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                      1. 您现在的位置:融合网首页 > 芯片 > 标准 >

                        TD芯片:不走寻常路

                        来源:中国电子报 作者:李映 责任编辑:韩杰 发表时间:2012-12-02 15:58 阅读:次
                        核心提示:因为终端芯片的开发技术复杂、研发成本高昂,受技术标准、技术指标、频谱规划等方面的影响非常大。国内芯片企业虽然找到了新的发力点,但其发展还需要产业环境这一“土壤”的培育。

                        CONGTD-SCDMADAOTD-LTE,YOUWOGUOZIZHUBIAOZHUNTUIDONGDETDCHANYEYIZOUGUOLE15NIANDEQUZHELICHENG。RUGUOSHUOZHEISHIYIBUZHESHEZHONGGUOMOUQIUZAIGUOJIDIANXINYEHUAYUQUANDEJUEXINHEXINXIN、BIAOMINGYIZIZHUCHUANGXINDETD-SCDMAJISHUZUOWEI3GFAZHANZHONGDAZHANLVEDEXIONGXINHEJUEXINDE“JIAOXIANGLE”,NEIXINPIANBIRANSHIQIZHONGDE“XIANLEQI”。TAYUTD “JIAOXIANGLE”YIQIDIEDANGQIFU,SHANGYANLEYICHUJIANGJIAOCUODELEZHANG。

                        发端:TD-SCDMA成芯片练兵场

                        JINGGUOTD-SCDMACHANYEFAZHANDEPEIYUXILIYIJI3GSHICHANGJINGZHENGDELILIAN,WOGUOXINPIANCHANYEZHUBUFAZHANZHUANGDA,XINPIANZHEIYIZHIYUETD-SCDMAFAZHANDEPINGJINGWENTIYEJIBENDEDAOLEGENBENJIEJUE。

                        CONGZUICHUTD-SCDMABIAOZHUNTUICHU,DAOHUODEGUOJIDIANXINLIANMENGQUEDINGWEI3GTONGXINBIAOZHUN,ZAIDAO3GPAIZHAODEFAFANG,TD-SCDMAWEIZHONGGUOZAI3GTONGXINSHIDAIZOUCHULE“ZIZHU”ZUIQIANGYIN,YIGAIGUOQUWOGUOMEIYOUZIJIDE2GBIAOZHUN、SHOUZHIYUOUZHOUBIAOZHUNGSMHEMEIGUOBIAOZHUNCDMADEBEIDONGJUMIAN。ERZHEIYIZIZHUBIAOZHUNDECHUANGLIWEIGUONEIXINPIANQIYETIGONGLEQIANZAINANFENGDECONGCHANPIN、RENCAI、JISHUQUANMIANLEIJIDEJIYU,WEIQIHOUXUDEYANJINDAXIALEFUBI。LIANFAKEJIZHONGGUOQUZONGJINGLIZHANGWEILIJIUDUI《ZHONGGUODIANZIBAO》JIZHEBIAOSHI,TD-SCDMASHIZHONGGUOZIYOUZHISHICHANQUANDE3GTONGXINBIAOZHUN,ZHEIJIZHONGGUOXINPIANQIYEDAILAILETESHUDEFAZHANJIYU。

                        DANZAITD-SCDMACHANYEFAZHANCHUQI,XINPIANKEWEIZHENGGECHANYELIANZHONGZUIBORUODEHUANJIE。YINWEIZHONGDUANXINPIANDEKAIFAJISHUFUZA、YANFACHENGBENGAOANG,SHOUJISHUBIAOZHUN、JISHUZHIBIAO、PINPUGUIHUADENGFANGMIANDEYINGXIANGFEICHANGDA。GUONEIXINPIANQIYESUIRANZHAODAOLEXINDEFALIDIAN,DANQIFAZHANHAIXUYAOCHANYEHUANJINGZHEIYI“TURANG”DEPEIYU。

                        ZHANGWEILIZHICHU:“ZAIXINPIANSHEJICHUQI,CHANYEHUANJINGDEDAJIANHEWANGLUOSHEBEISHIYANSHIDEHUANJINGJINKUAICHENGSHUSHIXINPIANCHENGSHUDEQIANTI。LINGWAI,XINPIANDEFAZHANLIBUKAICHANYEHUANJINGDECHENGSHU,HENDUOJISHUBIAOZHUNHEFANGXIANGYINGJIZAOQUEDING,YOULIYUXINPIANGUIGEDEZAORIQUEDINGHEJIAKUAIXINPIANDECHENGSHU。TONGSHI,YUNYINGSHANGDEYINDAODUIYUCHANYEHUADEGUIMOKUODAFEICHANGZHONGYAO,YUNYINGSHANGGUIMOHUACAIGOUHUIDAIDONGZHONGDUANJINERDAIDONGXINPIANCHANYEDEGUIMOHUAFAZHAN。”

