SQN1220 mobile wimax system-on- chip for voice/data cpe and gateways applic a tions the SQN1220 delivers wireless broadband connectivity for portable, nomadic and fxed mobile wimax ? applications. it is designed specifcally for voice/data cpe, gateways, and personal hotspots. t he highest level of integr a tion in the w i max industry based on state of the art 65 nm technology and fve years of sequans proven feld experience, the SQN1220 delivers baseband and triple-band rf in a single diethe highest level of integration yet achieved in the wimax industry leading to unprecedented achievements in performance, power consumption, and size. h ighlights 65 nm, single die, baseband and rf embedded network cpu for voip/data cpe and gateways 10x10 package triple-band rf: 2.3-2.4, 2.5-2.7, 3.3-3.8 ghz dual independent channels downlink and uplink ? maximum likelihood mimo decoder on the downlink ? 2 tx with closed loop diversity on the uplink tdd and h-fdd ultra-low power < 350 mw (fully loaded mimo traffc) high throughput > 40 mbps mature, comprehensive, multi-platform software key benefits of SQN1220 v o ip a nd n et w or k ing applic a tions the SQN1220 features an embedded cpu for a high level of processing power, enabling the support of up to two voip channels and networking applications, and eliminating the need for an external dsp or cpu in most wimax cpe products. this cpu is open for customer applications, and operates on linux os, thus enabling simple integration of the customer networking stack. sequans also provides key applications such as eap supplicant, and oma-dm. adv a nced m i m o C mimo max ? SQN1220 features mimo max, sequans patent-pending, low-complexity mimo algorithm for maximum likelihood performance on the downlink and 2tx on the uplink for 2tx diversity and optional full 2x2 uplink mimo. d u a l t r a ns m it c h a nnels a nd c losed- l oop d iversity SQN1220 implements dual independent transmit chains with the worlds most advanced 2tx closed-loop diversity (2t-cld) algorithm, for signifcantly increased link budget, improved cell coverage, and superior mobile performance. 2t-cld delivers diversity gains well beyond single tx solutions and ensures the best diversity for any channel environment. these gains are achieved in a manner completely transparent to existing base stations. f uture-proof w ith t rue u plin k m i m o sequans 2tx capability allows for the added performance gains provided by uplink mimo via matrix a for those base stations that support it. only sequans, as the only provider of 2tx across its entire mobile station product line, can make this future-proof promise. l o w p o w er c onsu m ption in addition to the low power consumption enabled by its core 65nm architecture and mimo max technology, SQN1220 employs state-of-the-art power reduction techniques to further reduce power consumption. special care has been put on minimizing power consumption in standby mode to further 802.16e release 1.0 semiconductor solution mimomax, s 3 max, and sequans are trademarks or registered trademarks of sequans communications; wimax, mobile wimax, wimax forum certifed ar e trademarks or registered trademarks of wimax forum.
SQN1220 mobile wimax system-on-chip for voice/data cpe and gateways 802.16e release 1.0 semiconductor solution s equ a ns c o mm unic a tions batiment citicenter 19 le parvis de la dfense la dfense cedex 92073, paris france www.sequans.com +33.1.70.72.16.00 arm946 wimax-cpu wimax stack and drivers mii usb pcm dsp co-processor ethernet mac sdram controller pt a spi 802.16e mac rf dual rx rf dual tx 802.16e phy arm946 customer-cpu v oip/cust. appl wifi and/or bt flash/ ccprom wifi other spi devices mobile sdram slic 2xrx 2xtx extend the battery life of embedded devices. smart software algorithms optimize resource management for additional power reduction improvements. the SQN1220 consumes less than 350 mw of power with fully loaded mimo traffc and less than 0.5 mw in standby. h igh t hroughput SQN1220 delivers maximum theoretical throughput and the full line rate in all confgurations for a combined downlink/uplink throughput of more than 40 mbps. the SQN1220 supports h-arq up to cat 4. t riple- ba nd rf the SQN1220 supports all main international wimax bands: 2.3 to 2.4, 2.5 to 2.7 and 3.3 to 3.8 ghz. its advanced rf technology supports both tdd and half duplex fdd and features direct conversion architecture, on-chip calibration to remove dc offsets and optimize vco performance, and on-chip digitally- controlled agc for fast settling time f ull-fe a tured ma c la yer SQN1220s extremely effcient mac implementation is strategically partitioned between hardware and software to maximize available throughput and reduce power consumption. the software runs on an arm processor, providing fexibility, while the mac hardware acceleration greatly enhances system performance and throughput. complete support for mobility is provided, including handover, sleep mode, and idle mode. t he i ndustrys most m a ture s oft wa re pa c k a ge - s 3 max ? sequans comprehensive software package, s 3 max, is based on fve years of sequans proven feld experience. it is running in all major deployments around the world, making it the most mature solution in the global wimax ecosystem. s 3 max includes the entire 802.16e software stack and all drivers and host applications required for a complete wimax system. s 3 max also provides a full simulation and verifcation environment, which can be easily customized to address specifc needs. t he follo w ing figure depicts a typic a l a rchitecture for sqn 1210 p roduct c h a r a cteristics c hip p o w er c onsu m ption ? < 350 mw in active mode (fully loaded mimo traffc) ? < 0.5 mw in standby mode t hroughput ? > 40 mbps total dl + ul t riple- ba nd rf ? 2.3 C 2.4 ghz ? 2.5 C 2.7 ghz ? 3.3 C 3.8 ghz phy ? s-ofdma phy with 512 and 1024-point fft ? supports 2 rx antennas and 2 tx antennas ? dl mimo: mrc, matrix a + mrc, matrix b ? ul mimo: matrix a ? tx diversity: dual or single tx with advanced closed loop diversity algorithm (2t-cld) ? tdd with a confgurable ul/dl split ? h-fdd ? adaptive qpsk, 16qam and 64qam modulation ? fast feedback channel ? h-arq (up to cat4) ? fast scanning ma c ? layer-2 packet forwarding ? aes-ccm encryption ? pkmv2 privacy protocol ? real-time services ? concatenation, fragmentation, packing ? automatic repeat request (arq) ? payload header suppression (phs) ? advanced qos features ? optimized handover ? sleep mode ? idle mode da t a i nterf a ces ? mii ? sdio ? usb 2.0 (with integrated phy) ? usb hsic ? pcm me m ory i nterf a ces ? sdr/ddr mobile sdram ? spi fash/eeprom pa c k a ging ? 10 x10x1.1 mm vfbga package 4g innovation
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