Abstract
A method is provides in a receiving node for handling status information of data units transmitted from a sending node to the receiving node over a radio link. The receiving node establishes (401 ) that a number of data units that has been transmitted by the sending node are missing. The receiving node sends (402) a reduced status message to the sending node over the radio link which message is reduced such that it comprises the negative acknowledgement for a first part of missing data units and omits negative acknowledgements for the rest of the missing data units. The omitted negative acknowledgement for the rest of the missing data units will not erroneously be interpreted as correctly received data units by the sending node.
A method is provides in a receiving node for handling status information of data units transmitted from a sending node to the receiving node over a radio link. The receiving node establishes (401 ) that a number of data units that has been transmitted by the sending node are missing. The receiving node sends (402) a reduced status message to the sending node over the radio link which message is reduced such that it comprises the negative acknowledgement for a first part of missing data units and omits negative acknowledgements for the rest of the missing data units. The omitted negative acknowledgement for the rest of the missing data units will not erroneously be interpreted as correctly received data units by the sending node.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 25/09/2011 | ISLD-201109-020 | ERICSSON INC | No | Family Member | ||||
| 4G | 20/07/2014 | ISLD-201409-041 | OPTIS | No | Family Member | ||||
| 4G | 26/06/2017 | ISLD-201710-003 | OPTIS |
S1
S2
|
Yes | Family Member | |||
| 5G | 06/05/2020 | ISLD-202005-034 | PANOPTIS PATENT MANAGEMENT LLC | Yes | Family Member | ||||
Specification Information
Specification Information
Technologies
Family Information
| All Granted Patents In Patent Family : | ---- |
| All Pending Patents In Patent Family : | ---- |
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Yes | Family Member | |||
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Yes | Family Member | |||
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Yes | Family Member | |||
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Yes | Family Member | |||
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S2
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Yes | Family Member | |||
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S2
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Yes | Family Member | |||
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S2
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Yes | Family Member | |||
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Yes | Family Member | |||
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S2
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Yes | Family Member | |||
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S1
S2
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Yes | Family Member | |||
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No | Family Member | |||
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No | Family Member | |||
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S1
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No | Family Member | |||
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No | Family Member | |||
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Technologies
Resource configuration
Product
Use Cases
Wireless communication
Services
Claim
1. A method in a receiving node (120) for handling status information of data units or data unit segments "data units" transmitted from a sending node (1 10) to the receiving node (120) over a radio link (130), the method comprising the steps of: establishing (401) that a number of data units (2,3,4,6,7,8) that has been transmitted by the sending node (1 10) are missing, sending (402) a reduced status message to the sending node (120) over the radio link, which message is reduced such that it comprises the negative acknowledgement for a first part (2,3,4) of missing data units and omits negative acknowledgements for the rest (6,7,8) of the missing data units, which omitted negative acknowledgement for the rest (6,7,8) of the missing data units will not erroneously be interpreted as correctly received data units by the sending node (110).
2. Method according to claim 1 , wherein the negative acknowledgement for the first part (2,3,4) of missing data units comprised in the reduced status message is represented by as many negative acknowledgements as fitted in the reduced status message because of limited resources.
3. Method according to any of the claims 1-2, wherein the receiving node uses a receiving window and wherein the negative acknowledgement for the fist part (2,3,4) of the missing data units, are the missing data units which are closest to a lower edge of the receiving window.
4. Method according to claim 3, wherein a first special status message type is used for the reduced status message comprising the negative acknowledgement for the first part (2,3,4) of missing data units closest to a lower edge of the receiving window, the method comprising the further step of: sending (403) a second reduced status message to the sending node (120) over the radio link (130) using a second special status message type, the second reduced status message comprising at least one of the omitted negative acknowledgements for the rest (6,7,8) of the missing data units. 5 Method according to any of the claims 1-4, wherein the reduced status message positively acknowledges data units (1 ,5) up to but not including the first missing data unit for which a negative acknowledgement was omitted in the reduced status message
5 acknowledged in the reduced status message such that only negative acknowledged data units will be triggered to be retransmitted
5 6 Method according to claim 5, wherein the positively acknowledgement is performed by setting a ACK_SN field to the first missing data unit for which a negative acknowledgement was omitted in the reduced status message, meaning that data units with sequence numbers up to but not including the first missing data unit for which a negative acknowledgement was omitted, are acknowledged10 7 Method according to any of the claims 1-4, wherein the reduced status message comprises an indication that no correctly received data units (1 ,5,9,10) will be acknowledged in the reduced status message such that only negative acknowledged data units will be triggered to be retransmitted by the sending node (1 10)
8 Method according to claim 7, wherein a special format of the reduced status message 15 is the indication that no correctly received data units (1 ,5,9,10) will be acknowledged in the reduced status message
9 Method according to claim 8, wherein the field of acknowledgement in the reduced status message is not used for acknowledgement, but is instead used for a further negative acknowledgement
17. Method according to any of the claims 10-14, wherein the reduced status message comprises an indication that no correctly received data units (1 ,5,9,10) will be
18. Method according to claim 17, wherein a special format of the reduced status message is the indication that no correctly received data units (1 ,5,9,10) will be acknowledged in the reduced status message.10 19. Method according to claim 18, wherein field of acknowledgement in the reduced status message is not used for acknowledgement, but is instead used for a further negative acknowledgement.
