Parallel Wireless Backhaul Design and · PDF filebackhaul: Fixed, Satellite, Wireless mesh Compact, ... backhaul that terminates on 3 of the 10 CWS, ... Parallel Wireless Backhaul

Parallel Wireless, Inc. Proprietary

Small Cell Backhaul

Design and

Technology

http://parallelwireless.com

1


Making carrier-grade cellular network

deployments as easy and cost-effective

as enterprise Wi-Fi

2

Our Vision


Solution ComponentsIntelligent Software Enabling Cost-effective Hardware

3

Standards based

Interoperable with 3rd

party eNodeBs

Carrier grade hardware

Enables:

-Self-configuration/Self-optimization of eNodeBs

-Resilience and Self-healing

-Backhaul Meshing and Ad hoc networking

4G/LTE and Wi-Fi Access

Built in Flexible backhaul: Fixed,

Satellite, Wireless mesh

Compact, rugged

IPsec to core tunnel

Carrier grade/fleet grade hardware

LTE Access

Controller (LAC)Resilient Mesh

eNodeBs (CWS)

Enables cost-

effective LTE

hardware to be

much more

capable


How the LAC and CWS Fit

4

PGW

PCRF

Operator EPC

HSS

MME

S1-US1-U/S1-AP

S1U/S1-AP

SGi

S1-MME

NFV + SDN

LTE Access

Controller

SGW

Mesh links

(n/NLOS)

X2, SON

X2, SON

X2

S1

Macro

eNodeB

CWS#1

CWS#2

Located on edge of the core

network (e.g. super sites)

Internet


RAN/Backhaul Key Elements

� SDN-enabled networking� Centralization for resource management and optimization

� Access side and EPC side virtualization

� Orchestration to create LTE ad hoc network

� NFV � Dramatic reduction in the number and cost of elements

� NFV of key functions to effectively orchestrate RAN

� Open and standardized approach� Interoperable with service provider’s existing network components

� Does not put additional capacity requirement on SP network

� Auto SON� Self-configuring, self-optimizing, self-healing RAN – real time

� CWS eNodeBs (LTE and Wi-Fi)� Integrated access and backhaul

� Flexible backhaul (LOS and NLOS)

, Inc.5


SDN Mesh = Integrated Edge Router

“SDN-driven backhaul could save carriers up to $9 billion

by 2017” (Strategy Analytics)

� CWS: access+ backhaul in the same form factor:

� 2X GigE, 2X built-in mesh radios, LTE macro

backhaul, custom

� Full-featured third generation mesh technology� Mesh is pure “multi-point” to “multi-point” link, i.e. there is no server

node, client node, etc.

� Multi-homed – any egress (wired or LTE) on a given node is available

to full mesh cluster. E.g. 10 meshed cluster of CWS has 3 Ethernet

backhaul that terminates on 3 of the 10 CWS, this backhaul is shared

among all 10 nodes.

� CWS can provide Ethernet backhaul to external devices as well e.g.

external Access Points, traffic camera etc.6


Transport Options

� Multiple Secure Transport Options

� Wired broadband

� LTE based backhaul

� Wireless mesh (NLOS, licensed and unlicensed spectrum),

with broadband

� Backhaul mesh interconnect with broadband

� Self-optimization and self-healing

� Loads re-balancing via SON capabilities

� Coverage Adjustment based on traffic and network needs

� Packet re-routing in case of a link failure

7

Parallel Wireless, Inc. Proprietary 8

Fiber

Mesh

Satellite

TVWS/SDR


Example - Rural Deployment –

What do we bring ?

� Simple quick Installation –

� 6 hours to install and commission one CWS

� 3 days to light up a rural community with cluster of 4 CWS

� Planning “Lite”

� Eliminates the backhaul Challenge

� Use what is available when it becomes available & aggregate all sources

� In Band 4G Backhaul

� Mesh Backhaul

� Fiber / DSL / ADSL

� Low cost of Operation

� 80W power consumption

� Standard domestic Supply

9


Rural HetNet Architecture

10

� CWS connect together via wireless mesh to form a CWS cluster

� Mesh is pure “multi-point” to “multi-point” link, i.e. there is no server node, client node, etc.

� Multi-homed – any egress (wired or LTE) on a given node is available to full mesh cluster

� The Cluster aggregates all backhauls available

� Each CWS supports two independent wireless mesh � can operate on multiple frequency and transmit /receive packets independent of each

other

� Each CWS is self-configured and self-managed via the LTE Access Controller

� Each CWS has an integrated GPS receiver location reporting and time sync

LTE Access

Controller

Private MNO

Internet

“Orchestration of

all CWS”

CWS #1 Gateway

node / backhaul

“donor”4G Macro

CWS #2

CWS #3

CWS #5 CWS #4

In Band backhaul 4G

Mesh

Wired

CWS cluster

orchestrated

via LAC

Public Internet

Core

Private MNO

Internet


How Solution Addresses Rural Coverage

Challenges

Challenges Parallel Solution

Cost: Need to spend as much on

low density rural network

infrastructure as for high density

urban areas

Reduced Cost:

eNodeBs are built from low cost commodity components

LAC runs on COTS hardware

Time and skill level to deploy Less time and lower skill level to deploy

Instant on auto SON for instant/plug-n-play deployment

On-going maintenance Hands free with SON � local community can manage itself

Backhaul � LAC enables mesh backhaul on CWS nodes, only a few require fixed backhaul

connections

� Two independent wireless mesh: can operate on multiple frequency and

transmit /receive packets independent of each other

� Nodes can daisy chain to each other to extend coverage

Power � Low power consumption

� Can run up to 24 hrs on car battery as a power back up.

Spike in Usage/traffic mitigation Optimize spike in usage due to season; special circumstances, time of day, etc.

SON on LAC auto optimizes resource usage

X2 brokering mitigation, ICIC, CoMP for great customer experience

Resilience: potential equipment

damage or vandalism in remote

locations

Monitor any potential equipment damage or vandalism in remote locations

Remote analytics

Self-healing SON

11


Multi-Radio Elastic Mesh Backhaul

12

CWS#1

CWS#6

CWS#2

CWS# 3CWS#4

CWS#5

CWS#7CWS#8

CWS#9CWS#10CWS#11

Rural Corridor

Long haul LOS

links using point

to point high

gain antenna

Mesh links

(n/NLOS)

� SDN mesh backhaul links can be configured for mesh deployment multi-point to

multi-point scenarios or long haul point to point links

� Only few CWSs need wired backhaul or LTE backhaul from macro


Ethernet

Backhaul

Mesh link

(n/NLOS)

Internet

LACS1

Mesh link

(n/NLOS)

Resilience: SDN Based Routing with LAC

Ethernet

Backhaul

To 3G

X

Traffic Rerouted

LTE

Backhaul

Severed fixed

backhaul link

Traffic re-routing

path via mesh


Thank You

14

Documents

Parallel Wireless Backhaul Design and · PDF filebackhaul: Fixed, Satellite, Wireless mesh Compact, ... backhaul that terminates on 3 of the 10 CWS, ... Parallel Wireless Backhaul