a r long term evolution (lte)a report on long term evolution (lte) patent portfolio in india...
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A REPORT ON LONG TERM EVOLUTION (LTE)
PATENT PORTFOLIO IN INDIA
INTRODUCTION
IIPRD is an established and well-known Intellectual Property Consulting and Licensing Firm based in
India (Delhi, Bangalore, and Pune) and US, with a diversified yet IP focused business practice
providing services to Global Corporates, Litigation and Prosecution Firms, Licensing Firms, and allied
Entities.
IIPRD conducts various kinds of activities apart from providing services and training to the clients, to
keep ourselves as well others knowledgeable and competitive in the current market scenario. These
kinds of activities also provide insight to the every ongoing process and changes taking place in the
world of technology. IIPRD takes initiative and provides full scale report to readers in different
aspects.
To provide better understanding and scope towards different aspects of patents, IIPRD conducted an
exemplary study on Long Term Evolution (LTE) in India, which is one the fastest growing
technological trend in telecommunication sector. The following paper provides better understanding
about LTE. Let us first understand what led to the study of LTE.
NEED FOR CONDUCTING STUDY ON LTE:
Enforcement of standard-essential patent (SEP) is rapidly increasing in Asia. Recently there was a
case of Ericsson that sued local player Micromax over standard essential patent (SEP) enforcement.
In the case of Swedish based telecom giant Ericsson v/s Micromax, the Delhi High Court ordered
Micromax to pay up to 2 percent revenue earned from the sales of each disputed device to the
court. Ericsson in its litigation filed in the court has claimed that Micromax refused to make a license
pact for patents rights usage regarding wireless technology standard innovations such as 3G, GSM
(Global System Mobile communications) and EDGE (Enhanced Data rates for Global Evolution) and
pressed for a ₹100 crore fine against the company as patent infringement damages. Further, Delhi
High Court also granted permission to Ericsson officials to join the customs department and check
Micromax's devices that are suspected of patent violation. Some of the disputed devices include
Micromax Funbook tablets series, Ninja and Canvas 2 smartphone series.
Micromax rejected the charges saying that "Micromax is committed to negotiating a FRAND (Fair,
Reasonable and Non-discriminatory) license with Ericsson as has Ericsson undertaken to providing a
FRAND license to Micromax. Since the matter is pending before the honorable court, it would be
incorrect for Micromax to make any further statements on the matter."
The interim order from the court is not the result of any FRAND determination by the court but may
merely be based on Ericsson's demands. A deposit (presumably to avoid injunctive relief) is not a
final resolution of a case. The order mentions that products had been held up at customs over
Ericsson's claims and will be released now, and the deposit has the purpose of allowing Micromax to
keep importing and selling. The parties shall negotiate for a month. If they can't agree, the dispute
over royalty rates will be referred to a mediator.
Intellectual property enforcement is critical to the growth prospects of emerging economies,
including foreign companies' IP. India does not have the best reputation so far when it comes to
patent protection. By comparison, China is widely considered to be far more advanced in that field
than India. But for a jurisdiction in which IP enforcement is just developing, SEPs -- which are the
intersection of IP and antitrust laws -- pose a particular challenge. The local players in those
economies generally lack patents to countersue over (Indian companies also file far fewer patents
abroad than, for example, their Chinese counterparts), and probably don't own any wireless SEPs.
Further, Ericsson also accuses Samsung of FRAND violations over LTE or wireless SEPs.
Thus, understanding “what LTE is?” is important and therefore we conducted study on LTE in India.
WHAT IS LTE:
There has always been a promising demand for faster data transmission with unprecedented
penetration of smart phones and tablets in both the developed and developing economies all across
the world. This need has exponentially increased with ever-increasing processor speeds in mobile
devices and expected evolution of cloud computing. Also the Strategy Analytics forecasts that
demand for data traffic will grow by 10-12 times by 2015. Therefore, there is a perpetual
requirement for technologies that support faster transmission. Even though global expansion of 3G
networks continue to drive this decade, upgrade from 3G to 4G is inevitable as need for more
efficient data transmission becomes a necessity.
Long Term Evolution (LTE) is a mobile communication standard for communicating the data with
high speed. The wireless communication standard is marketed as 4G LTE for mobile phones and data
terminals. LTE is based on technologies like EDGE (Enhanced Data Rates for GSM Evolution), UMTS
(Universal Mobile Telecommunications System), and High Speed Packet Access (HSPA) on GSM
(Global System for Mobile Communications) standards. The motto is to increase the speed and
capacity and these features can be further improved by enhancing the features of radio interference
along with core network. LTE standard is developed by 3rd Generation Partnership Project (3GPP),
where it specified in its Release 8 document series and specified the advanced standards in its
Release 9. Although marketed as a 4G wireless service, LTE as specified in the 3GPP Release 8 and 9
document series does not satisfy the technical requirements the 3GPP consortium has adopted for
its new standard generation, and which were originally set forth by the ITU-R organization in its IMT-
Advanced specification. In general, LTE standard addresses the upgrading 3G UMTS to what will
eventually be 4G mobile communications technology. LTE uses evolved UMTS Terrestrial Radio
Access (E-UTRA) as air interface, orthogonal frequency-division multiple access (OFDMA) for
downlink and Single-carrier frequency-division multiple access (SC-FDMA) for uplink to conserve
power. LTE standard supports for Frequency Division Duplex (FDD), Time Division Duplex (TDD)
communication systems and half-duplex FDD with the same radio access technology as well. The LTE
standard can be used with many different frequency bands. As a result, phones from one country
may not work in other countries. Users will need a multi-band capable phone for roaming
internationally.
The structure of LTE is given below in Fig. 1.
