LTEȫ��չ��ý�չ

2012-4-6

ժҪ�� ��LTE��豸��նˡ�оƬ��Ӫ��״�ͷ�չ��ƣ��Ե��͵�LTE��г��˷��LTE��Ͳ�ҵ��Ӧ��һ��չ�ķ��򣬶Թ��ڵ�LTE��չ��˽��顣

�ؼ��ʣ� LTE��һ��ƶ�ͨ��磬�ƶ�ͨ��

1 ��

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��Ķ�LTE�ļ��ϵͳ��նˡ�оƬ��÷�չ��ȫ��λ��LTE��Ͳ�ҵ��Ӧ��һ��չ�ķ��򡣲��Թ��ڵ�LTE��չ��˽��顣

2 LTE��չ��

2��1�ƶ��չ

��ݴ��ƶ��ͨ�׵ػ��Ϊ3G��3.5G��3.9G��4G��ݽ�·��ͼ1��ʾ��

�Ӽ��չ��3G��4G��ݽ��ͨ��Ƶ�״��Ĳ��(��5 MHz��100 MHz)��߽׵��ƺ�MIMO��룬ʵ�ַ�ֵ��ʵ��Ϊ��Ӧ�ø��Ƶ�ף��й��ƶ�WiMAX�ľ��3GPP��R8�汾�ж��LTEʱ��OFDMA��ӵ�ǰӦ��ǰ��3��5G(��HSPA��Ev-Do)�Ѿ��ǹ�ģӦ�ý׶Σ��г��1/3��HSPA��Ӫ��ƽ��֧��64QAM��HSPA+��Ϊ3��9G��LTE�д��׶Σ�4G��Ǳ�׼�ƶ��׶Ρ�

�ӱ�׼�ļ��ָ��HSPA+��ܿ��LTE��⣬�ҿ��е�HSPA��ʵ��ƽ��ͳ��WCDMA/HSPA��Ӫ�̿��ѡ��ƽ��ݽ��HSPA+��൱��ʱ��ڱ��־��ʵ�ϣ�HSPA/HSPA+��Ϊ��ǰ�ƶ��Ӧ�õ��CDMA��Ӫ��Ev-Do Rev-A/Rev-B֮��ѡ��µļ��Ϊ��һ��ƶ��ݽ��ǣ��ƶ��Ƶ�CDMA��Ӫ(��Verizon WirelessΪ��)��ڴ��ƽ�LTE��ҵ��ȫ��LTE��ҵ����չ��LTE��Ϊһ��µ�ȫ��Ե��ƶ��Ӧ��HSPA+��ڹ��淢չ��

2��2��ҵ��չ

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��LTE�豸��̾��2010�귢��3GPPR8��ϵͳ�豸��ֳ��̽��2011��°��Ƴ��3GPP R9��ϵͳ�豸��Ӵ��֤��LTEϵͳ�豸�ѽ�Ϊ��ȶ��ﵽ��3GPP��׼��Ҫ�󡣵��֧��3G�Ļ��棬��д��Ӫ�̵Ľ�һ��ƶ��⣬LTEϵͳ��û��غ��ܣ�Ҳ�д��һ��֤��

2��2��2оƬ

Ŀǰ��õ�LTE�ն�оƬ��Ϊ65��45 nm CMOS��գ��Ӻĵ硢��Ⱥ��Ƕȷ��ݿ�Ӧ�õ��ҵ��Ϊ��Ҫ��ֳ��ն˵��Ҫ��ȴ�28��32 nm CMOS��յ�оƬʵ�֣��ͳɱ��նˣ��Ҫ18��22 nm��CMOS��[1]��ĿǰΨһ�Ƴ�LTE�ֳ��ն˵��г��ϣ��û��LTE�ն˵��ʹ��ʱ��̡��Vefizon Wireless�ٷ��վ�ϱ�Թ��ԱȱȽ��ǡ�LTEҪ��Ҫ��ն�оƬ��Ŀǰ��ƿ��

