Overview of 60 GHz TRX module Sample Clauses

Overview of 60 GHz TRX module. 5.1. 60 GHz TRX module diagram The ThoR system with 60 GHz module demonstrates wireless link that is compliant with terahertz standard, IEEE 802.15.3d, by employing an existing 60 GHz wireless system that is compliant with IEEE 802.15.3e, which shares same MAC architecture with IEEE 802.15.3d. Figure 2 shows general architecture of 60 GHz Transmitter-Receiver (TRX) module. TJX-TS2 Chip 60 GHz RF RF Rx CPU Power Circuit USB* Amp Mixer LNA WR-15 WG RF Local PLL 802.15.3e MAC &PHY 10GbE I/F SPF+ Amp Mixer PA Low Speed I/F UART SPI GPIO RF Tx EPROM Splitter Splitter *for power supply only Figure 2: 60 GHz TRX Module block diagram The 60 GHz TRX Module integrates a 60 GHz chip called TransferJet X(TJX) TS2 chip, which is the 2nd test chip of the next generation of TransferJet technology. This chip integrates 60 GHz RF which supports two channels of 2 GHz bandwidth over 60 GHz, IEEE 802.15.3e compliant MAC and Physical Layer (PHY), Central Processing Unit (CPU) and high speed 10 GbE Interface for transferring user data. A waveguide port on the module is used for connecting 60 GHz RF signal to up or down converters. TDD operation is employed in IEEE 802.15.3e MAC, so that both TX and RX shares same frequency channel. IEEE 802.15.3e MAC supports only P2P network topology. Two types of devices, parinet coordinator (PRC) and pairnet device (PRDEV), send data alternatively. Data packet received from 10GbE interface (I/F) is send to IEEE 802.15.3e MAC, then encapsulated to a MAC data frame. The data frame is encoded as a PHY data packet according to one of the modulations and coding scheme specified. Then Digital to Analogue Converter (DAC) converts this digitized data packet to analog BB signal. 60 GHz RF upconverts the BB signal to 60 GHz RF signal by a direct conversion Mixer combined with 60 GHz phase locked loop (PLL), then the RF signal is amplified by a power amplifier (PA) and transmitted through waveguide port. At receiver (Rx) side, RF signals are converted to 10GbE Data packet along with Rx side of data path. The module also has a capability of testing, such as sending test packet and monitoring errors. These features are enabled by a set of command through Universal Asynchronous Receiver/Transmitter (UART) or Serial Peripheral Interface (SPI).
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