ADVANCED LONG TERM EVOLUTION:
LTE-A, a mobile communication standard, is one of the major technologies for 4G standards that has
been set by the Third Generation Partnership Project (3GPP) as a major upgrade from the Long Term
Evolution (LTE) or 3G. The enhancements from the 3G technology are mainly in the form of
increased peak data rates, more spectral efficiency, reduced latency and increased throughput. The
main features that advanced LTE can offer are:
Enhanced data transfer
High spectral efficiency
Better power management
Increased communication reliability
Improved network coverage, deployment, and security
The architecture of Advanced LTE is given below:
Now after understanding LTE, let us formulate the strategy for conducting study on LTE. The
following steps were involved in our study:
1. SEARCHING PATENT DATABASES USING KEYWORDS:
Patent search engines or patent databases are used for searching patents. A key word or phrase that
will theoretically produce a list of all patents is entered in the patent search engine or patent
database that includes that word somewhere within the patent. Plurality of synonyms for LTE and its
related process are entered as keywords, which will produce a list of all essential patents that exist
for the LTE standard. We enclosed set of keywords in Table 1 and results in Table 2 that include both
issued as well as pending patents in India, which might not be essential (SEP) but does relate to the
eNodeB as a product.
The following are the steps involved in patent searching:
Identify keywords
Prepare search string
Run search string in patent database
Extract Indian patents
Analyse patents based on the related product
Categorize based on the technology:
In the research phase, many patents have been identified relating to enodeB-LTE Advanced
technologies and carefully analyzed for categorization into technical domains as represented in the
diagram below:
Fig. 1
Based on the obtained results and patent categories, a graph is prepared indicating company name
along with number of patents it is having related to LTE and eNodeB. The following graph in Fig. 2 is
prepared depicting number of patents belonging to particular assignee relating LTE and eNodeB and
graph in Fig. 3 indicates number of patents belonging to particular category relating to LTE and
eNodeB, however, the graphs might get changed from time to time depending on new published
applications in the particular domain. (List is last updated on 30th of April, 2013).
Fig. 2
Fig. 3
We were also been able to identify filing trend of patents relating to LTE and eNodeB in India, which
is being depicted in Fig. 3.
Fig. 3
Fig. 4 illustrates top assignees who file patent applications in India related to LTE and eNodeB and
number of publications they are having.
Fig. 4
And Fig. 5 illustrates top 10 technology categories related to which LTE or eNodeB based patents are
granted and patent applications are being published in India.
Fig. 5
2. NON-PATENT LITERATURE SEARCH
The non-patent literature search is conducted base on analyzing technical publications, blog content
and other online resources for identifying relevant patents and standard essential patents relating to
eNodeB. From our study, the following Indian patent family of corresponding essential patents are
identified based on analysis of patent litigation cases pertaining to eNodeB/LTE-advanced
technology.
3. DETERMINING ESSENTIAL PATENTS
An essential patent means that it is not possible to implement the standard on technical grounds
without infringing on the intellectual property protected by the patent. However, the process under
which this determination is made is a bit convoluted and almost entirely hidden from the public
domain. As such, the simplistic methodologies described earlier in this chapter would fail to capture
the intricacies of how a patent becomes essential.
4. PREPARING STUDY FINDINGS
The study report intends to bring clarity to the patent scope of LTE in India by identifying pending
and granted Indian Patents that directly or indirectly relate to LTE or eNodeB base stations and also
tend to comply with the Release 9 specification. Patents were also briefly assessed to evaluate
whether they would read on eNodeB product that complies with the applicable standards. In
addition, the present report identifies the kind of technology that each patent relates to and
categorizes the patents. A total of 1743 results have been identified and 200 results out of 1743
have reported as part of this study herein in Table 2, which include pending and issued patents in
India. Post the identification of patents using paid and unpaid databases such as Questel Orbit,
Indian Patent Office, USPTO, WIPO, among other databases such as ETSI and reported LTE Litigation
cases, an assessment was made of the kind of patents filed, major players, kind of reporting of SEP’s
in ETSI, among other parameters.
Based on the assessment, a further evaluation was made of prevalent FRAND licensing terms in LTE
domain; particularly for base stations, litigation scenario on FRAND terms, outcome of key
judgements, potential impact of judgements in Asian markets, stands taken by major players during
FRAND and/or LTE litigations, among other attributes.
SEARCH KEYWORDS USED
A list of keywords used for conducting patent and non patent literature search is as below in Table 1:
Table 1
Some Search Keywords Used:
1. LTE/ “Long Term Evolution”/ 4G/ E-UTRA/ “Evolved Universal Terrestrial Radio Access”
2. Enodeb/ ENB/ “E-NodeB”/ “Enode-B”/ “Evolved Node B”/ “Base Station”/ “Base
Transciever”/ BTS
3. Interference
4. MIMO/ “Multiple Input Multiple Multiple Output”
5. Scheduling
6. OFDMA/ “Orthogonal Frequency Division Multiple Access”/ SC-FDMA/ SCFDMA/ “Single-
Carrier Fdma”/ “Single-Carrier Frequency Division Multiple Access”
7. Handover/ Handoff
8. Uplink/ Downlink/ Transmission
9. RLC/ “Radio Link Control”
10. MAC/ “Media Access Control”/ Protocol
11. Power
12. “Resource Allocation”/ Allocation
13. Receiver/ “Radio Receiver Unit”/ “Baseband Unit”
AN EXAMPLARY LIST OF PATENT DOCUMENTS IDENTIFIED RELATED TO LTE/ ENODEB
A list of 200 granted patents and published patent applications out of 1743 patents and publications
identified in India related to LTE/ eNodeB is shown in Table 2 below:
Table 2
S.
NO.
