CA2628685A1 - Method and system for implicit user equipment identification - Google Patents

Method and system for implicit user equipment identification Download PDF

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Publication number
CA2628685A1
CA2628685A1 CA 2628685 CA2628685A CA2628685A1 CA 2628685 A1 CA2628685 A1 CA 2628685A1 CA 2628685 CA2628685 CA 2628685 CA 2628685 A CA2628685 A CA 2628685A CA 2628685 A1 CA2628685 A1 CA 2628685A1
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Prior art keywords
wireless signal
channel
crc
bit
identity
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Granted
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CA 2628685
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French (fr)
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CA2628685C (en
Inventor
Nader Bolourchi
Stephen E. Terry
Stephen G. Dick
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Intel Corp
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Individual
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Priority to CA2805897A priority Critical patent/CA2805897C/en
Publication of CA2628685A1 publication Critical patent/CA2628685A1/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0061Error detection codes
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/09Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2612Arrangements for wireless medium access control, e.g. by allocating physical layer transmission capacity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0092Indication of how the channel is divided
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

A method for data related downlink signaling including selectively tailoring the UE ID
to create a UE ID value, which is then added to a data field to create a data mask. This data mask is then further processed as the CRC field and transmitted with the data burst to provide CRC-related functions. An alternative embodiment discloses initializing a CRC
generator with UE identification prior to CRC generation. This implicitly includes the UE ID within the CRC without requiring additional overhead signaling.

Claims (117)

