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Changes between Version 4 and Version 5 of Old/WiMAX/17/01arq


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Timestamp:
Jun 24, 2011, 1:02:04 AM (9 years ago)
Author:
seskar
Comment:

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  • Old/WiMAX/17/01arq

    v4 v5  
    1 = ARQ Control  =
    2 Automatic Repeat reQuest is the MAC level data connection's error control mechanism.
     1== ARQ Control  ==
    32
    4 == ackproctime ==
    5 ACK proc time.
     3The functions in this service are used to set parameters of Automatic Repeat reQuest (ARQ) which is one of the MAC level data connection's error control mechanisms used by the basestation.
    64
    7 == blockltm ==
    8 ARQ block lifetime. This is the maximum time interval an ARQ block shall be managed by te transmitter ARQ state machine, once initial transmission of the block has occurred. If transmission (or subsequent retransmission) of the block is not acknowledged by the receiver before the time limit is reach, the block is discarded.
    9 
    10 == txackdelay ==
    11 Tx ACK delay. This is the time delay before receiver sends of an acknowledgement. Default: 100.
    12 
    13 == sltmo ==
    14 Sync loss timeout. This is the maximum time interval ARQ_TX_WINDOW_START or ARQ_RX WINDOW_START parameters can stay at the same value before declaring a loss of synchronization between transmitter and receiver.
    15 
    16 == dlvrorder ==
    17 Deliver in order on/off. This option tells received to forward SDUs in same order as sent by transmitter. Default: on
    18 
    19 == wsize ==
    20 Transmission window size.  This is the number of queued ARQ acknowledgement blocks at any given time for a connection. Default: 1024
    21 
    22 == rxpurgetmo ==
    23 RX purge timeout. This is the time interval the receiver shall wait after successful reception of a block that does not result in advancement of ARQ_RX_WINDOW_START value, before advancing to a new ARQ_RX_WINDOW_START.
    24 
    25 == enable ==
    26 Indicates if ARQ is enabled for connection. Default: false
    27 
    28 == rtmotx ==
    29 TX retry timeout. The minimum time interval a transmitter shall wait before retransmission of an unacknowledged block for retransmission. The interval begins when the ARQ block was last transmitted.
    30 
    31 == bloksize ==
    32 ARQ block size in bytes. Before transmission each SDU block is partitioned into a sequence of ARQ blocks of this size. Default: 1024
    33 
    34 == rtmorx ==
    35 RX retry timeout.
    36 
    37 
    38 = References =
    39 1) http://wiki.hsc.com/wiki/Main/WimaxArq
    40 2) http://www.simet.com.tr/documents/product/F83D610A-B7F6-ADBD-907AB9D8F8708319.pdf
    41 3) Performance Analysis of the IEEE 802.16 ARQ Mechanism. Sayenko, Tykhomyrov, Martikainen, Alanen.
    42 
     5The arq service has the following functions:
     6 
    437{{{
    448<service name="arq">
     
    8145</service>
    8246}}}
     47
     48== ARQ Functions ==
     49
     50=== ackproctime ===
     51ACK proc time.
     52
     53=== blockltm ===
     54ARQ block lifetime. This is the maximum time interval an ARQ block shall be managed by te transmitter ARQ state machine, once initial transmission of the block has occurred. If transmission (or subsequent retransmission) of the block is not acknowledged by the receiver before the time limit is reach, the block is discarded.
     55
     56=== txackdelay ===
     57Tx ACK delay. This is the time delay before receiver sends of an acknowledgement. Default: 100.
     58
     59=== sltmo ===
     60Sync loss timeout. This is the maximum time interval ARQ_TX_WINDOW_START or ARQ_RX WINDOW_START parameters can stay at the same value before declaring a loss of synchronization between transmitter and receiver.
     61
     62=== dlvrorder ===
     63Deliver in order on/off. This option tells received to forward SDUs in same order as sent by transmitter. Default: on
     64
     65=== wsize ===
     66Transmission window size.  This is the number of queued ARQ acknowledgement blocks at any given time for a connection. Default: 1024
     67
     68=== rxpurgetmo ===
     69RX purge timeout. This is the time interval the receiver shall wait after successful reception of a block that does not result in advancement of ARQ_RX_WINDOW_START value, before advancing to a new ARQ_RX_WINDOW_START.
     70
     71=== enable ===
     72Indicates if ARQ is enabled for connection. Default: false
     73
     74=== rtmotx ===
     75TX retry timeout. The minimum time interval a transmitter shall wait before retransmission of an unacknowledged block for retransmission. The interval begins when the ARQ block was last transmitted.
     76
     77=== bloksize ===
     78ARQ block size in bytes. Before transmission each SDU block is partitioned into a sequence of ARQ blocks of this size. Default: 1024
     79
     80=== rtmorx ===
     81RX retry timeout.
     82
     83
     84== References ==
     85
     86  1. http://wiki.hsc.com/wiki/Main/WimaxArq
     87  2. http://www.simet.com.tr/documents/product/F83D610A-B7F6-ADBD-907AB9D8F8708319.pdf
     88  3. Performance Analysis of the IEEE 802.16 ARQ Mechanism. Sayenko, Tykhomyrov, Martikainen, Alanen.
     89