PUBLICATION NO. TITLE ASSIGNEE
1 IN97/DELNP/2012 METHOD AND SYSTEM FOR TRANSMITTING
LOGICAL CHANNEL IDENTIFIER IN MBMS
ZTE
2 IN998/CHE/2011
METHOD AND SYSTEM TO DIFFERENTIATE
AND ASSIGNING IP ADDRESSES TO WIRELESS
FEMTO CELLS H(E)NB (HOME (EVOLVED)
NODEB) AND LGW (LOCAL GATEWAY) BY
USING IKEV2 (INTERNET KEY EXCHANGE
VERSION 2 PROTOCOL) PROCEDURE
Samsung Electronics
3 IN62/CHE/2011
METHOD AND APPARATUS FOR
COMMUNICATING ISM PRONE FREQUENCY
INFORMATION TO A BASE STATION
Samsung Electronics
4 IN263/CHE/2000
A METHOD FOR DETERMINING BURST
DURATION FOR A WIRELESS SYSTEM HAVING
A PLURALITY OF BASE TRANSCEIVER
STATIONS
Alcatel Lucent
5 IN3237/CHE/2010
METHOD AND APPARATUS FOR HANDLING
IN-DEVICE CO-EXISTENCE INTERFERENCE IN A
USER EQUIPMENT
Samsung Electronics
6 IN304/MAS/1997
A METHOD AND A DEVICE FOR MAKING A
HANDOVER DECISION IN A MOBILE
COMMUNICATION SYSTEM
Nokia
7 IN1076/CHE/2003
A METHOD OF INCREASING THE EFFICIENCY
OF UTILISATION OF BANDWIDTH IN A
NETWORK
Samsung Electronics
8 IN2910/CHE/2010
METHOD AND APPARATUS FOR PROVIDING
MULTI-MEDIA BROADCAST MULTICAST
SERVICES DATA TO USER EQUIPMENTS OVER
RELAY NODES
Samsung Electronics
9 IN1352/CHE/2010 DYNAMIC REORGANIZATION OF CELL
STRUCTURES IN WIRELESS NETWORKS
Alcatel Lucent
10 IN1239/CHE/2010
METHOD AND SYSTEM OF TRANSFERING
DATA IN A CARRIER AGGREGATION
ENVIRONMENT
Samsung Electronics
11 IN2634/DEL/2009 INTEGRATED PICO/MICRO BASE
TRANSCEIVER STATION
NSG Networks
12 IN934/CHE/2010 ENHANCED RANDOM ACCESS MECHANISM
IN WIRELESS COMMUNICATION SYSTEM
Samsung Electronics
13 IN2106/KOLNP/2012
REFERENCE SIGNAL TRANSMITTING
METHOD, MOBILE STATION APPARATUS AND
BASE STATION APPARATUS
NTT Docomo
14 IN2232/KOLNP/2012 MOBILE COMMUNICATION METHOD, RADIO
ACCESS NETWORK DEVICE, AND MOBILE
NTT Docomo
STATION
15 IN1600/KOLNP/2012
METHOD OF PERFORMING A MINIMIZATION
OF DRIVE TEST (MDT) FOR SPECIFIC AREA IN
WIRELESS COMMUNICATION SYSTEM
LG Electronics
16 IN1786/KOLNP/2012 MOBILE COMMUNICATION SYSTEM, RADIO
BASE STATION AND MOBILE STATION
NTT Docomo
17 IN1753/KOLNP/2012 MOBILE COMMUNICATION METHOD, RADIO
BASE STATION AND MOBILE STATION
NTT Docomo
18 IN1735/KOLNP/2012 MOBILE COMMUNICATION METHOD,
MOBILE STATION AND RADIO BASE STATION
NTT Docomo
19 IN9028/CHENP/2011
JOINT PARAMETER DETERMINATION AND
SEPARATE CQI GENERATION REPORTING FOR
LTE-A MULTICARRIER
Qualcomm
20 IN1581/KOLNP/2012
MOBILE STATION DEVICE, BASE STATION
DEVICE, MIMO SYSTEM, AND DATA
TRANSMISSION METHOD
NTT Docomo
21 IN2744/CHE/2009
METHOD AND SYSTEM TO SUPPORT SINGLE
RADIO VIDEO CALL CONTINUITY DURING
HANDOVER
Samsung Electronics
22 IN1083/KOLNP/2012
POWER-LIMIT REPORTING IN A
COMMUNICATION SYSTEM USING CARRIER
AGGREGATION
Panasonic
23 IN2915/CHE/2010 DETERMINING LINK QUALITY FOR
NETWORKS HAVING RELAYS
Research In Motion
24 IN512/MUMNP/2012 RADIO BASE STATION AND HANDOVER
INSTRUCTING METHOD
Panasonic
25 IN10429/DELNP/2011 METHOD AND DEVICE FOR DETECTING
DOWNLINK CONTROL INFORMATION
ZTE
26 IN726/KOLNP/2012
NOTIFICATION METHOD FOR AN
EMERGENCY AREA IDENTIFIER, AND SYSTEM
AND APPARATUS THEREOF
ZTE
27 IN360/DEL/2009 ENERGY MANAGEMENT AND BACK UP UNIT Luminous Teleinfra
28 IN623/KOLNP/2012
METHOD OF RELAY NODE USING REFERENCE
SIGNAL AND RELAY NODE USING THE
METHOD
LG Electronics
29 IN1252/CHENP/2012
METHOD AND APPARATUS FOR RELAY
BACKHAUL DESIGN IN A WIRELESS
COMMUNICATION SYSTEM
Qualcomm
30 IN1182/CHENP/2012
METHOD AND APPARATUS FOR RELAY
BACKHAUL DESIGN IN A WIRELESS
COMMUNICATION SYSTEM
Qualcomm
31 IN1260/CHENP/2012
SYSTEM AND METHOD FOR A VIRTUAL
CARRIER FOR MULTI-CARRIER AND
COORDINATED MULTI-POINT NETWORK
