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CEVA offers the smallest and lowest power Wi-Fi IP platform, called RivieraWaves Stream, encompassing 802.11ac 4x4 MAC and Modem cores and platform. They are provided with LMAC (aka thinMAC, for use with linux/Android mac80211 UMAC) and LMAC+UMAC (aka FullMAC) software protocol stacks. The RivieraWaves Wi-Fi Stream platform can be used in a standalone single chip or integrated into a bigger System on Chip (SoC) such as application processor or network processor. The RivieraWaves Wi-Fi Stream platform is ideal for applications such as home gateway, hotspot, digital TV, Set Top Box, Over The Top, small cell. CPU agnostic, the RivieraWaves Wi-Fi Stream software protocol stacks can be executed on any CPU controller such as ARM, Cortus or others. It is also possible to use the CEVA TeakLite 4, with the additional benefit of executing in parallel audio processing or other always on sensor hub. Silicon independent, the RivieraWaves Wi-Fi Stream platform support several radio IPs from various partners such as Catena. Other RF can be easily supported on customer demand.


  • low MIPS requirement
  • high performance
  • scalable


  • Home gateway, hotspot, digital TV, Set Top Box, Over The Top, small cells

Tech Specs

Market SegmentWireless


  • 802.11a/b/g/n/ac MAC:
    • The RW-WLAN-11nac MAC core implements the 802.11a/b/g/n/ac standard with throughput up to 1.7Gbps for MIMO with 4 spatial streams. It also supports the 802.11e standard (QoS) and the 802.11i standard (Security) extensions.
    • RivieraWaves profound expertise in wireless communications resulted in the highly optimized MAC core with special focus on low memory and MIPS requirements while maintaining a small gate count. The MAC core interfaces to the ARM standard AMBA bus.
  • 802.11a/b/g/n/ac Modem:
    • The licensable and silicon independent RW-WLAN-11nac 802.11ac Modem core can be combined with the RivieraWaves RW-WLAN-11nac MAC IP to form high performance and cost effective 802.11a/b/g/n/ac solution. The supported features are:
      • Modulation Coding Schemes (MCS) from 0 to 9
      • 20MHz, 40MHz and 80MHz bandwidths
      • Support all antenna configurations from 2x2 to 4x4
      • Full implementation of OFDM processing up to the interface of the radio:
          • Scrambling
          • FEC coding and Viterbi decoding
          • Interleaving
          • FFT
          • Timing, phase and frequency synchronization
          • Channel estimation & compensation
        • CEVA-XC DSP based implementation for higher flexibility


  • hardware: verilog RTL, testbench, compilation, simulation and synthesis scripts
  • software: C
  • documents
  • test tool running on Windows

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