可能不是都指同一個實施例。另外，此特定的特徵、結構或性質，也可以任何適合的方式與一個或一個以上的實施例結合。再者，必須說明的是，以下所附之例圖僅是為了幫助說明，並未依照實際比例繪示。The specific features, structures, or properties mentioned in the "invention" or "embodiment" referred to in the specification may be included in at least one embodiment of the present specification. Therefore, the statements that appear in different places "in one implementation In the example, it may not all refer to the same embodiment. In addition, this particular feature, structure, or property may be combined with one or more embodiments in any suitable manner. In addition, it should be noted that the following illustrations are only for the purpose of explanation and are not drawn to the actual scale.
本說明書所揭露之實施例，對於任何在本領域熟悉此技藝者，將很快可以理解上述之優點。在閱讀完說明書內容後，任何在本領域熟悉此技藝者，在不脫離本發明之精神和範圍內，可以廣義之方式作適當的更動和替換。因此，本說明書所揭露之實施例，是用以保護本發明之專利要求範圍，並非用以限定本發明之範圍。The embodiments disclosed herein will readily appreciate the above advantages for anyone skilled in the art. After reading the contents of the specification, any person skilled in the art can make appropriate changes and substitutions in a broad manner without departing from the spirit and scope of the invention. Therefore, the embodiments disclosed in the present specification are intended to protect the scope of the claims of the present invention and are not intended to limit the scope of the invention.
100、200‧‧‧訊號時序補償系統100, 200‧‧‧ Signal Timing Compensation System
110‧‧‧傳送端裝置110‧‧‧Transport device
120A、120B、120C‧‧‧接收端裝置120A, 120B, 120C‧‧‧ receiving device
130‧‧‧補償裝置130‧‧‧Compensation device
140‧‧‧判斷裝置140‧‧‧Judgement device
150‧‧‧顯示裝置150‧‧‧ display device
160‧‧‧網路160‧‧‧Network
170‧‧‧定位裝置170‧‧‧ Positioning device
300‧‧‧流程圖300‧‧‧ Flowchart
P1‧‧‧測試封包P1‧‧‧ test package
P2‧‧‧訊息封包P2‧‧‧ message packet
PT1、PT2、PT3‧‧‧補償值PT1, PT2, PT3‧‧‧ compensation value
S1、S2、S3‧‧‧第一回覆訊息S1, S2, S3‧‧‧ first reply message
S11、S12、S13‧‧‧第二回覆訊息S11, S12, S13‧‧‧ second reply message
T1、T2、T3‧‧‧第一時間T1, T2, T3‧‧‧ first time
T11、T12、T13‧‧‧第二時間T11, T12, T13‧‧‧ second time
第1圖係顯示根據本發明一實施例所述之訊號時序補償系統100之架構圖。1 is a block diagram showing a signal timing compensation system 100 according to an embodiment of the invention.
第2圖係顯示根據本發明另一實施例所述之訊號時序補償系統200之架構圖。2 is a block diagram showing a signal timing compensation system 200 according to another embodiment of the present invention.
第3圖係顯示根據本發明一實施例所述之訊號時序補償方法之流程圖300。FIG. 3 is a flow chart 300 showing a signal timing compensation method according to an embodiment of the invention.
100‧‧‧訊號時序補償系統100‧‧‧ Signal Timing Compensation System
110‧‧‧傳送端裝置110‧‧‧Transport device
120A、120B、120C‧‧‧接收端裝置120A, 120B, 120C‧‧‧ receiving device
130‧‧‧補償裝置130‧‧‧Compensation device
140‧‧‧判斷裝置140‧‧‧Judgement device
150‧‧‧顯示裝置150‧‧‧ display device
160‧‧‧網路160‧‧‧Network
P1‧‧‧測試封包P1‧‧‧ test package
P2‧‧‧訊息封包P2‧‧‧ message packet
PT1、PT2、PT3‧‧‧補償值PT1, PT2, PT3‧‧‧ compensation value
S1、S2、S3‧‧‧第一回覆訊息S1, S2, S3‧‧‧ first reply message
S11、S12、S13‧‧‧第二回覆訊息S11, S12, S13‧‧‧ second reply message
T1、T2、T3‧‧‧第一時間T1, T2, T3‧‧‧ first time
T11、T12、T13‧‧‧第二時間T11, T12, T13‧‧‧ second time
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101118914A TWI502929B (en) | 2012-05-28 | 2012-05-28 | System and method for time compensation of signal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101118914A TWI502929B (en) | 2012-05-28 | 2012-05-28 | System and method for time compensation of signal |
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| Publication Number | Publication Date |
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| TW201349806A TW201349806A (en) | 2013-12-01 |
| TWI502929B true TWI502929B (en) | 2015-10-01 |
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| TW101118914A TWI502929B (en) | 2012-05-28 | 2012-05-28 | System and method for time compensation of signal |
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| TW (1) | TWI502929B (en) |
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| TWI620438B (en) * | 2015-08-12 | 2018-04-01 | 財團法人資訊工業策進會 | Method, device for calibrating interactive time in a live program and a computer-readable storage device |
Citations (5)
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|---|---|---|---|---|
| US20050002402A1 (en) * | 2003-05-19 | 2005-01-06 | Sony Corporation And Sony Electronics Inc. | Real-time transport protocol |
| TW200525974A (en) * | 2003-12-19 | 2005-08-01 | Intel Corp | Program clock synchronization in multimedia networks |
| TW200822646A (en) * | 2006-11-03 | 2008-05-16 | Mediatek Inc | Timing recovery method and system thereof |
| TW200922221A (en) * | 2007-09-26 | 2009-05-16 | Ibm | Method, system, and computer program product for adaptive congestion control on virtual lanes for data center ethernet architecture |
| CN1669290B (en) * | 2002-07-19 | 2010-04-28 | 皇家飞利浦电子股份有限公司 | Jitter compensation method for systems having wall clocks |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1669290B (en) * | 2002-07-19 | 2010-04-28 | 皇家飞利浦电子股份有限公司 | Jitter compensation method for systems having wall clocks |
| US20050002402A1 (en) * | 2003-05-19 | 2005-01-06 | Sony Corporation And Sony Electronics Inc. | Real-time transport protocol |
| TW200525974A (en) * | 2003-12-19 | 2005-08-01 | Intel Corp | Program clock synchronization in multimedia networks |
| TW200822646A (en) * | 2006-11-03 | 2008-05-16 | Mediatek Inc | Timing recovery method and system thereof |
| TW200922221A (en) * | 2007-09-26 | 2009-05-16 | Ibm | Method, system, and computer program product for adaptive congestion control on virtual lanes for data center ethernet architecture |
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