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US 8,286,047 B2Granted
Soft buffer memory configuration in a communication system
AssigneeNokia Corporation
InventorsXiang Guang Che, Asbjorn Grovlen, Bernhard Raaf, Przemek Czerepinski
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Abstract
In accordance with an embodiment of the present invention, an apparatus, comprising a processor configured to determine a total number of soft channel bits, a first number associated with hybrid automatic retransmit request processes and a second number associated with hybrid automatic retransmit request processes; and the processor further configured to select a size of a soft buffer memory partition based at least in part on the total number of soft channel bits, the first number associated with hybrid automatic retransmit request processes and the second number associated with hybrid automatic retransmit request processes, is disclosed.
Claims8
An apparatus, comprising:
- a processor configured to determine a total number of soft channel bits, a first number associated with hybrid automatic retransmit request processes and a second number associated with hybrid automatic retransmit request processes;
- and
- the processor further configured to select a size of a soft buffer memory partition based at least in part on the total number of soft channel bits, the first number associated with hybrid automatic retransmit request processes and the second number associated with hybrid automatic retransmit request processes;
- wherein the first number associated with hybrid automatic retransmit request processes comprises a maximum number of downlink hybrid automatic retransmit request processes and the second number associated with hybrid automatic retransmit request processes comprises a configured maximum number of hybrid automatic retransmit request processes;
- and
- wherein the size of the soft buffer memory partition is selected based at least in part on the following:
- N
- IR
- =
- ⌊
- N
- soft
- K
- MIMO
- ·
- min
-
- (
- M
- DL_HARQ
- ,
- M
- limit
- )
- ⌋
- Wherein NIR is the size of the soft buffer memory partition;
- Nsoft is the total number of soft channel bits;
- KMIMO is the maximum number of transport blocks transmittable to a user equipment in one transmission time interval;
- MDL—HARQ is the maximum number of downlink hybrid automatic retransmit request processes;
- and
- Mlimit is the configured maximum number of hybrid automatic retransmit request processes.
28 more elements
An apparatus, comprising:
- a processor configured to determine a total number of soft channel bits, a first number associated with hybrid automatic retransmit request processes and a second number associated with hybrid automatic retransmit request processes;
- and
- the processor further configured to select a size of a soft buffer memory partition based at least in part on the total number of soft channel bits, the first number associated with hybrid automatic retransmit request processes and the second number associated with hybrid automatic retransmit request processes;
- wherein the first number associated with hybrid automatic retransmit request processes comprises a maximum number of downlink hybrid automatic retransmit request processes and the second number associated with hybrid automatic retransmit request processes comprises a configured maximum number of hybrid automatic retransmit request processes;
- and
- wherein the size of the soft buffer memory partition is selected based at least in part on the following:
- N
- IR
- =
- ⌊
- N
- soft
- min
-
- (
- K
- MIMO
- ·
- M
- DL_HARQ
- ,
- M
- limit
- )
- ⌋
- Wherein NIR is the size of the soft buffer memory partition;
- Nsoft is the total number of soft channel bits;
- KMIMO is the maximum number of transport blocks transmittable to a user equipment in one transmission time interval;
- MDL—HARQ is the maximum number of downlink hybrid automatic retransmit request processes;
- and
- Mlimit is the configured maximum number of hybrid automatic retransmit request processes.
28 more elements
A computer-executable method, comprising:
- determining a total number of soft channel bits, a first number associated with hybrid automatic retransmit request processes and a second number associated with hybrid automatic retransmit request processes;
- and
- selecting a size of a soft buffer memory partition based at least in part on the total number of soft channel bits, the first number associated with hybrid automatic retransmit request processes and the second number associated with hybrid automatic retransmit request processes;
- wherein the first number associated with hybrid automatic retransmit request processes comprises a maximum number of downlink hybrid automatic retransmit request processes and the second number associated with hybrid automatic retransmit request processes comprises a configured maximum number of hybrid automatic retransmit request processes;
- and
- wherein the size of the soft buffer memory partition is selected based at least in part on the following:
- N
- IR
- =
- ⌊
- N
- soft
- K
- MIMO
- ·
- min
-
- (
- M
- DL_HARQ
- ,
- M
- limit
- )
- ⌋
- Wherein NIR is the size of the soft buffer memory partition;
- Nsoft is the total number of soft channel bits;
- KMIMO is the maximum number of transport blocks transmittable to a user equipment in one transmission time interval;
- MDL—HARQ is the maximum number of downlink hybrid automatic retransmit request processes;
- and
- Mlimit is the configured maximum number of hybrid automatic retransmit request processes.
28 more elements
A computer program embodied on a non-transitory computer-readable medium, the computer program configured to control a processor to perform a method comprising:
- determining a total number of soft channel bits, a first number associated with hybrid automatic retransmit request processes and a second number associated with hybrid automatic retransmit request processes;
- and
- selecting a size of a soft buffer memory partition based at least in part on the total number of soft channel bits, the first number associated with hybrid automatic retransmit request processes and the second number associated with hybrid automatic retransmit request processes;
- wherein the first number associated with hybrid automatic retransmit request processes comprises a maximum number of downlink hybrid automatic retransmit request processes and the second number associated with hybrid automatic retransmit request processes comprises a configured maximum number of hybrid automatic retransmit request processes;
- and
- wherein the size of the soft buffer memory partition is selected based at least in part on the following:
- N
- IR
- =
- ⌊
- N
- soft
- K
- MIMO
- ·
- min
-
- (
- M
- DL_HARQ
- ,
- M
- limit
- )
- ⌋
- Wherein NIR is the size of the soft buffer memory partition;
- Nsoft is the total number of soft channel bits;
- KMIMO is the maximum number of transport blocks transmittable to a user equipment in one transmission time interval;
- MDL—HARQ is the maximum number of downlink hybrid automatic retransmit request processes;
- and
- Mlimit is the configured maximum number of hybrid automatic retransmit request processes.
28 more elements
Dependencies are inferred from the claim text.