20 10 A method in a sending node (110) for handling status information of data units or data unit segments "data units" transmitted from the sending node (1 10) to the receiving node (120) over a radio link (130), the method comprising the steps of transmitting (601) a stream of data units (1 ,2,3,4,5,6,7,8,9,10), over the radio link (130) to the receiving node (120), wherein the receiving node (120) correctly 25 receives some of the transmitted data units (1 ,5,9,10) but misses a number of the transmitted data units (2,3,4,6,7,8), and receiving (602) a reduced status message from the receiving node (120) over the radio link (130), which message is reduced such that it comprises the negative acknowledgement for a first part (2,3,4) of missing data units and omits negative 30 acknowledgement for the rest (6,7,8) of the missing data units, which omitted negative acknowledgement for the rest (6,7,8) of the missing data units will not erroneously be interpreted as correctly received data units by the sending node (110)', 'Method according to claim 10, wherein the negative acknowledgement for the first part (2,3,4) of missing data units comprised in the reduced status message is represented by as many negative acknowledgements as fitted in the reduced status message because of limited resources', 'Method according to any of the claims 10-1 1 wherein the negative acknowledgement for the fist part (2,3,4) of missing data units are the missing data units which are closest to a lower edge of a receiving window in the receiving node (120)', 'Method according to claim 12, wherein a first special status message type is used for the reduced status message comprising the negative acknowledgement for the first part (2,3,4) of missing data units closest to a lower edge of the receiving window, the method comprising the further step of receiving (603) a second reduced status message from the receiving node', '(120) over the radio link, wherein a second special status message type is used, the second reduced status message comprising at least one of the omitted negative acknowledgements for the rest (6,7,8) of the missing data units', 'Method according to claim 13, wherein reception of the reduced status message of the first special status message type allows the sending node (1 10) to advance the lower transmission window edge up to the first negatively acknowledged sequence number whereas the reduced status message of the second special status message type does not allow advancing the transmission window', 'Method according to any of the claims 10-14, wherein the reduced status message positively acknowledges data units up to but not including the data unit for which a negative acknowledgement was omitted in the reduced status message', 'Method according to claim 15, wherein the positively acknowledgement is performed by setting a ACK_SN field to the first missing data unit for which a negative acknowledgement was omitted in the reduced status message, meaning that data units with sequence numbers up to but not including the first missing data unit for which a negative acknowledgement was omitted, are acknowledged
20. Method according to any of the claims 10-19, wherein the sending node (110) uses a transmission window, comprising the further step of:15 moving a lower edge of the transmission window up to the lowest negatively acknowledged data unit.
21. An arrangement (500) in a in a receiving node (120) for handling status information of data units or data unit segments "data units", transmitted from a sending node (1 10) to the receiving node (120) over a radio link (130), the receiving node arrangement (500) 0 comprising: an establishing unit (510) configured to establish that a number of data units (2,3,4,6,7,8) that has been transmitted by the sending node (110) are missing, and a sending unit (520) configured to send a reduced status message to the sending node (120) over the radio link, which message is reduced such that it 5 comprises the negative acknowledgement for a first part (2,3,4) of missing data units and omits negative acknowledgements for the rest (6,7,8) of the missing data units, which omitted negative acknowledgement for the rest (6,7,8) of the missing data units will not erroneously be interpreted as correctly received data units by the sending node (110).
22. Method according to claim 21 , wherein the reduced status message positively acknowledges data units (1 ,5) up to but not including the first missing data unit for which a negative acknowledgement was omitted in the reduced status message.
23. Method according to claim 22, wherein the positively acknowledgement is performed by setting a ACK_SN field to the first missing data unit for which a negative acknowledgement was omitted in the reduced status message, meaning that data units with sequence numbers up to but not including the first missing data unit for which a negative acknowledgement was omitted, are acknowledged.
24. An arrangement (700) in a sending node (110) for handling status information of data units or data unit segments "data units", transmitted from the sending node (110) to the receiving node (120) over a radio link (130), sending node arrangement (700) comprising: a sending unit (710) configured to transmit a stream of data units (1 ,2,3,4,5,6,7,8,9,10), over the radio link (130) to the receiving node (120), wherein the receiving node (120) correctly receives some of the transmitted data units (1 ,5,9,10) but misses a number of the transmitted data units (2,3,4,6,7,8), and a receiving unit (720) configured to receive a reduced status message from the receiving node (120) over the radio link (130), which message is reduced such that it comprises the negative acknowledgement for a first part (2,3,4) of missing data units and omits negative acknowledgement for the rest (6,7,8) of the missing data units, which omitted negative acknowledgement for the rest (6,7,8) of the missing data units will not erroneously be interpreted as correctly received data units by the sending node (110).
25. Method according to claim 24, wherein the reduced status message positively acknowledges data units up to but not including the data unit for which a negative acknowledgement was omitted in the reduced status message.
26. Method according to claim 25, wherein the positively acknowledgement is performed by setting a ACK_SN field to the first missing data unit for which a negative acknowledgement was omitted in the reduced status message, meaning that data units with sequence numbers up to but not including the first missing data unit for which a negative acknowledgement was omitted, are acknowledged.']
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SUMMARY
ClaimChart-EP2241046A1-STO
Patent number:EP2241046A1
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.