Method and apparatus for processing padding buffer status reports
First Claim
1. A method of constructing a medium access control protocol data unit (MAC PDU) to include a buffer status report (BSR), the method comprising:
- determining, in a processor, whether any padding bits are available in the MAC PDU;
if a number of padding bits is equal to or larger than a size of Short BSR plus its sub-header but smaller than a size of Long BSR plus its sub-header and if more than one Logical Channel Group (LCG) has buffered data, triggering the BSR; and
including the triggered BSR into the MAC PDU,wherein the MAC PDU contains a Logical Channel ID (LCID) field and the triggered BSR,wherein a format of the triggered BSR has 2 bits of Logical Channel Group ID (LCG ID) field and 6 bits of buffer size field, andwherein a value of the LCID field for the triggered BSR is different from a value of the LCID field for the Short BSR.
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Abstract
A method and system for processing buffer status reports (BSRs) such that when BSR triggering is performed, the size(s) of the necessary sub-header(s) are also to be considered together in addition to the BSR size. The steps of checking whether any padding region is available in a MAC PDU that was constructed, comparing the number of padding bits with the size of the BSR plus its sub-header, and if the number of padding bits is larger than the size of the BSR plus its sub-header, triggering BSR are performed. Doing so allows the sub-header(s) to be inserted or included into the MAC PDU or transport block (TB) or other type of data unit.
20 Citations
10 Claims
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1. A method of constructing a medium access control protocol data unit (MAC PDU) to include a buffer status report (BSR), the method comprising:
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determining, in a processor, whether any padding bits are available in the MAC PDU; if a number of padding bits is equal to or larger than a size of Short BSR plus its sub-header but smaller than a size of Long BSR plus its sub-header and if more than one Logical Channel Group (LCG) has buffered data, triggering the BSR; and including the triggered BSR into the MAC PDU, wherein the MAC PDU contains a Logical Channel ID (LCID) field and the triggered BSR, wherein a format of the triggered BSR has 2 bits of Logical Channel Group ID (LCG ID) field and 6 bits of buffer size field, and wherein a value of the LCID field for the triggered BSR is different from a value of the LCID field for the Short BSR. - View Dependent Claims (2, 3, 4, 5)
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6. A protocol entity of a mobile terminal comprising:
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a checking unit that checks whether any padding bits are available in a medium access control protocol data unit (MAC PDU); and a processing unit that cooperates with the checking unit to perform steps of; triggering a Buffer Status Report (BSR), if a number of padding bits is equal to or larger than a size of Short BSR plus its sub-header but smaller than a size of Long BSR plus its sub-header and if more than one Logical Channel Group (LCG) has buffered data; and including the triggered BSR into the MAC PDU, wherein the MAC PDU contains a Logical Channel ID (LCID) field and the triggered BSR, wherein a format of the triggered BSR has 2 bits of Logical Channel Group ID (LCG ID) field and 6 bits of buffer size field, and wherein a value of the LCID field for the triggered BSR is different from a value of the LCID field for the Short BSR. - View Dependent Claims (7, 8, 9, 10)
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Specification