ҵ��ձ�Ԥ�⣬��28��32 nm��оƬ��ֳ��ն˿��ܻ��2012��°��Ƴ��ʱ��LTE��ģ��Ҫ��ƽ��á�

2��2��3�ն�

��GSAͳ�ƣ��2011��9�£�ȫ��LTE��ն�115���2��ΪTDD-LTE�նˣ�113��ΪFDD-LTE�նˡ��ܵ�ǰоƬCMOS��յ��ƣ��󲿷��ǽ��͵��նˣ��ݿ��·��ƽ��Եȡ��ֳ��ն��Ҫ��г��ϼ��Ƴ��5�ȫ��ΪCDMA/LTE��ģ�նˣ��Ԥ��г��Ħ��Droid Bionic��LG Revolution��DROID Charge��HTC ThunderBolt��Galaxy Indulge SCH-R910��

2��3��ý�չ

��忴��LTE��ȫ��ý�չ��¿��Է�Ϊ3��׶Ρ�

��1�׶Σ��2009��׿�ʼ��ŷ��Ӫ��TeliaSonera��Եط��˵�һ��LTE��磬��ʱֻ��һ��ȶ��LTE��ģ��ݿ��Ҳ��߱��3G�Ļ��Դ��ȫ��LTE��粿��ʱ�ڡ�

��2�׶Σ�2011��CDMA��Ӫ��Verizon Wireless��ģ��LTE��־��LTE��ʼ��ȫ��С��ģ��׶Σ��翪ʼ�߱��3G�Ļ��˶��ģ��ݿ��ն˺��ֳ��նˣ��ն�оƬCMOS��յ�Լ��ֳ��ն˵ĺĵ�ʹ��ʱ�䲻��õ��

��3�׶Σ��2013��ǰ��28 mmоƬ��û��ֳ��ն˵ĺĵ�ʹ��ʱ�佫�õ��Ż��2013��ͻ��5000��û��2014�꿪ʼ��ģ��ý׶Ρ�LTE��С��ģ��ý׶ε��ʼ��ڣ��Ҫ��ն�Ҳ��USB DongleΪ��Ҫ�ṩ��ʵ��ݽ��롣

��GSAͳ�ƣ��2011��8�µף�ȫ��18��/��26��LTE��Ͷ��á��Ƚ��д��Եİ��ŷ/��ŷ��պ��ȹ��Һ͵��Ծ��һЩ��͵��ŷ��÷����Ӫ�̵��ҵ��Ѹ�ͣ��߽��Դ��ѷ��ҳɱ��ϸߡ��ұ�ŷ�Ǵ�ͳ�豸�̰��ź�ŵ��ӵ��ܲ��ڵأ��µ�2��6 GHzƵ��ϲ��LTE��Ӧ��ҵ��ͬʱҲ��Ϊһ��Ͷ��豸��̹�ͬ��¼��ŷ�Ĵ�ͳWCDMA��ƽ��HSPA+�ݽ��LTE��ݽ��Ա��أ��¹�VodafoneҲ��ǽ�LTE��Ϊ��߿��ܸ��Ŀ��벹�䡣�պ��׷��ʹ��ҵ��ĸ߶��г��ƶ�ҵ��ң��Ҳ�䵱LTE��õ��ȷ档�ձ�DoCoM0��2010��׿�ʼ�ڲ��ֺ��ã��3��Ӫ��Ҳ��2011��á�Ȼ��Ӫ�̼��е��ƶ��Դ�ȽϷḻ��LTE��ø��ƽ��̬�ȣ��ʱ��ڲ��Ĺ�ģ��ޣ�ͨ��Ϊ�ֲ��ȵ�Ӧ�ã��ն��Ҳ��ݿ��Ƚ��ն�Ϊ��

3 ��г��LTE��ò��

��˵3G��պ��ŷ��г�ȡ�óɹ�[3]��LTE��Ϊ��г��˹�ģ��Ļ��2011�꣬��LTE��ʵ��ƶ��¼��Verzion Wireless��ģ��LTE��г��ЧӦ��Ӫ��֮��ļ��Ҿ��Ҳ��մٳ�LTE��ȫ��ǻ��ԭ֮�ơ�

