Post on 20-May-2018
Market Trend Market Trend –– Spectrum Refarming & InSpectrum Refarming & In‐‐band Combiningband Combining
Urban Suburban RuralX X
800MHZ
900MHZ
LTE
GSM
Urban Suburban Rural X X
900MHZ
1800MHZGSM / HSPA
HSPA
GSM / LTE
RF In-band
• Re‐farming use of 900MHz for UMTS and 1800 for LTE
2100MHZ
2600MHZ LTE
HSPA
UMTS (LTE)
Combiner
GSM• No significant interference in co‐existence with GSM/UMTS 900MHz or GSM/LTE 1800MHz• Need of antenna line re‐use & co‐siting for CAPEX & OPEX Saving • The desire of flexible & maximum utilization for re‐farming spectrum• The need of Fast & Easy site acquisition & roll‐out by re‐using existing sites and antenna line without change of BTS architecture
(LTE)
Strong Need for High Performance RF InStrong Need for High Performance RF In--band Combiner band Combiner
KMW Confidential Aug. 2011 │ KMW Inc. │ 2
CoCo‐‐siting by RF Insiting by RF In‐‐band Combining band Combining ‐‐ Technical IssuesTechnical Issues
Coverage
X X X
• Half Coverage‐ 3dB Loss
Size & Weight
C ti l
• Large Size• Heavy Weight
UMTS
4.2MHz 2.8MHz
Conventional Combiner
Large GB
• Large amount of Spectrum LossGSM
UMTS(LTE)
UMTS GB GSM
3MHz
g p‐ Guard Band of Min. 3MHz
KMW Confidential Aug. 2011 │ KMW Inc. │ 3
KMW InKMW In‐‐band Combiner band Combiner –– Innovative SolutionInnovative Solution
Guard Band• Full Spectrum Utilization• Minimizing Guard Bandvsvs
KMW CombinerKMW Combiner Conventional CombinerConventional Combiner
Guard Band • Minimizing Guard Band• < 1 MHz Guard Band
vsvs
Efficiency • Flexible re‐farming by narrow GBvsvsUMTS GSM UMTS GSM
Coverage• No Coverage impact by Co‐siting
(< 1dB Loss )vsvs
• Size reduction over 50%• Light WeightSize
& Weight
vsvs
KMW Confidential Aug. 2011 │ KMW Inc. │ 4
Key Technology Key Technology –– Triple Mode FilterTriple Mode Filter
Single resonance mode in a single pocket
Single Mode Filter
[ 1 resonance occur in 1 resonator ]
Generates one notch in three resonators
1 resonance occur in 1 resonator
Triple Mode Filter
Generates three distinctive resonances using the TE01δ mode as single mode filter.
Enables two additional TE01δ mode allowing the single cavity to function as three cavities
Triple Mode Filter
[ 3 orthogonal axes generating 3 equal resonance ]
Improve the performance (more than triple Q‐value) and small size
3 orthogonal axes generates 3 equal resonance
Usable Frequency
Frequency AvailabilityFrequency
[ Recapture guard band and turn to usable frequency ]
[ Conventional Filter ] [ Black Hole Filter ]
KMW Confidential
[ Recapture guard band and turn to usable frequency ]
Aug. 2011 │ KMW Inc. │ 5
Key Technology Key Technology –– Benefit of Triple Mode FilterBenefit of Triple Mode Filter
Reduced Size & Weight Significantly
Q Factor 20% Increased
Size WeightSingle Mode
‐ 4 resonators ‐Triple Mode ‐ 1 resonator ‐
Performance60%
Reduction
KMW InKMW In‐‐band Combiner using Triple Mode Technologyband Combiner using Triple Mode Technology
Insertion Loss : Typical < 0.5 dBLow Loss
Sharp
Reduced Size & Weight 60%; Increased Q‐Value up to 20%