1. A wide-band code division multiple access (WCDMA) user equipment (UE) comprising:
circuitry configured to receive a first wireless signal of a control channel associated with WCDMA high speed downlink packet access, wherein the First wireless signal comprises an N bit field and control information, the N bit field comprising an N bit cyclic redundancy check (CRC) modulo two added to an N bit UE identity, wherein the value of N
is a positive integer and the UE identity refers specifically to the UE;
circuitry configured to determine whether the CRC is correct; and circuitry configured to use the control information to process a second wireless signal associated with WCDMA high speed downlink packet access on a condition that at least one criterion is met, wherein the at least one criterion includes the CRC being correct and the circuitry is configured to not use the control information to process the second wireless signal on the condition that the at least one criterion is not met.
2. The UE of claim 1 further comprising circuitry configured to monitor a plurality of control channels associated with the WCDMA high speed downlink packet access.
3. The UE of claim 1 wherein the N bit field is a 16 bit field.
4. The UE of claim 1wherein the first wireless signal is received in a wideband code division multiple access frequency division duplex format.
5. The UE of claim 1 further comprising circuitry configured to receive a third wireless signal of a downlink dedicated physical channel (DPCH).
6. The UE of claim 5 wherein the circuitry configured to receive the third wireless signal is further configured to process additional information on the downlink DPCH
wherein the additional information indicates at least one control channel associated with the WCDMA high speed downlink packet access for the UE to monitor.
7. The UE of claim 1 wherein the circuitry configured to receive the first wireless signal is further configured to intermittently monitor the control channel.
8. The UE of claim 1 wherein the second wireless signal includes packet data.
9. The UE of claim 1 wherein the control information indicates at least one physical high speed downlink shared channel to process.
10. A method for use in a wide-band code division multiple access (WCDMA) user equipment (UE), the method comprising:
receiving a first wireless signal of a control channel associated with WCDMA
high speed downlink packet access, wherein the first wireless signal comprises an N
bit field and control information and the N bit field comprises an N bit cyclic redundancy check (CRC) modulo two combined with an N bit UE identity, wherein the value of N is a positive integer and the UE identity refers specifically to the UE;
determining whether the CRC is correct;
using the control information to process a second wireless signal associated with WCDMA high speed downlink packet access on a condition that at least one criterion is met, the at least one criterion including the CRC being correct; and not using the control information to process the second wireless signal on the condition that the at least one criterion is not met.
11. The method of claim 10 further comprising monitoring a plurality of control channels associated with the WCDMA high speed downlink packet access.
12. The method of claim 10 wherein the N bit field is a 16 bit field.
13. The method of claim 10 wherein the first wireless signal is received in a wideband code division multiple access frequency division duplex format.
14. The method of claim 10 further comprising receiving a third wireless signal of a downlink dedicated physical channel (DPCH).
15, The method of claim 14 further comprising processing information on the downlink DPCH by the UE wherein the information indicates at least one control channel associated with the WCDMA high speed downlink packet access for the UE to monitor.
16. The method of claim 10 further comprising intermittently monitoring the control channel.
17. The method of claim 10 wherein the second wireless signal includes packet data.
18. The method of claim 10 wherein the control information indicates at least one physical high speed downlink channel to process.
19. A wide-band code division multiple access (WCDMA) user equipment (UE) comprising:
circuitry configured to receive a first wireless signal of a control channel associated with WCDMA high speed downlink packet access, wherein the first wireless signal comprises an N bit cyclic redundancy check (CRC) modulo two added to an N bit UE
identity, wherein the value of N is a positive integer and the UE identity refers specifically to the UE; and circuitry configured to not use control information included in the first wireless signal to process a second wireless signal associated with WCDMA high speed downlink packet access on a condition that the CRC is not correct.
20. The UE of claim 19 further comprising circuitry configured to process the second wireless signal on a condition that criteria is met, wherein the criteria includes the CRC being correct and the UE identity being correct.
21. The UE of claim 19 wherein a value of N is 16.
22. The UE of claim 19 wherein the first wireless signal is received in a wideband code division multiple access frequency division duplex format.
23. The UE of claim 19 wherein the circuitry configured to receive the first wireless signal is further configured to intermittently monitor the control channel.
24. The UE of claim 19 wherein the control information indicates at least one physical high speed downlink shared channel to process.
25. The UE of claim 19 further comprising circuitry configured to receive a third wireless signal of a downlink dedicated physical channel (DPCH).
26. The UE of claim 25 wherein the circuitry configured to receive the third wireless signal is further configured to process information on the downlink DPCH wherein the information indicates at least one control channel associated with the WCDMA high speed downlink packet access for the UE to monitor.
27. A method for use in a wide-band code division multiple access (WCDMA) user equipment (UE), the method comprising:
receiving a first wireless signal of a control channel associated with WCDMA
high speed downlink packet access, wherein the first wireless signal of the control channel comprises an N bit cyclic redundancy check (CRC) modulo two added to an N bit UE
identity, wherein the value of N is a positive integer and the UE identity refers specifically to the UE; and not using control information included in the first wireless signal to process a second wireless signal associated with WCDMA high speed downlink packet access on a condition that the CRC is not correct.
28. The method of claim 27 further comprising processing the second wireless signal on a condition that criteria is met, wherein the criteria includes the CRC being correct and the UE identity being correct.
29. The method of claim 27 wherein a value of N is 16.
30. The method of claim 27 wherein the first wireless signal is received in a wideband code division multiple access frequency division duplex format.
31. The method of claim 27 further comprising intermittently monitoring the control channel.
32. The method of claim 27 wherein the control information indicates at least one physical high speed downlink channel to process.
33. The method of claim 27 further comprising receiving a third wireless signal of a downlink dedicated physical channel (DPCH).
34. The method of claim 33 further comprising processing information on the downlink DPCH by the UE wherein the information indicates at least one control channel associated with the WCDMA high speed downlink packet access for the UE to monitor.
35. A wide-band code division multiple access (WCDMA) user equipment (UE) comprising:
circuitry configured to receive a first wireless signal of a first channel associated with WCDMA high speed packet access, wherein the first wireless signal comprises an N bit field and control information and the N bit field comprises an N bit cyclic redundancy check (CRC) modulo two added to an N bit UE identity, wherein the value of N is a positive integer and the first channel is a control channel;
circuitry configured to determine whether the CRC is correct;
circuitry configured to use the control information to process a second channel associated with WCDMA high speed packet access on a condition that at least one criterion is met, wherein the at least one criterion includes the CRC being correct; and wherein the circuitry is configured to not use the control information to process the second channel on the condition that the at least one criterion is not met.