                        楚雄棋牌CONGDANGSHIXINPIANJISHUCENGMIANLAISHUO,YIFANGMIAN,TD-SCDMAXINPIANXINGNENGXIANGDUIJIAORUO,CANYUQIYEDEJINGYANJILEIXIANGDUIBUZU,YINERDUILINGLIANGGE3GBIAOZHUNWCDMA、CDMA2000ERYAN,TD-SCDMAXINPIANDECHENGSHUDUHEYINGJIANZHIBIAODOUXIANGDUIQIANQUE。LINGYIFANGMIAN,DANGSHIZHONGGUOYIDONGYAOQIUSUOYOUDETD-SCDMADOUBIXUXIANGXIAJIANRONGGSM/EDGEWANGLUO,ZHEIDUIXINPIANJICHENGDUYAOQIUGENGGAO。CIWAI,YOUYUTD-SCDMAJISHU、SHEBEI、ZHONGDUANDENGYINSUYIJISHANGYEMOSHIHESHICHANGXUQIUDEYINGXIANG,3GPAIZHAOFAFANGWANYUYUQI,ZHEIRANGWANGYANYUCHUANDEXINPIANQIYECHANGDAOLEKUSEDEZIWEI,HEXINQIYEZHIYIKAIMINGJIUCIDAOBI,QITAQIYEYEZAIMIANLIZHICHENG。

                        DAN“SHOUDEQINGKAIJIANYUEMING”,ZI2009NIAN3GPAIZHAOFAFANGHOU,ZAIZHONGGUOYIDONGDEQIANGLITUIDONGXIA,JINGGUOCHANYELIANGEHUANJIEQIYEDEGONGTONGGONGJIAN,TD-SCDMAWANGLUODEJIANSHEHEYOUHUAJIBENWANSHAN。JINGGUOTD-SCDMACHANYEFAZHANDEPEIYUXILIYIJI3GSHICHANGJINGZHENGDELILIAN,WOGUOXINPIANCHANYEZHUBUFAZHANZHUANGDA,XINPIANZHEIYIZHIYUETD-SCDMAFAZHANDEPINGJINGWENTIYEJIBENDEDAOLEGENBENJIEJUE。2009NIAN11YUEKAISHI,TD-SCDMAZHONGDUANSHICHANGCHENGXIANBAOFASHIZENGZHANG,SHIDEXINPIANSHICHANGYERIYIHUOYUE。YIFANGMIANSHIZHANXUN、LIANXINKEJI、T3GDENGHEXINTD-SCDMAXINPIANQIYEFENFENJIAOCHUPIAOLIANGDECHENGJIDAN,LINGYIFANGMIANSHIZHUDUOXINPIANJUTOUXIANGJIJIARUTD-SCDMAXINPIANSHICHANG,Marvell、GAOTONGDENGYUANBENCHIGUANWANGTAIDUDEXINPIANJUTOUYEKAISHIKANHAOBINGBUJUZHEIKUAISHICHANG,CONGGENBENSHANGPANHUOLECIQIANYIZHIZAIDENGDAI“JIUSHU”DETD-SCDMAXINPIANSHICHANG。2010NIANSHANGBANNIAN,SANDATD-SCDMAXINPIANCHANGSHANGZONGTICHUHUOLIANGYIJINGCHAOGUOLIANGQIANWANPIAN,DAIDONGLEZHENGTITD-SCDMAXINPIANHEZHONGDUANDECHENGBENXIAJIANG。

                        行进:TD-LTE大发展引发新挑战

                        MUQIANTD-LTEZHONGDUANXINPIANZHENGZAICHAOZHEDAGUIMOSHANGYEHUAFAZHAN,DABUFENXINPIANCHANGSHANGKAIFADEXINPIANYEDOUYIJIEJINDAGUIMOSHANGYEHUADESHUIPING,MUQIANMIANLINDEWENTIZHUYAOTIXIANZAIDUOMOHUANJINGXIADEXINGNENG、GONGHAOHEWENDINGXINGFANGMIAN。