Attenuation
Smaller & Lighter
Narrow
30dB Isolation between ports
Guardband < 1MHz
Fast site Acquisition
Single‐Mode Filter needs 8 resonators
But, Triple Mode Filter needs only 2Passive Product & Simple/Easy Installation
KMW Confidential Aug. 2011 │ KMW Inc. │ 6
KMW InKMW In‐‐band Combiner band Combiner –– Key ApplicationsKey Applications
Combine GSM Band + UMTS Band (or LTE)Ed All ti G d B d M 1MH
Combine New GSM Band & GSM Capacity ReallocationEd All i G d B d M 1MH
Application #1 – GSM/UMTS (or GSM/LTE) Application #2 – GSM/GSM
‐ Edge Allocation : Guard Band Max. 1MHz‐ Sandwich Allocation : Guard Band Min. 0.5MHz at Left & Right
‐ Edge Allocation : Guard Band Max. 1MHz‐ Sandwich Allocation : Guard Band Min. 0.5MHz at Left & Right
UMTS 900 (or LTE 1800)
GSM 900(or GSM 1800)
GSM 900(or GSM 1800)
UMTS 900 (or LTE 1800)
New GSM Channels(GSM 900 or GSM 1800)
Existing GSM 900(or GSM 1800)
Existing GSM 900(or GSM 1800)
GSM Capacity Reallocation(GSM 900 or GSM 1800)
Guard Band(Max.1MHz)
Guard Band(Max
Guard Band(Max.1MHz)
Guard Band(Max(or GSM 1800) (or LTE 1800)
Edge Allocation
(or GSM 1800) (GSM 900 or GSM 1800)
Edge Allocation
(Max.1MHz)
(Max.1MHz)
UMTS 900 (or LTE 1800)
GSM 900(or GSM 1800)
GSM 900(or GSM 1800)
New GSM Channels
(GSM 900 or 1800)
GSM 900(or GSM 1800)
GSM 900(or GSM 1800)
Guard Band(Min.
0.5MHz)
Guard Band(Min.
0.5MHz)
Guard Band(Min.
0.5MHz)
Guard Band(Min.
0.5MHz)
Sandwich Allocation Sandwich Allocation
KMW Confidential Aug. 2011 │ KMW Inc. │ 7
KMW InKMW In‐‐Band Combiner Band Combiner –– Product SummaryProduct Summary
[ KMW In[ KMW In‐‐Band Combiner ]Band Combiner ]
• < 1 MHz Guard Band in TotalX X• < 1dB Loss (No Coverage Impact)
• Passive Only (No LNA for loss compensation)• Ultra Light & Compact Design by Innovative Filter Technology• Future Proof 2T2R MIMO Application• Selectable Manual DC & AISG By‐pass
X X
Selectable Manual DC & AISG By pass• Any re‐farming spectrum available (900MHz, 1800MHz)
Single Unit Block Diagram ANT (Tx0/Tx1/Rx0/Rx1)
KMW KMW
3dB Hybrid 3dB Hybrid
Selectable DC / AISGbypassSwitch
KMW Combiner
KMW Combiner
T 1/R 1 Tx2/Rx2 T 3/R 3 Tx4/Rx4
Port 1 Tx/Rx (GSM)
yCoupler
yCoupler (option)
Port 0 Tx/Rx (UMTS or LTE)
DC/AISG Selectable Switch
Band Pass FilterUMTS
(LTE)GSM
Tx1/Rx1 Tx2/Rx2 Tx3/Rx3 Tx4/Rx4
( )
• 2T2R MIMO configuration for GSM‐UMTS (or LTE) & GSM‐GSM application (Two Single Units for X Pol Antennas)• Selectable Manual DC & AISG path (Optional per customer request)‐ Default : Port 0 – ANT (Can be switched to Port 1 ‐ ANT path by manual operation)
KMW Confidential Aug. 2011 │ KMW Inc. │ 8
KMW InKMW In‐‐Band Combiner Application 1 Band Combiner Application 1 ‐‐ GSMGSM‐‐UMTS CombiningUMTS Combining
Single Technology & Standard
Before GSM 900 (or GSM 1800) X X X
Combine Two Different Technologies & Standards with Narrow Guard
UMTS 900 GSM 900Guard Band
Combine Two Different Technologies & Standards with Narrow Guard
UMTS 900 (or LTE 1800)
GSM 900(or GSM 1800)
Band(Max.1MHz)
GSM 900(or GSM 1800)
UMTS 900 (or LTE 1800)
Guard Band(Max.