OPERATION
Research In Motion
32 IN5071/KOLNP/2011
BANDWIDTH MANAGEMENT METHOD,
EVOLUTION BASE STATION, SERVICE
GATEWAY AND COMMUNICATION SYSTEM
Huawei Technologies
33 IN10186/DELNP/2011 SYSTEM AND METHOD FOR PACKET DATA
TRANSMISSION
ZTE
34 IN78/MUMNP/2012 METHOD AND APPARATUS FOR Qualcomm
TRANSPARENT RELAY HYBRID AUTOMATIC
REPEAT REQUEST (HARQ)
35 IN93/MUMNP/2012 METHOD AND APPARATUS FOR CARRIER
SCHEDULING IN A MULTI-CARRIER SYSTEM
LG Electronics
36 IN9100/CHENP/2011
METHOD FOR PRIORITIZING OPERATION OF
RELAY NODE IN A WIRELESS
COMMUNICATION SYSTEM AND APPARATUS
FOR THE SAME
LG Electronics
37 IN12/CHENP/2012 MOBILE COMMUNICATION METHOD,
MOBILE STATION, AND RADIO BASE STATION
NTT Docomo
38 IN4962/KOLNP/2011
MOBILE TERMINAL DEVICE, WIRELESS BASE
STATION DEVICE, AND COMMUNICATION
CONTROL METHOD
NTT Docomo
39 IN144/CHENP/2012
METHOD AND APPARATUS FOR MANAGING
DOWNLINK TRANSMISSION POWER IN A
HETEROGENEOUS NETWORK
Qualcomm
40 IN9071/CHENP/2011
METHOD AND SYSTEM FOR DISCONTINUOUS
RECEPTION OPERATION FOR LONG TERM
EVOLUTION ADVANCED CARRIER
AGGREGATION
Research In Motion
41 IN10452/DELNP/2011
NOTIFICATION METHOD AND SYSTEM FOR
CONTENT UPDATES OF MULTIMEDIA
BROADCAST MULTICAST SERVICE CONTROL
CHANNEL
ZTE
42 IN93/DELNP/2012 METHOD AND SYSTEM FOR INFORMING
USER ACCESS MODE
ZTE
43 IN8763/CHENP/2011
METHOD FOR A USER TERMINAL TO
RANDOM ACCESS A CARRIER AGGREGATION
MOBILE COMMUNICATION SYSTEM
LG Electronics
44 IN7166/DELNP/2011
METHOD FOR MODIFYING MEASUREMENT
CONFIGURATION IN LONG TERM EVOLUTION
SYSTEM AND APPARATUS THEREOF
ZTE
45 IN9462/DELNP/2011
ALERT SYSTEM WITH CONTROLLED LOAD OF
NETWORK
Akutizerusukabu
Unified Messaging
Systemt
46 IN842/MUM/2008 MASTER CONTROLLER FOR BASE TRANS
RECEIVING STATION
Others
47 IN1803/CHE/2006
METHOD TO PROVIDE MOBILITY BETWEEN
3GPP SYSTEM ARCHITECTURE
EVOLUTION/LONG TERM EVOLUTION
(SAE/LTE) AND WIMAX ACCESS SYSTEMS
Others
48 IN9337/CHENP/2011
METHOD AND APPARATUS FOR
CONFIGURING AND SENDING DOWNLINK
MEASUREMENT PILOT FREQUENCY
China Academy of
Telecommunications
Technology
49 IN4786/KOLNP/2011
OPTIMIZING A SERVING GATEWAY LOCATION
IN A HOME EVOLVED NODE B WITH LOCAL IP
ACCESS
Nortel Networks
50 IN7397/CHENP/2011
NOTIFYING USER EQUIPMENT OF AN
UPCOMING CHANGE OF SYSTEM
INFORMATION IN A RADIO
COMMUNICATION NETWORK
Ericsson
51 IN4475/KOLNP/2011
MOBILE COMMUNICATION SYSTEM,
WIRELESS BASE STATION, AND CONTROL
METHOD
NTT Docomo
52 IN4445/KOLNP/2011 MOBILE COMMUNICATION SYSTEM Hideaki Takahashi
53 IN8420/CHENP/2011
RELAY NODE, BASE STATION AND METHOD
FOR RECEIVING AND TRANSMITTING SYSTEM
BROADCAST INFORMATION
ZTE
54 IN7400/CHENP/2011
COMMUNICATION METHOD OF BROADCAST
AND/OR MULTICAST IN WIRELESS NETWORK,
AND THE EQUIPMENT THEREOF
Alcatel Lucent
55 IN8210/DELNP/2011 LOCAL IP ACCESS THROUGH A FEMTO BASE
STATION
Ericsson
56 IN4669/KOLNP/2011
TRANSMITTING PARTICULAR CONTROL
INFORMATION ON AN UPLINK TRAFFIC
CHANNEL ON A REPEATED BASIS
Nortel Networks
57 IN8405/CHENP/2011
RESOURCE SCHEDULING METHOD AND
SYSTEM, BASE STATION AND RELAY NODE
China Academy of
Telecommunications
Technology
58 IN802/CHE/2009
SYSTEM AND METHOD FOR MANAGING
COMMUNICATION IN A WIRELESS
COMMUNICATION NETWORK
Samsung Electronics
59 IN6362/CHENP/2011
METHODS AND APPARATUS FOR
GENERATION AND USE OF REFERENCE
SIGNALS IN A COMMUNICATIONS SYSTEM
Qualcomm
60 IN4094/KOLNP/2011 RADIO BASE STATION AND MOBILE
COMMUNICATION METHOD
NTT Docomo
61 IN4097/KOLNP/2011 RADIO BASE STATION AND MOBILE
COMMUNICATION METHOD
NTT Docomo
62 IN4033/KOLNP/2011 RADIO BASE STATION AND MOBILE
COMMUNICATION METHOD
NTT Docomo
