Radio link failure reporting
First Claim
1. A method of communication, comprising:
- receiving, at a first access point, an access request from an access terminal, wherein the access request includes an identifier of the access terminal and an identifier of a second access point, wherein the second access point is a source access point of a handover for the access terminal;
receiving, at the first access point, an indication from the access terminal that a radio link failure occurred during the handover of the access terminal from the second access point; and
sending a dedicated radio link failure message from the first access point to the second access point, wherein the dedicated radio link failure message comprises the indication that the radio link failure occurred during the handover from the second access point, and wherein the dedicated radio link failure message is used to adapt one or more mobility parameters relating to handover performance at the second access point.
1 Assignment
0 Petitions
Accused Products
Abstract
A communication node determines that radio link failure occurred during connected state mobility of an access terminal and reports the radio link failure to another communication node. For example, a target access point may determine that radio link failure occurred during handover of an access terminal and send a radio link failure report message to the access point that was previously serving the access terminal or to some other node (e.g., a network node). In the first case, the serving access point may adjust mobility parameters based on this radio link failure information and, optionally, other reported radio link failure information. In the second case, the other node may send a radio link failure report message to the serving access point, or the other node may adjust mobility parameters based on this radio link failure information (and, optionally, other reported radio link failure information) and send the adjusted mobility parameters to the serving access point.
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Citations
45 Claims
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1. A method of communication, comprising:
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receiving, at a first access point, an access request from an access terminal, wherein the access request includes an identifier of the access terminal and an identifier of a second access point, wherein the second access point is a source access point of a handover for the access terminal; receiving, at the first access point, an indication from the access terminal that a radio link failure occurred during the handover of the access terminal from the second access point; and sending a dedicated radio link failure message from the first access point to the second access point, wherein the dedicated radio link failure message comprises the indication that the radio link failure occurred during the handover from the second access point, and wherein the dedicated radio link failure message is used to adapt one or more mobility parameters relating to handover performance at the second access point. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus for communication, comprising:
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a receiver configured to receive, at a first access point, an access request from an access terminal, wherein the access request includes an identifier of the access terminal and an identifier of a second access point, wherein the second access point is a source access point of a handover for the access terminal; a mobility controller configured to receive, at the first access point, an indication from the access terminal that a radio link failure occurred during the handover of the access terminal from the second access point; and a communication controller configured to send a dedicated radio link failure message from the first access point to the second access point, wherein the dedicated radio link failure message comprises the indication that the radio link failure occurred during the handover from the second access point, and wherein the dedicated radio link failure message is used to adapt one or more mobility parameters relating to handover performance at the second access point. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. An apparatus for communication, comprising:
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means for receiving, at a first access point, an access request from an access terminal, wherein the access request includes identifier of the access terminal and an identifier of a second access point, wherein the second access point is a source access point of a handover for the access terminal; means for receiving, at the first access point, an indication from the access terminal that a radio link failure occurred during the handover of the access terminal from the second access point; and means for sending a dedicated radio link failure message from the first access point to the second access point, wherein the dedicated radio link failure message comprises the indication that the radio link failure occurred during the handover from the second access point, and wherein the dedicated radio link failure message is used to adapt one or more mobility parameters relating to handover performance at the second access point. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. A computer-program product, comprising:
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a non-transitory computer-readable medium comprising code for causing a computer to; receive, at a first access point, an access request from an access terminal, wherein the access request includes an identifier of the access terminal and an identifier of a second access point, wherein the second access point is a source access point of a handover for the access terminal; receive, at the first access point, an indication from the access terminal that a radio link failure occurred during the handover of the access terminal from the second access point; and send a dedicated radio link failure message from the first access point to the second access point, wherein the dedicated radio link failure message comprises the indication that the radio link failure occurred during the handover from the second access point, and wherein the dedicated radio link failure message is used to adapt one or more mobility parameters relating to handover performance at the second access point. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45)
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Specification