)
AfterCase1 KMW
CombinerKMW
Combiner
Guard
1MHz)
G d
[ Edge Allocation ]
UMTS
(LTE)GSM
Tx1/Rx1 Tx2/Rx2 Tx3/Rx3 Tx4/Rx4
Guard Band(Min.
0.5MHz)
UMTS 900 (or LTE 1800)
Guard Band(Min.
0.5MHz)
GSM 900(or GSM 1800)
GSM 900(or GSM 1800)
[ Sandwich Allocation ]
AfterCase2
(LTE)
KMW Confidential Aug. 2011 │ KMW Inc. │ 9
KMW InKMW In‐‐Band Combiner Application 2 Band Combiner Application 2 ‐‐ GSMGSM‐‐GSM CombiningGSM Combining
[ GSM‐GSM Co‐site Configuration ]
Newly Acquired Band
• Example # 1 : GSM Capacity Optimization by Newly Acquired Spectrum
X X X
Before After
• Example # 2 : GSM Cell & Coverage Reallocation by Spectrum Re‐farming
Need of Buffer Zone &No Freq. Reuse
(Eliminate interference b C ll )
KMW Combiner
KMW Combiner
Add New GSM TRX
Existing Old GSM BTS
Tx1/Rx1 Tx2/Rx2 Tx3/Rx3 Tx4/Rx4
Reallocate GSM channels i t d f LTE ( UMTS)
between Cells )
GSM TRX (BTS)(900 or 1800MHz)
instead of LTE (or UMTS)
KMW Confidential Aug. 2011 │ KMW Inc. │ 10
InIn‐‐band Combiner Specification band Combiner Specification –– 900MHz GSM/UMTS Type 2900MHz GSM/UMTS Type 2
* 900MHz In‐band Combiner Technical Specification ; 4.2MHz Bandwidth (Sandwich UMTS) & 5~15MHz Bandwidth (GSM)
Product Type900MHz In‐band Combiner (Type 2, Sandwich UMTS)
UMTS Path (4.2MHz BW) GSM Path (5~15MHz BW)
[ Outstanding Performance / Application ]UMTS Path (4.2MHz BW) GSM Path (5 15MHz BW)
Pass Band (Factory Tunable per Request)
Rx 4.2MHz (within 880~915MHz) Rx 5~15MHz (within 880~915MHz)
Tx 4.2MHz (within 925~960MHz) Tx 5~15MHz (within 925~960MHz)
Guard band width Min. 1 MHz (Each Left & Right 500KHz, See Spectrum/Tuning Example)
2 0dB 2 0dBInsertion Loss(500KHz Guard Case)
Rx< 2.0dB
(Typical : Edge 1.5dB, Mid 0.5dB)< 2.0dB
(Typical : Edge 1.5dB, Mid 0.5dB)
Tx< 2.0dB
(Typical : Edge 1.5dB, Mid 0.5dB)< 2.0dB
(Typical : Edge 1.5dB, Mid 0.5dB)
Port to Port Isolation > 30dB
R t L 18dB
• Enable to Co-site Antenna at GSM/UMTS 900 withNarrow Guard band (Max.0.5MHz at Left & Right)
[ Application ]
Return Loss > 18dB
Group delay Max. 530nS Max. 530nS
Intermodulation < ‐158 dBc. (@RX Band, With Tx Band 2 * 20 W)
Input Power (at same time) Average 100W Average 100W
• Low Insertion Loss (Mid-band 0.5dB, Edge 1.5dB)• Light & Compact Design (8Kg)• 2Tx & 2Rx MIMO per GSM and UMTS 900• Manual Selectable DC/AISG Signal Path
Lightning protection 5kA,10/350㎲
DC & AISG Path By Pass (Path selection Manual Switch)
Temperature ‐33 ~ +45 (Operational)
IP Grade IP66 (Indoor & Outdoor)
[ Spectrum / Tuning Example ]
925 927.4 932.6 935TxIP Grade IP66 (Indoor & Outdoor)
Weight / Volume Max. 8 Kg without bracket (6.15 Liters) for single unit
Connector & Mounting 7‐16 Female / Pole & Wall mounting available
Dimension (W×D×H) 329 x 269 x 68 mm for single unit
(excluding mounting brackets)
Exam
880 882.4 887.6 900Rx
Guard Band(Min.