63 IN4041/KOLNP/2011 RADIO BASE STATION AND MOBILE
COMMUNICATION METHOD
NTT Docomo
64 IN4096/KOLNP/2011 USER EQUIPMENT AND MOBILE
COMMUNICATION METHOD
NTT Docomo
65 IN637/CHE/2009
TECHNIQUES FOR SUPPORTING EMERGENCY
COMMUNICATIONS IN WIRELESS
COMMUNICATION SYSTEM
Samsung Electronics
66 IN6354/CHENP/2011
METHODS AND APPARATUS FOR ADJACENT
CHANNEL INTERFERENCE MITIGATION IN
ACCESS POINT BASE STATIONS
Qualcomm
67 IN3795/KOLNP/2011 WIRELESS BASE STATION NTT Docomo
68 IN3794/KOLNP/2011 RADIO BASE STATION NTT Docomo
69 IN7169/DELNP/2011
CALL HANDOVER METHOD AND MOBILE
COMMUNICATION SYSTEM AMONG BASE
STATION SYSTEMS
ZTE
70 IN1206/CHE/2010
TIME DOMAIN REDISTRIBUTION OF UES AND
RADIO BEARERS TO MINIMIZE CONGESTION
IN LTE
Others
71 IN43/CHENP/2012
METHOD FOR TRANSFERRING PACKET DATA
IN WIRELESS NETWORK AND BASE STATION
CONTROLLER
ZTE
72 IN5398/CHENP/2011
ACCESS POINT RESOURCE NEGOTIATION
AND ALLOCATION OVER A WIRELESS
INTERFACE
Qualcomm
73 IN5620/CHENP/2011
OPTICAL FIBER-BASED DISTRIBUTED
ANTENNA SYSTEMS, COMPONENTS, AND
RELATED METHODS FOR MONITORING AND
CONFIGURING THEREOF
Corning Cable Systems
74 IN5619/CHENP/2011
OPTICAL FIBER-BASED DISTRIBUTED
ANTENNA SYSTEMS, COMPONENTS, AND
RELATED METHODS FOR CALIBRATION
THEREOF
Corning Cable Systems
75 IN5814/CHENP/2011 RADIO BASE STATION AND MOBILE
COMMUNICATION METHOD
Hideaki Takahashi
76 IN3335/KOLNP/2011 WIRELESS BASE STATION AND
COMMUNICATION CONTROL METHOD
NTT Docomo
77 IN5809/CHENP/2011
METHOD AND APPARATUS FOR SIGNALING
NEIGHBOR CELL TRANSMISSION FRAME
ALLOCATIONS
Nokia
78 IN4852/CHENP/2011
INCLUSION/EXCLUSION MESSAGING SCHEME
FOR INDICATING WHETHER A NETWORK
ENTITY PERFORMS ACCESS CONTROL
Qualcomm
79 IN4613/CHENP/2011 CSG MEMBERSHIP INDICATION Qualcomm
80 IN5489/CHENP/2011
PHASE CALIBRATION AND ERRONEOUS
CABLING DETECTION FOR A MULTI-ANTENNA
RADIO BASE STATION
Ericsson
81 IN2380/KOLNP/2011 MOBILE COMMUNICATION METHOD AND
RADIO BASE STATION
NTT Docomo
82 IN212/CHE/2009
METHOD AND SYSTEM FOR COMPUTING
AND SENDING RESOURCE REQUESTS AND
AVOIDING DEADLOCK SITUATIONS IN
MOBILE COMMUNICATION SYSTEM
Samsung Electronics
83 IN5278/CHENP/2011 AUTOMATIC UPDATE OF A NEIGHBOUR
RELATION TABLE OF A BASE STATION
Alcatel Lucent
84 IN5565/DELNP/2011
PROCESS FOR BEAMFORMING DATA TO BE
TRANSMITTED BY A BASE STATION IN A MU-
MIMO SYSTEM AND APPARATUS FOR
PERFORMING THE SAME
Ericsson
85 IN5552/DELNP/2011
METHOD AND SYSTEM FOR IMPLEMENTING
CELL SELF-HEALING OF BASE STATION IN
LONG TERM EVOLUTION SYSTEM
ZTE
86 IN4037/KOLNP/2010 MOBILE COMMUNICATION METHOD AND
MOBILE STATION
NTT Docomo
87 IN2735/KOLNP/2011 WIRELESS BASE STATION NTT Docomo
88 IN1490/MUMNP/2011 OPTICAL SWITCHING APPARATUS AND
METHOD FOR ENB
ZTE
89 IN4338/CHENP/2011 IN-BAND PROVISIONING FOR A CLOSED
SUBSCRIBER GROUP
Qualcomm
90 IN8563/CHENP/2010 DYNAMIC CONTROL BLANKING IN
HETEROGENEOUS NETWORKS
Qualcomm
91 IN4078/CHENP/2011 A METHOD FOR ALLOCATION OF RESOURCES
TO USER TERMINALS, A BASE STATION, A
Alcatel Lucent
USER TERMINAL AND A COMMUNICATION
NETWORK THEREFORE
92 IN4590/CHENP/2011 SYSTEMS AND METHODS FOR UPLINK
POWER CONTROL
Sharp
93 IN3389/CHENP/2011
SYSTEM AND METHOD TO FACILITATE
ACQUISITION OF ACCESS POINT BASE
STATIONS
Qualcomm
94 IN2740/DEL/2008
METHOD FOR EFFICIENT REPORTING OF
CHANNEL QUALITY INFORMATION FROM
USER EQUIPMENT TO THE NETWORK
Motorola Mobility Inc
95 IN4197/DELNP/2011
METHOD FOR ENHANCING USER
EQUIPMENT (UE) POWER SAVING
PERFORMANCE AND UE
China Academy of
Telecommunications
Technology
96 IN2952/CHENP/2011 RADIO LINK FAILURE REPORTING Qualcomm
97 IN3307/CHENP/2011 REDUCED COMPLEXITY CHANNEL