36. The UE of claim 35 wherein the N bit field is a 16 bit field.
37. The UE of claim 35 wherein the first wireless signal is received in a wideband code division multiple access frequency division duplex format.
38. The UE of claim 35 wherein the first wireless signal is received in a wideband code division multiple access time division duplex format.
39. The UE of claim 35 wherein the second channel includes circuit switched data.
40. The UE of claim 35 wherein the6second channel includes packet data.
41. The UE of claim 35 further comprising a battery.
42. The UE of claim 35 wherein the UE identity refers specifically to the UE.
43. The UE of claim 35 wherein the circuitry configured to receive the first wireless signal is further configured to intermittently monitor the first channel.
44. A method for use in a wide-band code division multiple access (WCDMA) user equipment (UE), the method comprising:
receiving a first wireless signal of a first channel associated with a WCDMA
high speed packet access, wherein the first wireless signal comprises an N bit field and control information and the N bit field comprises an N bit cyclic redundancy check (CRC) modulo two combined with an N bit UE identity, wherein the value of N is a positive integer and the first channel is a control channel;
determining whether the CRC is correct;
using the control information to process a second channel associated with WCDMA
high speed packet access on a condition that at least one criterion is met, the at least one criterion including the CRC being correct; and not using the control information to processing the second channel on the condition that the at least one criterion is not met.
45. The method of claim 44 wherein the N bit field is a 16 bit field.
46. The method of claim 44 wherein the first wireless signal is received in a wideband code division multiple access frequency division duplex format.
47. The method of claim 44 wherein the first wireless signal is received in a wideband code division multiple access time division duplex format.
48. The method of claim 44 wherein the second channel includes circuit switched data.
49. The method of claim 44 wherein the second channel includes packet data.
50. The method of claim 44 further comprising increasing a use of battery resources when the UE wakes up.
51. The method of claim 44 wherein the UE identity refers specifically to the UE.
52. The method of claim 44 further comprising intermittently monitoring the first channel.
53. A wide-band code division multiple access (WCDMA) user equipment (UE) comprising:
circuitry configured to receive a first wireless signal of a control channel associated with WCDMA high speed downlink packet access, wherein the first wireless signal comprises an N bit field and control information, the N bit field comprising an N bit cyclic redundancy check (CRC) modulo two added to an N bit UE identity, wherein the value of N
is a positive integer and the UE identity refers specifically to the UE;
circuitry configured to determine whether the CRC is correct; and circuitry configured to the control information to process a second wireless signal associated with WCDMA high speed downlink packet access on a condition that criteria is met, wherein the criteria includes the CRC being correct and the N bit UE
identity being correct and the circuitry is configured to not use the control information to process the second wireless signal on the condition that the criteria is not met;
wherein the condition of the criteria is determined in a single processing step.
54. The UE of claim 53 further comprising circuitry configured to monitor a plurality of control channels associated with the WCDMA high speed downlink packet access.
55. The UE of claim 53 wherein the N bit field is a 16 bit field.
56. The UE of claim 53 wherein the first wireless signal is received in a sideband code division multiple access frequency division duplex format.
57. The UE of claim 53 further comprising circuitry configured to receive a third wireless signal of a downlink dedicated physical channel (DPCH).
58. The UE of claim 53 wherein the second wireless signal includes circuit switched data.
59. The UE of claim 53 wherein the second wireless signal includes packet data.
60. The UE of claim 57 wherein the circuitry configured to receive the third wireless signal is further configured to process additional information on the downlink DPCH
wherein the additional information indicates at least one control channel associated with the WCDMA high speed downlink packet access for the UE to monitor.
61. The UE of claim 53 wherein the circuitry configured to receive the first wireless signal is further configured to intermittently monitor the control channel.
62. The UE of claim 53 wherein the control information indicates at least one physical high speed downlink shared channel to process.
63. A method for use in a wide-band code division multiple access (WCDMA) user equipment (UE), the method comprising:
receiving a first wireless signal of a control channel associated with WCDMA
high speed downlink packet access, wherein the first wireless signal comprises an N
bit field and control information and the N bit field comprises an N bit cyclic redundancy check (CRC) modulo two combined with an N bit UE identity, wherein the value of N is a positive integer and the UE identity refers specifically to the UP;
determining whether the CRC is correct;
using the control information to process a second wireless signal associated with WCDMA high speed downlink-packet access on a condition that criteria is met, the criteria including the CRC being correct and the N bit UE identity being correct; and not using the control information to process the second wireless signal on the condition that the criteria is not met;
wherein the condition of the criteria is determined in a single processing step.
64. The method of claim 63 further comprising monitoring a plurality of control channels associated with the WCDMA high speed downlink packet access.
65. The method of claim 63 wherein the N bit field is a 16 bit field.
66. The method of claim 63 wherein the first wireless signal is received in a wideband code division multiple access frequency division duplex format.
67. The method of claim 63 further comprising receiving a third wireless signal of a downlink dedicated physical,channel (DPCH).
68. The method of claim 67 further comprising processing information on the downlink DPCH by the UE wherein the information indicates at least one control channel associated with the WCDMA high speed downlink packet access for the UE to monitor.
69. The method of claim 63 wherein the second wireless signal includes circuit switched data.
70. The method of claim 63 wherein the second wireless signal includes packet data.
71. The method of claim 63 further comprising intermittently monitoring the control channel.
72. The method of claim 63 wherein the control information indicates at least one physical high speed downlink channel to process.
73. A user equipment (UE) comprising:
circuitry configured to receive a first wireless signal of a first channel, wherein the first wireless signal comprises an N bit field and control information and the N bit field comprises an N bit cyclic redundancy check (CRC) modulo two added to an N bit UE
identity, wherein the value of N is a positive integer and the first channel is a control channel;
circuitry configured to determine whether the CRC is correct;
circuitry configured to use the control information to process a second channel on a condition that at least one criterion is met, wherein the at least one criterion includes the CRC
being correct; and wherein the circuitry is configured to not use the control information to process the second channel on the condition that the at least one criterion is not met.
74. The UE of claim 73 further comprising circuitry configured to monitor a plurality of control channels.
75. The UE of claim 73 wherein the N bit field is a 16 bit field.
76. The UE of claim 73 wherein the second channel includes circuit switched data.
77. The UE of claim 73 wherein the second channel includes packet data.
78. The UE of claim 73 further comprising a battery.
79. The UE of claim 73 wherein the UE identify refers specifically to the UE,
80. The UE of claim 73 wherein the circuitry configured to receive the first wireless signal is further configured to intermittently monitor the first channel.
81. A method for use in a user equipment (UE), the method comprising:

receiving a first wireless signal of a first channel, wherein the first wireless signal comprises an N bit field and control information and the N bit field comprises an N bit cyclic redundancy check (CRC) modulo two combined with an N bit UE identity, wherein the value of N is a positive integer and the first channel is a control channel;

determining whether the CRC is correct;

using the control information to process a second channel on a condition that at least one criterion is met, the at least one criterion including the CRC being correct; and not using the control information to process the second channel on the condition that the at least one criterion is not met.
82. The method of claim 81 wherein the N bit field is a 16 bit field.
83. The method of claim 81 wherein the second channel includes circuit switched data.
84. The method of claim 81 wherein the second channel includes packet data.
85. The method of claim 81 further comprising increasing a use of battery resources when the UE wakes up.
86. The method of claim 81 wherein the UE identify refers specifically to the UE.
87. The method of claim 81 further comprising intermittently monitoring the first channel.
88. A user equipment (UE) comprising:
circuitry configured to receive a wireless signal of a control channel, wherein the wireless signal comprises an N bit field and control information, and the N
bit field comprises an N bit cyclic redundancy check (CRC) modulo two added to an N bit UE
identity, wherein the value of N is a positive integer;
circuitry configured to determine whether criteria are met, wherein the criteria include the CRC is correct and the UE identity is any one of a plurality of UE
identities associated with the UE; and circuitry configured to use the control information to process a downlink shared channel on a condition that the criteria are met.
89. The UE of claim 98 further comprising circuitry configured to monitor a plurality of control channels.
90. The UE of claim 98 wherein at least one of the plurality of UE identities associated with the UE is unique to the UE.
91. The UE of claim 98 wherein at least one of the plurality of UE identities associated with the UE is an identity assigned to the UE.
92. The UE of claim 91 wherein the identity assigned to the UE is unique within a subset of UEs operating in a wireless network.
93. The UE of claim 98 wherein at least one of the plurality of UE identities associated with the UE identifies a group of UEs belonging to a plurality of subsets of UEs operating in a wireless network.
94. The UE of claim 98 wherein at least one of the plurality of UE identities associated with the UE is a global identity which is the same for each UE
operating in a wireless network.
95. The UE of claim 94 wherein the UE receives a broadcast message associated with the global identity on the downlink shared channel.
96. The UE of claim 98 wherein at least one of the plurality of UE identities associated with the UE is further associated with a group of UEs operating in a wireless network.
97. The UE of claim 96 wherein the at least one of the plurality of UE
identities associated with the UE is a global identity which is the same for each UE
operating in the wireless network.
98. A method implemented in a user equipment (UE) device comprising:

the UE device receiving a wireless signal of a control channel, wherein the wireless signal comprises an N bit field and control information, and the N bit field comprises an N
bit cyclic redundancy check (CRC) modulo two added to an N bit UE identity, wherein the value of N is a positive integer;