                        楚雄棋牌ZAI3GSHIDAI,SUIRANGUONEINULIXIANGBATD-SCDMABIAOZHUNTUIGUANGDAOHAIWAI,DANKUNNANZHONGZHONG。CIWAI,QIZAIGUONEIDEBUSHU、TUIGUANGYUYUQIMUBIAOHAIYOUYIDINGDECHAJU。ZHEYANYUXIANZHUANGJIGUOJISHANGFENGQIYUNYONGDETONGXINJISHUYANJINCHAO,WEIBAOZHENGTD-SCDMAZHANGQIKECHIXUFAZHAN,WOGUOYANJIUTICHULETD-SCDMAHOUXUYANJINJISHUTD-LTE,BINGNULIZHUDAOTUIDONGQICHENGWEI4GGUOJIBIAOZHUN。2012NIAN1YUETD-LTEZHENGSHICHENGWEI4GGUOJIBIAOZHUN,BUJINYOULIYUTD-LTEJISHUZAIQUANQIUDEJINYIBUTUIGUANG,YEWEIZHONGGUOYINLINGYIDONGTONGXINCHANYEDEFAZHANDAILAIQUANXINDEZHONGYAOJIYU。

                        楚雄棋牌DANZAIFAZHANTD-LTEDUIYEYAOXIQUZAI3GSHIDAIDEJINGYANJIAOXUN。ZAITUIJINTDCHANYEHUAJINCHENGZHONGFAHUIZHONGYAOZUOYONGDETDCHANYELIANMENGMISHUZHANGYANGHUAJIUZHICHU,YIDONGTONGXINFAZHANGUILVSHIYINGYONGYIDAI,TONGSHIZAIYANFAYIDAI,SUOYISHIBUDUANCHIXUYANFADEGUOCHENG。TD-LTEFAZHANYITUOTD-SCDMACHANYEDEFAZHAN,LIANGZHEHUWEIXIEDIAOFAZHAN。ZAITD-SCDMASHANGYOUYUYIJINGXINGCHENGLECHANYEHUADEZHENYING,WEITD-LTEDEFAZHANDIANDINGLEJISHI。WOMENYINGZHUAJINQIDONGTD-LTEBIAOZHUN,SHIZHIYUGUOJIZHENGGE4GQIDONGDESHIJIANDIANXIANGWENHE。TONGSHI,TONGGUOGUANGFANKAIZHANGUOJIHEZUODEFANGSHIJINXINGCHANYEHUATUIGUANG,TONGGUORONGHEDEFANGSHILAIGONGTONGTUIDONGTD-LTEFAZHAN。

                        JINNIANLAI,SUIZHEZHONGGUOYIDONGDAGUIMOTUIJINTD-LTEWANGLUOJIANSHE,YIWOGUOWEIZHUDAODETD-LTECHANYELIANJINRULEKUAICHEDAO,BUJINZAIGUONEIFAZHANRUHUORUTU,ZAIGUOWAIYEZAIXINGHUOLIAOYUAN,YISAOTD-SCDMAJINZAIGUONEI“KAIHUA”DEKUNJING。“TD-LTEZHENZHENGSHIXIANLEZAIQUANSHIJIEGEDIDOUYOUCAINA,WULUNSHIZAIOUZHOU、MEIGUO,HAISHIYAZHOUQITAGUOJIA,ZHEIBIAOMINGTD-LTEZHEIZHONGJISHUXINGTAISHOUDAOLEHENDAKENDING。TD-LTEWANQUANZOUCHULEGUOMEN,ZHEISHIYIGEHENDADEJINBU。”MarvellYIDONGCHANPINZONGJIANZHANGLUBIAOSHI。

                        LTESUIRAN“KANSHANGQUHENMEI”,DANYOUYUZHONGGUOYIDONGYOUYUYAOKAOLVXIANGXIAJIANRONGJIJIAQIANGHAINEIWAIBUSHUDEXUYAO,DUITD-LTEXINPIANYETICHULEDUOMODUOPINDENGZHUDUOTIAOZHAN。

                        章维力指出,一方面中国市场对于TD-LTE手机提出了更复杂的技术要求,因为在中国要考虑5模,欧美大部分地区只要3模就可以,多模带来了更高的技术要求和挑战。另一方面,相较于LTE FDD,TD-LTE与其他制式的互操作更有技术难点,因此TD-LTE多模芯片的成熟要晚于LTE FDD。(责任编辑:韩杰)

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