ESTIMATION FOR UPLINK RECEIVER
Nortel Networks
98 IN3582/CHENP/2011
REDUCTION OF UNNECESSARY DOWNLINK
CONTROL CHANNEL RECEPTION AND
DECODING
Nokia
99 IN2679/CHENP/2011 POWER HEADROOM-SENSITIVE SCHEDULING Qualcomm
100 IN2006/KOLNP/2011 WIRELESS BASE STATION NTT Docomo
101 IN3069/CHENP/2011 LAYER 2 RELAY MULTIPLEXING AND
INTERFERENCE MITIGATION
Research In Motion
102 IN1881/KOLNP/2011 MOBILE TELECOMMUNICATION SYSTEM NTT Docomo
103 IN1048/MUMNP/2011
RADIO TRANSMITTING/RECEIVING
APPARATUS AND METHOD, TERMINAL
APPARATUS, BASE STATION APPARATUS AND
WIRELESS COMMUNICATION SYSTEM
Panasonic
104 IN1890/KOLNP/2011
WIRELESS BASE STATION DEVICE USING
COOPERATIVE HARQ COMMUNICATION
METHOD, WIRELESS TERMINAL DEVICE,
WIRELESS COMMUNICATION SYSTEM, AND
WIRELESS COMMUNICATION METHOD
Fujitsu
105 IN2828/CHENP/2011 BEARER QOS MAPPING FOR CELL RELAYS Qualcomm
106 IN4036/KOLNP/2010 MOBILE COMMUNICATION METHOD AND
EXCHANGE
NTT Docomo
107 IN1838/CHENP/2011
METHOD AND APPARATUS FOR CHANNEL
FEEDBACK BY MULTIPLE DESCRIPTION
CODING IN A WIRELESS COMMUNICATION
SYSTEM
Qualcomm
108 IN1408/KOLNP/2011 MOBILE STATION NTT Docomo
109 IN1576/KOLNP/2011 METHOD AND ARRANGEMENT IN A
TELECOMMUNICATION SYSTEM
Ericsson
110 IN1558/CHENP/2011 SYNCHRONIZING A BASE STATION IN A
WIRELESS COMMUNICATION SYSTEM
Qualcomm
111 IN1546/CHENP/2011 REFERENCE SIGNAL DESIGN FOR LTE A Qualcomm
112 IN1079/KOLNP/2011
ACCESS ADMISSION CONTROL METHOD AND
SYSTEM FOR MOBILE COMMUNICATION
SYSTEMS
Samsung Electronics
113 IN4003/KOLNP/2010 MOBILE COMMUNICATION METHOD NTT Docomo
114 IN1743/MUM/2008 A SYSTEM FOR MONITORING, MANAGING Others
AND CONTROLLING DISPERSED NETWORKS
115 IN980/KOLNP/2011 MINIMIZING THE SIGNALING TRAFFIC FOR
HOME BASE STATIONS
Deutsche Telekom
116 IN0876/MUM/2008 POWER SAVING FOR WIRELESS
COMMUNICATION SYSTEMS
Reliance
Communications
117 IN8095/CHENP/2010 SYSTEM AND METHOD FOR SR-VCC OF IMS
EMERGENCY SESSIONS
Futurewei Technologies
118 IN963/CHENP/2011 RELAY ARCHITECTURE FRAMEWORK Qualcomm
119 IN803/KOLNP/2011
MESSAGE DISTRIBUTION METHOD, RADIO
BASE STATION, AND MESSAGE DISTRIBUTION
STATION
NTT Docomo
120 IN1394/CHENP/2011 A-PERIODIC PUCCH TRANSMISSION ON
PUSCH
Qualcomm
121 IN661/CHENP/2011 HANDLING UPLINK GRANT IN RANDOM
ACCESS RESPONSE
Qualcomm
122 IN1125/CHENP/2011 VARIABLE COHERENCE INTEGRATION FOR
THE LOCATION OF WEAK SIGNALS
True Position
123 IN422/CHENP/2011
METHOD AND APPARATUS FOR UTILIZING A
MEASUREMENT GAP IN WIRELESS
NETWORKS
Qualcomm
124 IN684/KOLNP/2011 MOBILE COMMUNICATION METHOD AND
MOBILE STATION
NTT Docomo
125 IN646/KOLNP/2011 MOBILE COMMUNICATION METHOD,
MOBILE STATION, AND EXCHANGE STATION
NTT Docomo
126 IN4039/KOLNP/2010 MOBILE COMMUNICATION METHOD, RADIO
BASE STATION, AND MOBILE STATION
NTT Docomo
127 IN784/CHENP/2011
APPARATUS AND METHODS FOR
COMPUTING CONSTANT AMPLITUDE ZERO
AUTO-CORRELATION SEQUENCES
Qualcomm
128 IN717/CHENP/2011
METHOD AND MOBILITY MANAGEMENT
ENTITY FOR ACQUIRING BEARER STATUS AT
THE TIME OF USER EQUIPMENT SWITCHING
China Academy of
Telecommunications
Technology
129 IN1460/CHE/2008 METHOD AND SYSTEM FOR MANAGING
HANDOVER IN RADIO ACCESS NETWORKS
Samsung Electronics
130 IN3038/KOLNP/2009 A METHOD AND A DEVICE FOR IMPROVED
STATUS REPORTS
Ericsson
131 IN8636/CHENP/2010 NETWORK ELEMENT CONFIGURATION
SCHEME
Qualcomm
132 IN4000/KOLNP/2010 MOBILE COMMUNICATION METHOD AND
MOBILE STATION
NTT Docomo
133 IN3999/KOLNP/2010 MOBILE COMMUNICATION METHOD NTT Docomo
134 IN4002/KOLNP/2010 MOBILE COMMUNICATION METHOD AND
MOBILE STATION
NTT Docomo
135 IN4908/KOLNP/2010 EMERGENCY INFORMATION REPORTING
SYSTEM
NTT Docomo
