面向5G/6G科研应用

威视锐5G/6G开发平台是在商用设备的基础上经过改进，专门用于5G/6G产品的原型开发与验证。该系统可以在实验室搭建一个真实的5G 网络，基于开源的代码，专为科研用户设计。

软件无线电架构，构建真实5G移动通信系统

采用了目前流行的异构式系统，融合了FPGA、ARM、GPU和x86多种处理器，支持单独升级和扩展，为算法评估提供强大算力支持。

高性能与灵活性的完美平衡

支持流行的开源5G项目，也可以运行商业5G协议栈，可用于搭建工业5G专网，实现云化管理。L1/L2/L3都可以二次编程，能支持FPGA级别的硬件编程和开发，充分发挥开发人员的主动性和创造力。

真正可编程移动通信系统

支持5G FR1频段，可以通过扩展组件，支持FR2（毫米波）频段，适用于6G平台开发，同时也兼容2G/3G/4G通信系统。如果需要覆盖距离元，也可以配合外部功放模块。

不仅符合5GNR规范，也支持全部2G/3G/4G频段,可以扩展未来6G频段

开源5G协议栈，代码全部开源

OpenAirInterface 5G-NR 特性：

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  • ·  Static TDD

    ·  FDD Normal CP

    ·  30 kHz subcarrier spacing

    ·  Bandwidths up to 80MHz (217 Physical Resource Blocks)

    ·  Intermediate downlink and uplink frequencies to interface with IF equipment

    ·  Single antenna port (single beam)

    ·  Slot format: 14 OFDM symbols in UL or DL

    ·  Highly efficient 3GPP compliant LDPC encoder and decoder (BG1 and BG2 supported)

    ·  Highly efficient 3GPP compliant polar encoder and decoder

    ·  Encoder and decoder for short blocks

  • ·  30KHz SCS for FR1 and 120 KHz SCS for FR2

    ·  Generation of NR-PSS/NR-SSS

    ·  NR-PBCH supports multiple SSBs and flexible periodicity

    ·  Generation of NR-PDCCH for SIB1 (including generation of DCI, polar encoding, scrambling, modulation, RB mapping, etc)

    ·  common search space configured by MIB

    ·  user-specific search space configured by RRC

    ·  DCI formats: 00, 10 (01 and 11 under integration)

    ·  Generation of NR-PDSCH (including Segmentation, LDPC encoding, rate matching, scrambling, modulation, RB mapping, etc).

    ·  Single symbol DMRS, DMRS-TypeA-Position Pos2,  DMRS configuration type 1

    ·  PDSCH mapping type A

    ·  NR-CSI Generation of sequence at PHY (under integration)

    ·  NR-PUSCH (including Segmentation, LDPC encoding, rate matching, scrambling, modulation, RB mapping, etc).

    ·  NR-PUCCH  

    ·  Format 0 (2 bits, mainly for ACK/NACK)  

    ·  Format 2 (up to 64 bits, mainly for CSI feedback)

    ·  NR-PRACH      Formats 0,1,2,3, A1-A3, B1-B3

    ·  Highly efficient 3GPP compliant LDPC encoder and decoder (BG1 and BG2 are supported)

    ·  Highly efficient 3GPP compliant polar encoder and decoder

    ·  Encoder and decoder for short block