the UE device determining whether criteria are met, wherein the criteria includes the CRC is correct and the UE identity is any one of a plurality of UE
identities associated with the UE device; and the UE device using the control information to process a downlink shared channel on a condition that the criteria are met.
99. The method of claim 98 further comprising the UE device monitoring a plurality of control channels.
100. The method of claim. 98 wherein at least one of the plurality of UE
identities associated with the UE device is unique to the UE.
101. The method of claim 98 wherein at least one of the plurality of UE
identities associated with the UE device is an identity assigned to the UE.
102. The method of claim 101 wherein the identity assigned to the UE device is unique within a subset of UE devices operating in a wireless network.
103. The method of claim 98 wherein at least one of the plurality of UE
identities associated with the UE device identifies a group of UE devices belonging to a plurality of subsets of UE devices operating in a wireless network.
104. The method of claim 98 wherein at least one of the plurality of UE
identities associated with the UE device is a global identity which is the same for each UE device operating in a wireless network.
105. The method of claim 105 wherein the UE device receives a broadcast message associated with the global identity on the downlink shared channel.
106. The UE of claim 98 wherein at least one of the plurality of UE identities associated with the UE device is further associated with a group of UE devices operating in a wireless network.
107. The UE of claim 106 wherein the at least one of the plurality of UE
identities associated with the UE device is a global identity which is the same for each UE device operating in a wireless network.
108. A Node-B comprising:
circuitry configured to process control information for a user equipment (UE) and producing an N bit cyclic redundancy check (CRC) associated with the control information;
circuitry configured to module 2 add the N bit CRC with an N bit UE identity to produce an N bit field wherein the UE identity is any one of a plurality of UE
identities associated with the UE; and circuitry configured to transmit a wireless signal of a control channel wherein the wireless signal comprises the N bit filed and the control information.
109. The Node B of claim 108, wherein the circuitry configured to transmit the wireless signal is further configured to transmit on any one of a plurality of control channels.
110. The Node B of claim 108 wherein at least one of the plurality of UE
identities of the UE is unique to the UE.
111. The Node B of claim 108, wherein at least one of the plurality of UE
identities of the UE is an identity assigned to the UE.
112. The Node B of claim 111, wherein the identity assigned to the UE is unique within a subset of UEs operating in a wireless network.
113. The Node B of claim 108, wherein at least one of the plurality of UE
identities of the UE identifies a group of UEs belonging to a plurality of subsets of UEs operating in a wireless network.
114. The UE of claim 108, wherein at least one of the plurality of UE
identities of the UE identifies a subset of UEs operating in a wireless network.
115. The UE of claim 114 wherein the subset of UEs is one of a plurality of subsets of UEs operating in a wireless network.
116. The UE of claim 108, wherein the N bit field is derived from said any one of a plurality of UE identities.
117. A system comprising:
a user equipment (UE); and a Node-B comprising:
means for processing control information for the UE and producing an N bit cyclic redundancy check (CRC) associated with the control information;
means for module 2 adding the N bit CRC with an N bit UE identity to produce an N bit field wherein the UE identity is any one of a plurality of UE identities associated with the UE; and means for transmitting a wireless signal of a control channel wherein the wireless signal comprises the N bit field and the control information.
CA 2628685 2001-05-14 2002-05-08 Method and system for implicit user equipment identification Expired - Lifetime CA2628685C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2805897A CA2805897C (en) 2001-05-14 2002-05-08 Method and system for implicit user equipment identification

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US29074001P 2001-05-14 2001-05-14
US60/290,740 2001-05-14
US31499301P 2001-08-24 2001-08-24
US60/314,993 2001-08-24
US34535801P 2001-10-25 2001-10-25
US60/345,358 2001-10-25
US10/035,771 US6915473B2 (en) 2001-05-14 2001-12-26 Method and system for implicit user equipment identification
US10/035,771 2001-12-26
CA 2447291 CA2447291C (en) 2001-05-14 2002-05-08 Method and system for implicit user equipment identification

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CA2628685C CA2628685C (en) 2013-12-24

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CA2805897A Expired - Lifetime CA2805897C (en) 2001-05-14 2002-05-08 Method and system for implicit user equipment identification
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CA2805897A Expired - Lifetime CA2805897C (en) 2001-05-14 2002-05-08 Method and system for implicit user equipment identification

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EP (4) EP1388212A4 (en)
JP (8) JP4512315B2 (en)
KR (4) KR200286240Y1 (en)
CN (2) CN1306712C (en)
AR (3) AR033734A1 (en)
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BR (1) BR0209904A (en)
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DE (2) DE02726848T1 (en)
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