Lte mac layer parameter

  • Sunday, November 27 at 7:03PM
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Akash
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               MAC Layer Parameters

Tables in below sections summarize the set of proposed MAC Layer objects and parameters.

            RACH

This table contains parameters related to RACH configuration at the MAC level across the cell.

Parameter Name

Description

Valid Values

TDD/FDD

Applicable to HNB

numberOfRaPreambles

Number of non-dedicated random access preambles. Corresponds to parameter numberOfRA-Preambles specified in. Value n4 corresponds to 4, n8 corresponds to 8 and so on.

Enum{n4,n8,n12,n16,n20,n24,n28,n32,n36,n40,n44,n48,n52,n56,n60,n64}

 

This parameter is settable by the operator.

TDD/FDD

No

sizeOfRaGroupA

Number of non-dedicated random access preambles in Random Acces Preambles group A. Corresponds to parameter sizeOfRA-PreamblesGroupA Value n4 corresponds to 4, n8 corresponds to 8 and so on.

Enum{n4,n8,n12,n16,n20,n24,n28,n32,n36,n40,n44,n48,n52,n56,n60}

 

This parameter is settable by the operator.

TDD/FDD

No

messageSizeGroupA

Threshold for preamble selection in  Corresponds to parameter messageSizeGroupA specified Value in bits. Value b56 corresponds to 56 bits, b144 corresponds to 144 bits and so on.

Enum{b56, b144, b208, b256}

 

This parameter is settable by the operator.

TDD/FDD

No

messagePowerOffsetGroupB

Threshold for preamble selection in Corresponds to parameter messagePowerOffsetGroupB specified. Value in dB. Value dB5 corresponds to 5 dB and so on.

Enum{minusinfinity, dB0, dB5, dB8, dB10, dB12, dB15, dB18}

 

This parameter is settable by the operator.

TDD/FDD

No

powerRampingStep

Power increase factor between subsequent random access preamble transmissions. Value in dB. Value dB2 corresponds to 2 dB and so on. Corresponds to parameter.

Enum{dB0, dB2,dB4, dB6}

 

This parameter is settable by the operator.

TDD/FDD

No

preambleInitialReceivedTargetPower

This parameter denotes the baseline for computation of the transmit power for random access power transmission. Also used as a parameter in the criteria for preamble selection. Corresponds to parameter. Value in dBm. Value dBm-120 corresponds to -120 dBm and so on.

Enum{dBm-120, dBm-118, dBm-116, dBm-114, dBm-112,dBm-110,dBm-108,dBm-106,dBm-104,dBm-102,dBm-100,dBm-98,dBm-96,dBm-94, dBm-92,dBm-90}

 

This parameter is settable by the operator.

TDD/FDD

No

preambleTransMax

Maximum number of random access preamble transmissions

Enum{n3, n4, n5, n6, n7, n8, n10, n20, n50,
n100, n200}

 

This parameter is settable by the operator.

TDD/FDD

No

ResponseWindowSize

Denotes the duration of the random access response window. Corresponds to parameter ra-ResponseWindowSize Value sfn corresponds to n subframes.

Enum{sf2, sf3, sf4, sf5, sf6, sf7, sf8,sf10}

 

This parameter is settable by the operator.

TDD/FDD

No

ContentionResolutionTimer

Contention resolution timer. Corresponds to parameter mac-. Value sfn corresponds to n subframes.

Enum{sf8, sf16, sf24, sf32, sf40, sf48,sf56, sf64}

 

This parameter is settable by the operator.

TDD/FDD

No

maxHARQ-Msg3Tx

Maximum number of Msg3 HARQ transmissions by RRC.

int[1..8]

 

This parameter is settable by the operator.

TDD/FDD

No

 



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