下一代PON技术的进展与应用

doi:10.3969/j.issn.1000-0801.2010.08.001

Abstract

Chengbin Shen,Chengwei Wang,Ming Jiang,Bo Wang. Progress ＆ Application of Next Generation PON Technology[J]. Telecommunications Science, 2010, 26(8): 1-7.

Figures/Tables 5

References 17

1	ITU-T G.987.1. 10-gigabit-capable passive optical network（XG-PON）:general requirements, 2010
2	I TU-T G.987.2. 10-gigabit-capable passive optical networks （XG-PON）:physical media dependent（PMD）layer specification（for consent）, 2010
3	ITU-T G.984.5. Gigabit-capable passive optical networks（G-PON）:enhancement band, 2007
4	ITU-T TD 217. XG-PON transmission convergence layer specification, 2007
5	ITU-T TD 214. ONU management and control interface specification（OMCI）, 2010
6	IEEE802.3av.Carrier sense multiple access with collision detection （CSMA/CD）access method and physical layer specifications—amendment:physical layer specifications and management parameters for 10Gbit/s passive optical networks, 2009
7	10G PON开启光接入未来之门. 华为技术， 2010（48）
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描述	单位		低功率预算		中等功率预算		高功率预算
描述	单位	PRX10	PR10	PRX20	PR20	PRX30	PR30
光纤数	根				1
标称下行速率	Gbit/s				10.3125
标称上行速率	Gbit/s	1.25	10.3125	1.25	10.3125	1.25	10.3125
标称下行波长	nm				1 577
下行波长公差	nm				-2,+3
标称上行波长	nm	1 310	1 270	1 310	1 270	1 310	1 270
上行波长公差	nm	±50	±10	±50	±10	±50	±10
最大范围	km		≥10		≥20		≥20
最大通道插入损耗	dB		20		24		29
最小通道插入损耗	dB		5		10		15

	N1等级	N2等级	E等级
最小损耗	14dB	16dB	18dB
最大损耗	29dB	31dB	33dB

	10G-EPON	XG-PON1	XG-PON2
国际标准	IEEE802.3av于2009年9月正式发布	ITU-T G.987.1和G.987.2已发布， TC 层（G.987.3）和 OMCI（G.988）预计2010年年底基本定稿	该规格标准优先级有所降低，尚无时间表
上下行带宽	非对称：上行1Gbit/s，下行10Gbit/s；对称：上行10Gbit/s，下行10Gbit/s	上行2.5 Gbit/s，下行10 Gbit/s	上行10 Gbit/s，下行10 Gbit/s
光功率预算	有20dB、24dB和29dB 3种规格信道插损	N1等级：29dB N2等级：31dB E等级：33dB	未确定
MAC层协议	MPCP（略作扩展）	TC帧和GEM封装	未确定
OAM协议	物理层OAM（IEEE802.3）	PLOAM和OMCI	未确定
与现有PON系统的共存方式	上行TDM方式共存，下行WDM方式共存，10Gbit/s-10Gbit/s、10Gbit/s-1Gbit/s和1Gbit/s-1Gbit/s 3种类型ONU可以共存在一个PON接口下	上下行方向均为 WDM 方式共存。XG-PON1与GPON采用不同PON 口，用 WDM 器件分开两种速率的信号	不考虑与现有GPON的共存
芯片厂家	PMC、TK、Opulan、Cortina 已有较成熟的 FPGA方案，即将ASIC化	各厂商自己开发FPGA，专用芯片厂家已有路标	尚无产业链支持

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Progress ＆ Application of Next Generation PON Technology

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