136 IN2657/MUMNP/2010 CRYPTOGRAPHIC KEY GENERATION Ericsson
137 IN4780/KOLNP/2010 MOBILE COMMUNICATION METHOD,
MOBILE STATION, AND RADIO BASE STATION
NTT Docomo
138 IN6971/CHENP/2010
SYSTEM AND METHOD TO ENABLE
RESOURCE PARTITIONING IN WIRELESS
NETWORKS
Qualcomm
139 IN2183/MUMNP/2010 CIRCUIT SWITCHED FALLBACK IN EVOLVED
PACKET SYSTEM
Ericsson
140 IN4752/KOLNP/2010
METHODS AND APPARATUSES FOR
PROVIDING VOICE CALL OVER A CIRCUIT
SWITCHED DOMAIN TO A UE
Samsung Electronics
141 IN7016/CHENP/2010 TECHNIQUES FOR ENHANCED BACKHAUL
FLOW CONTROL
Qualcomm
142 IN4631/KOLNP/2010 METHOD, SYSTEM AS WELL AS BASE
STATION AND MSC FOR DATA TRANSFER
Huawei Technologies
143 IN3797/KOLNP/2010 CIRCUIT SWITCHED FALLBACK FOR A LTE
COMMUNICATION SCHEME
NTT Docomo
144 IN7186/CHENP/2010 METHOD AND DEVICE FOR REALIZING
TIMING ADVANCE IN UPLINK TRANSMISSION
Datang Mobile
Communications
145 IN2644/CHENP/2010 METHOD AND ARRANGEMENT IN A
WIRELESS COMMUNICATION NETWORK
Ericsson
146 IN3653/KOLNP/2010
EMERGENCY INFORMATION RECEIVING
METHOD, MOBILE STATION AND RADIO BASE
STATION
NTT Docomo
147 IN4129/KOLNP/2010 MOBILE COMMUNICATION METHOD,
MOBILE STATION, AND RADIO BASE STATION
NTT Docomo
148 IN4051/KOLNP/2010 MOBILE COMMUNICATION METHOD,
MOBILE STATION, AND RADIO BASE STATION
NTT Docomo
149 IN6335/CHENP/2010 UPLINK AND DOWNLINK INTER-CELL
INTERFERENCE COORDINATION
Qualcomm
150 IN6349/CHENP/2010
ALLOCATION OF CONTROL RESOURCES OF A
FEMTO CELL TO AVOID INTERFERENCE WITH
A MACRO CELL
Qualcomm
151 IN6851/CHENP/2010
METHODS, APPARATUSES, AND COMPUTER
PROGRAM PRODUCTS FOR PROVIDING
MULTI-HOP CRYPTOGRAPHIC SEPARATION
FOR HANDOVERS
Nokia
152 IN5639/CHENP/2010
DETERMINATIVE SEGMENTATION,
RESEGMENTATION AND PADDING IN RADIO
LINK CONTROL (RLC) SERVICE DATA UNITS
(SDU)
Qualcomm
153 IN4081/KOLNP/2010
METHOD AND APPARATUS FOR
TRANSMITTING CSI ON THE PUSCH IN AN LTE
SYSTEM
Ericsson
154 IN6347/CHENP/2010
PRECODING MATRIX INDEX FEEDBACK
INTERACTION WITH DISCONTINUOUS
RECEPTION
Research In Motion
155 IN6451/CHENP/2010 RANK INDICATOR TRANSMISSION DURING
DISCONTINUOUS RECEPTION
Research In Motion
156 IN4008/KOLNP/2010 IDENTIFICATION OF A MANIPULATED OR
DEFECT BASE STATION DURING HANDOVER
Ericsson
157 IN5567/CHENP/2010
SAE/LTE NON ACCESS STRATUM
COMMUNICATION WITH ESTABLISHMENT OF
WIRELESS CONTROL CHANNELS WITH
DELAYED RELEASE INDICATION
Qualcomm
158 IN6880/DELNP/2010 EXTENSION OF POWER HEADROOM
REPORTING AND TRIGGER CONDITIONS
Nokia & Siemens
Networks
159 IN2957/KOLNP/2010 RADIO RESOURCE SELECTING METHOD,
MOBILE STATION AND RADIO BASE STATION
NTT Docomo
160 IN3792/KOLNP/2010 RADIO BASE STATION AND MOBILE STATION NTT Docomo
161 IN6345/CHENP/2010
CHANNEL QUALITY INDICATOR
TRANSMISSION TIMING WITH
DISCONTINUOUS RECEPTION
Research In Motion
162 IN1950/MUMNP/2010
A METHOD AND A TRANSCEIVER FOR
REDUCING RETRANSMISSIONS IN A
TELECOMMUNICATIONS SYSTEM
Ericsson
163 IN5589/CHENP/2010 TOUCHLESS PLUG AND PLAY BASE
TRANSCEIVER STATION
Nortel Networks
164 IN3554/KOLNP/2010 A METHOD FOR UPDATING LOCATION
INFORMATION OF USER EQUIPMENT
Samsung Electronics
165 IN1665/MUMNP/2010 HANDOVER BASED ON PREDICTION
INFORMATION FROM THE TARGET NODE
Ericsson
166 IN1966/DEL/2007
ROBUST ELECTORNIC SECURITY SYSTEM FOR
TELECOM SHELTER AND METHOD FOR
REMOTE MONITORING OF THE SHELTER AND
ITS ACCESS CONTROL THEREOF
TEK 4I SOLUTIONS PVT
167 IN1742/DEL/2007
INTEGRATED AC AND DC POWER INTERFFACE
UNIT FOR PROVIDING UNINTERRUPTED
POWER TO TELECOM SITE
Others
168 IN1676/DEL/2007
METHOD AND SYSTEM FOR MANAGING
TRANSMISSION OF A MESSAGE IN A
COMMUNICATION NETWORK
Motorola Mobility Inc