0.5MHz)
UMTS 900 (4.2MHz)
Guard Band(Min.
0.5MHz)
GSM 900
GSM 900
KMW Confidential Aug. 2011 │ KMW Inc. │ 12
InIn‐‐band Combiner Specification band Combiner Specification –– 1800MHz GSM/LTE1800MHz GSM/LTE
* 1800MHz In‐band Combiner Technical Specification ; Max.15MHz Bandwidth (Edge LTE) & 5~20 Bandwidth (GSM)
Product Type1800MHz In‐band Combiner (Type 1, Edge LTE)
[ Outstanding Performance / Application ]
LTE Path (Max. 15MHz BW) GSM Path (5~20MHz BW)
Pass Band (Factory Tunable per Request)
Rx Max.15MHz (within 1710~1785MHz) Rx 5~20MHz (within 1710~1785MHz)
Tx Max. 15MHz (within 1805~1880MHz) Tx 5~20MHz (within 1805~1880MHz)
Guard band width Max. 1.0MHz (See Spectrum/Tuning Example)
Insertion Loss(1MHz Guard Case)
Rx < 1.6dB (typical 0.6dB @ mid‐band) < 1.6dB (typical 0.6dB @ mid‐band)
Tx < 1.6dB (typical 0.6dB @ mid‐band) < 1.6dB (typical 0.6dB @ mid‐band)
Port to Port Isolation > 30dB
• Enable to Co-site Antenna at GSM/LTE 1800with Narrow Guard band (Max.1MHz)
• Low Insertion Loss (Max. 1.6dB, Typical 0.6B @ mid-band)
[ Application ]
Return Loss > 18dB
Intermodulation < ‐158 dBc. (@RX Band, With Tx Band 2 * 20 W)
Input Power (at same time) Average 70W Average 70W
Lightning protection 5kA,10/350㎲
( , yp @ )• Extremely Light & Compact Design (Max.4Kg)• 2Tx & 2Rx MIMO per GSM and LTE 1800• Manual Selectable DC/AISG Signal Path
[ Spectrum / Tuning Example ]
DC & AISG Path By Pass (Path selection Manual Switch)
Temperature ‐40 ~ +55 (Non‐destruction)
IP Grade IP66 (Indoor & Outdoor)
1800 LTE(5MHz)
1800 GSM(19MHz)
Guard Band
(1.0MHz)Exam 1
1710
1805
1715
1810
1716
1811
1735
1830
Rx
Tx
Weight / Volume Max. 4.0 Kg without bracket for single unit
Connector & Mounting 7‐16 Female / Pole & Wall mounting available
Dimension (W×D×H) 190 x 122 x 102 mm for single unit
(excluding mounting brackets)
1800 LTE(15MHz)
1800 GSM(4MHz)
Guard Band
(1.0MHz)Exam 2
1745
1840
1749
1844
1750
1845
1765
1860
Rx
Tx
KMW Confidential Aug. 2011 │ KMW Inc. │ 15
KMW InKMW In‐‐band Combiner band Combiner ‐‐ ConclusionConclusion
• Cost Saving by re‐using & co‐siting with existing Site/Mast/Antenna Line • Minimize Re‐farming Network Investment & Valuable Spectrum Loss
Economical
Simple & Fast Roll‐out
• Passive only Product & Easy Installation (No need of TMA/Controller) • Simple & Fast Cell Optimization (Low Loss & No impact to Coverage)
Extended Use & Application
• Support Future Proof 2Tx / 2Rx MIMO Configuration• Applicable to both GSM‐UMTS(or LTE) & GSM‐GSM Application
Experience KMW’s ADVANCED TECHNOLOGY !!Experience KMW’s ADVANCED TECHNOLOGY !!
Maximize Re‐farming Spectrum Efficiency in Co‐siting & Combining
No Impact on Coverage & Throughput
Passive Only Product, Ultra Compact & Light Weight
Field & Commercial Proven Solution
KMW Confidential Aug. 2011 │ KMW Inc │ 19