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Spesifikasi xirka
Spesifikasi Chipset XIRKA untuk Fixed WiMAX (IEEE 802.16d-2004)
Spesifikasi Chipset XIRKA untuk Mobile WiMAX (IEEE 802.16e-2005)

Spesifikasi Chipset XIRKA untuk Mobile WiMAX (IEEE 802.16e-2005)

Aplikasi XIRKA menggunakan SPARC processor supaya lebih fleksibel ditunjang dengan MAC sebagai hardware yang memberikan akselerasi tinggi demi menunjang performa dan throughput. Channel bandwidth dapat men support sampai 10 Mhz.

PHY
Standard Compatibility : IEEE 802.16e-2005
Sub-carrier OFDMA : 1024 and 512 (reconfigurable)
DC Frequency  : 1
Channel Bandwidths : 5 and 10 MHz
Cyclic Prefix time Ratio : 1/4, 1/8, 1/16, 1/32
Forward Error Correction (FEC) : Concatenated Reed-Solomon, Convolutional Encoding,Randomization, Interleaving
Modulation : Adaptive (BPSK, QPSK, QAM16, QAM64)
Front End Uplink Interface : Dedicated Parallel port or internal DAC/ADC
Front End Downlink Interface : Dedicated Parallel port or internal DAC/ADC
Working Frequency : Below 11 GHz licensed band
Duplex  : Time division duplex (TDD)  or/and Half FDD
Typical applications : subscriber station (SS) and mobile station (MS)
High-performance modulation capabilities Flexible configuration for easy system
integration:
  not mentioned    

Data Interfaces
•  SDIO

External Interface
•  10/100 Ethernet MAC
•  USB 
•  Status LED
•  Debug JTAG
•  RS-232 ports

MAC
•  Real-time services
•  Concatenation, fragmentation, packing
•  Automatic repeat request (ARQ)
•  Payload header suppression (PHS)
•  IPv6, 802.3 Convergence Sub-Layers
•  Sleep and Idle mode power management support
•  BE & UGS QoS classes

Peripheral
•  GPIO (8)
•  unit UART
•  3 unit 32 bit Timers
•  JTAG  

System Block Diagram
AGC: Automatic Gain Control (receiver gain)
AFC: Automatic Frequency Control (from frequency synchronizer)
•  On-board power supplies (12V in)