169 IN1378/DEL/2006 METHOD FOR TRACKING AN ELECTRONIC
DEVICE IN A COMMUNICATION NETWORK
Motorola Mobility Inc
170 IN247/DEL/2007 METHOD AND SYSTEM FOR
AUTHENTICATING A CALLING PARTY
Motorola Mobility Inc
171 IN1789/CHE/2005
A SYSTEM AND METHOD OF USING PANA
FOR NETWORK AND APPLICATION ACCESS
AUTHENTICATION IN INTERWORKING
WIRELESS LOCAL AREA NETWORK GENERIC
BOOTSTRAPPING ARCHITECTURE AND 3GPP
SYSTEM ARCHITECTURE EVOLUTION
Samsung Electronics
172 IN1780/CHE/2005
A SYSTEM AND METHOD FOR PROVIDING
EFFICIENT INTER EGGSN (ACCESS GATEWAY)
AND INTER GGSN/PLMN MOBILITY SUPPORT
IN WIRELESS ACCESS SYSTEM
Samsung Electronics
173 IN1779/CHE/2005
A SYSTEM AND METHOD FOR PROVIDING
MOBILITY BETWEEN EUMTS AND UMTS
ACCESS SYSTEM
Samsung Electronics
174 IN1524/CHE/2006
SYSTEM AND METHOD FOR USER
EQUIPMENT TO REPORT INFORMATION BIT
TO ENB
Samsung Electronics
175 IN2301/MUMNP/2008
METHOD FOR SAFELY TRANSMITTING SHORT
ACK/NACK BITMAPS IN ARQ PROCESS INSIDE
EDGE COMPLIANT SYSTEMS
Nokia & Siemens
Networks
176 IN4973/CHENP/2010
SYSTEM AND METHOD FOR PERFORMING
KEY MANAGEMENT WHILE PERFORMING
HANDOVER IN A WIRELESS
Alcatel Lucent
COMMUNICATION SYSTEM
177 IN4763/CHENP/2010 METHOD FOR THE HARQ BUFFER
OPERATION
Alcatel Lucent
178 IN4769/CHENP/2010
RELAYING METHOD, BASE STATION AND
USER EQUIPMENT FOR JOINT ANALOG
NETWORK CODING
Alcatel Lucent
179 IN2826/KOLNP/2010 OFFERED BIT RATE AT HANDOVER Ericsson
180 IN3229/KOLNP/2010 MOBILE COMMUNICATION METHOD AND
RADIO BASE STATION
NTT Docomo
181 IN3074/KOLNP/2010 POSITION INFORMATION ACQUISITION
METHOD AND MOBILE STATION
NTT Docomo
182 IN2930/KOLNP/2010 MOBILE COMMUNICATION METHOD AND
RADIO BASE STATION
NTT Docomo
183 IN1284/MUMNP/2011
PAGING METHOD, HOME NODE B, HOME
NODE B GATEWAY AND COMMUNICATION
SYSTEM
Huawei Technologies
184 IN4794/CHENP/2010 CONTROL SIGNAL MANAGEMENT SYSTEM
AND METHOD
Research In Motion
185 IN4125/DELNP/2010 CONFIGURATION OF A NODE IN A
COMMUNICATIONS NETWORK
Ericsson
186 IN3119/KOLNP/2010 CORE NETWORK PROCESSING LOAD
REDUCTION
Ericsson
187 IN1368/MUMNP/2010 TIMESLOT SHARING USING UNBALANCED
QPSK MODULATION
Ericsson
188 IN4835/CHENP/2010
METHOD AND APPARATUS FOR RADIO LINK
FAILURE RECOVERY IN A WIRELESS
COMMUNICATIONS NETWORK
Alcatel Lucent
189 IN3042/KOLNP/2010
METHOD AND APPARATUS FOR FREQUENCY
ACCESS RESTRICTION IN CELLULAR
COMMUNICATIONS
Ericsson
190 IN2739/KOLNP/2010
MULTI-PDN (PACKET DATA NETWORK)
CONNECTIVITY TO ONE APN (ACCESS POINT
NAME)
Ericsson
191 IN4826/DELNP/2010
METHOD,SYSTEM AND RELATED DEVICE FOR
PROCESSING CIRCUIT SWITCHED DOMAIN
SERVICE IN EVOLVED PACKET NETWORK
Huawei Technologies
192 IN4085/CHENP/2010 REALIZING FDD CAPABILITY BY LEVERAGING
EXISTING TDD TECHNOLOGY
Alcatel Lucent
193 IN2590/KOLNP/2010 MOBILE COMMUNICATION METHOD AND
WIRELESS BASE STATION
NTT Docomo
194 IN3508/CHENP/2010 METHOD, SYSTEM AND NETWORK DEVICE
FOR OBTAINING CELL RESELECTION PRIORITY
Huawei Technologies
195 IN1017/MUMNP/2010 METHOD AND ARRANGEMENT IN A
TELECOMMUNICATION SYSTEM
Ericsson
196 IN2593/KOLNP/2010
A METHOD AND SYSTEM FOR BACKSPACING
TO THE CIRCUIT SWITCHING DOMAIN TO
ESTABLISH A VOICE CALL
Huawei Technologies
197 IN2542/KOLNP/2009 WIRELESS RECEIVER WITH INTERMITTENT
SHUT-OFF OF RF CIRCUITS
Altair Semiconductor
198 IN2680/DEL/2007 METHOD AND SYSTEM FOR MANAGING
SEARCH RESULTS IN A COMMUNICATION
Motorola Mobility Inc
NETWORK
199 IN2412/KOLNP/2010 IMPROVED SCHEDULING IN A CELLULAR
SYSTEM
Ericsson
200 IN3517/DELNP/2010
METHOD FOR TRANSMITTING SYSTEM
INFORMATION, AND PROGRAMME
ELEMENT, COMPUTER READABLE MEDIUM,
BASE STATION AND USER EQUIPMENT
Nokia & Siemens
Networks