Verizon Wireless��Verizonͨ�ź�Vodafone��ŵĺ��ʹ�˾��ڶ��ƶ��Ӫ�̣�Ҳ��ȫ��CDMA��Ӫ�̣�2003-2004�꿪ʼ��Ev-Do Re1��0��磬2007��ΪEv-Do Rev��A��硣��2008��Ƶ��У�Verizon Wireless��700 MHzƵ�ε�10 MHz��2��Ƶ�ס�Verizon Wireless�ھ��Sprint��AT&T��WiMAX��HSPA+֮�ʣ�Ϊ��CDMA��ҵ��ƣ��2��3��׼��2010��12��5��700 MHzƵ��Ƴ��LTE��÷��LTE��豸��Ӧ��Ϊ��źͰ��Ѷ��Ŀǰ�Ѳ��Լ2��վ��ȫ��165��к�111��Ҫ�Ļ��ȫ��߹�ģ��LTE��硣Vefizon Wireless��ȷ�ƻ�2011��ȫ��175��LTE��縲�ǣ�2012��и��ȫ��2/3��˿ڣ�2013��ʵ��ȫ��ǡ��⣬Veriozon Wireless��ڲ��ֳ��eHRPD��ʵ��LTE��3G��ҵ�񻥲��LTE��ҵ��ƹ��ϣ�VerzionҲ��Ĳ��2011��ƶ��(MWC)��չʾ�˻��LTE�ֻ��VoLTEҵ�񣮲��ƻ��2012��3��ʽ��ӪVoLTEҵ��

��HSPA+��AT&T��ھ��г��Ŀ��ǣ��2011��9��LTE��á��ڿ��HSPA/HPSA+��Ϊ�ṩ�ƶ��磬��LTE��ƻ�Զû��Veriozon Wireless��5��п�ͨ��ֱ�Ϊ��֥�Ӹ硢��˹��˹�ټ�ʥ��£��ƻ��2011��׿�ͨ15��е�LTE��

��ĵ�3��ƶ��Ӫ��Sprint��Ȼ��ȫ��70��WiMAX��ǣ��ƶ�WiMAX��ҵ�ľ�Ӫ�ͷ�չǰ��ѡ��VerZion Wireless��AT&T��ѹ��ܼ��LTE��üƻ��Ϣ��ͼ��ֱ�Ӳ��4G(LTE��advanced)��ú��ơ�

4 ��LTE��չ��ͽ��

�ӹ��3��Ӫ��3G�ľ��д��Ƶ��й��ƶ��Ϊ�ƶ�LTE��õ��ȷ棬��濴��ɴ��ľ��Թ��LTE��ҵ��г��ơ��ϸ��г��һЩ��ԵĲ�ͬ��Ӫ��LTE�ϵļ��Բ��óȻ��Ϊ�й��Ĳο��

��ȣ��й��3G�г��й��3Gҵ�񻹴��ڹ�ģ��õ��𲽽׶Σ��û��͸�ʲ��ߣ�ARPUֵƫ�ͣ��徭��ˮƽ��Ϣ��̶ȵ�Լ��ǰ��ڶ��һ��Զû��г�ǿ�ҡ�

��Σ��й��3G��Ϊ��½��Ӫ��迼�Ǳ��Ͷ�ʣ��û��Ե�ҵ��Ϳ�Ԥ�ڵ�Ͷ�ʻر��£��LTE��нϴ�ķ��ա�

�ٴΣ�TD-LTE��ҵ�ĳ��ʱ��Ҫ��LTE-FDD��Ŀǰ�ֹ۵�Ԥ��Ҳֻ�п��2013��Ž��׶Ρ�

��й��ƶ��Ӫ�̣��ڵ�ǰ�׶�Ӧ��3G��磬��3G�û�ҵ��飬��3G�û��͸�ʣ��δ��LTE��ó��LTE��LTE/3G��˫ģ�ն˲�ҵ��ʵ��LTE��3G��û��LTE��3G��ڹ��棬��̶ȵط��3G��ļ�ֵ[1]��

5 ��

�ƶ��ҵ��Ѹ�ͷ�չ��׼�ͼ��ݽ��LTE��Ϊ��һ��ƶ��ѡ��ھ��£�LTE��ȫ��Ѿ��ǰ��õ��Ļ��ģ��õ�ʱ��Ҳ�ѿ�Ԥ�ڡ�Ȼ��ڹ��Ӫ�̶��ԣ��ڷ�չLTE��ͬʱ��Ӧ��ע3G�Ľ�һ��չ��Ӧ�ã��ŷ��й��ƶ�ҵ��չ��״�Ͳ�ҵ��չ��ɡ�

�ο��ף�

1 ��CDMA��Ӫ��Ev-Do��LTE��淢չ��ݽ��ԣ��ſ�ѧ��2010��26(2)

2 GSA_evolution_to_LTE_report��WWW��GSACOM��COM

3 ��ΰ��3G��չ��ܽᣮ�й��Ž��裬2006��18(1)

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