Patent EP1401152A2 successfully refreshed from Google Patents.
EP1401152A2
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Method for determining a transmission scheme for an MBMS service in a mobile communication system
Assignee: Samsung Electronics Co Ltd
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Filing: 2003-09-17
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Granted: —
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Expires: 2023-09-17
Abstract
Abstract A method for determining a transmission scheme for transmission of packet service data in a mobile communication system. The method detects the number of all user equipments (UEs) requesting the packet service data, located in a cell to which the UEs requesting the packet service data belong, and downlink transmission power used to provide the packet service in the cell, and determines a transmission scheme for the packet service data of the cell according to the detected number of the UEs and the detected downlink transmission power, thereby increasing efficiency of downlink transmission resources.
Inventors
- 👤 Soeng-Hun c/o Samsung Electr.Co.Ltd. Kim
- 👤 Yong-Jun c/o Samsung Electr.Co.Ltd. Kwak
- 👤 Sung-Ho c/o Samsung Electr.Co.Ltd. Choi
- 👤 Joon-Goo c/o Samsung Electr.Co.Ltd. Park
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 10:35
CPC Classifications
H; H04; H04W; H04W4/00; H04W4/06; H04W52/00; H04W52/04; H04W52/30; H04W52/32; H04W52/327; H04W72/00; H04W72/30
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
209 words
A method for switching a type of a transmission scheme to a
point-to-multipoint (PTM) scheme, by a Node B, which provides an MBMS
(Multimedia Broadcast/Multicast Service) service to at least one user equipment
(UE) in a point-to-point (PTP) scheme as the transmission scheme, in a mobile
communication system including the at least one UE located in a cell, the UE
receiving the MBMS service via the cell, and a radio network controller (RNC)
providing the MBMS service to the at least one UE via the cell, the mobile
communication system determining the type of the transmission scheme
according to a number of the at least one UE receiving the MBMS service within
the cell, the method comprising the steps of: receiving, by the at least one UE, a measurement command from the
RNC; upon receiving the measurement command, measuring, by the at least
one UE, total transmission power of a dedicated channel providing the MBMS
service, for the cell; and receiving, by the at least one UE, a power threshold and a waiting time
provided from the RNC before receiving the measurement command, and
sending a request for switching the transmission scheme to the RNC, if the
measured total transmission power exceeds the power threshold for the waiting
time.
Claim 2
Dependent Claim
46 words
The method of claim 1, further comprising the step of, upon
receiving a measurement delete command in response to the transmission scheme
switching request, suspending measurement of the total transmission power and
then assigning a radio resource for providing the MBMS service in the PTM
scheme.
Claim 3
Dependent Claim
48 words
The method of claim 1, wherein the measurement command
comprises radio link identifier information for identifying at least one dedicated
channel providing the MBMS service in the PTP scheme and Node B
communication context (NBCC) identifier information for identifying the at least
one UE receiving the MBMS service.
Claim 4
Dependent Claim
55 words
The method of claim 1, wherein the measurement command
comprises radio link identifier information for identifying at least one dedicated
channel providing the MBMS service in the PTP scheme as radio link
information desired to be excluded from the measurement, and NBCC identifier
information for identifying the at least one UE receiving the MBMS service.
Claim 5
Dependent Claim
28 words
The method of claim 3, wherein the transmission scheme
switching request is transmitted along with a measurement identifier
corresponding to the radio link identifier and the NBCC identifier.
Claim 6
Dependent Claim
24 words
The method of claim 1, wherein the power threshold and the
waiting time are provided during initialization for measurement of the total
transmission power.
Claim 7
Dependent Claim
18 words
The method of claim 1, wherein the transmission scheme
switching request is determined by reporting the measurement result.
Claim 8
Independent Claim
220 words
A method for switching a type of a transmission scheme to a
point-to-multipoint (PTM) scheme by a radio network controller (RNC), which
provides an MBMS (Multimedia Broadcast/Multicast Service) service to at least
one user equipment (UE) in a point-to-point PTP scheme as the transmission
scheme; in a mobile communication system including the at least one UE located
in a cell in a Node B, the at least one UE receiving the MBMS service via the cell,
and the RNC providing the MBMS service to the at least one UE via the Node B,
the mobile communication system determining the type of the transmission
scheme according to a number of the at least one UE receiving the MBMS
service within the cell, the method comprising the steps of: providing, by the RNC, a power threshold and a waiting time to the Node
B, and issuing a command to measure total transmission power of a dedicated
channel providing the MBMS service in the cell; receiving, by the RNC, a report on the measurement result from the
Node B, in which the total transmission power measured in response to the
measurement command exceeds the power threshold for the waiting time; and switching, by the RNC, the type of the transmission scheme to the PTM
scheme upon receiving the report on the measurement result.
Claim 9
Dependent Claim
57 words
The method of claim 8, wherein upon receiving the report on the
measurement result, the RNC transmits a command to suspend measurement of
the total transmission power to the Node B and assigns a radio resource for
providing the MBMS service in the PTM scheme, thereby switching the type of
the transmission scheme to the PTM scheme.
Claim 10
Dependent Claim
45 words
The method of claim 8, wherein the measurement command
comprises radio link identifier information for identifying at least one dedicated
channel providing the MBMS service in the PTM scheme, and Node B
communication context (NBCC) identifier information for identifying the UE
receiving the MBMS service.
Claim 11
Dependent Claim
52 words
The method of claim 8, wherein the measurement command
comprises radio link identifier information for identifying at least one dedicated
channel providing the MBMS service in the PTP scheme as radio link
information desired to be excluded from the measurement, and NBCC identifier
information for identifying the UE receiving the MBMS service.
Claim 12
Dependent Claim
27 words
The method of claim 10, wherein the measurement result report
is transmitted along with a measurement identifier corresponding to the radio link
identifier and the NBCC identifier.
Claim 13
Dependent Claim
24 words
The method of claim 8, wherein the power threshold and the
waiting time are provided during initialization, for measurement of the total
transmission power.
Claim 14
Dependent Claim
223 words
, A method for switching a transmission scheme for providing an
MBMS (Multimedia Broadcast/Multicast Service) service to a particular cell
from a point-to-point (PTP) scheme to a point-to-multipoint (PTM) scheme, in a
mobile communication system including at least one user equipment (UE)
located in a cell in a Node B, the at least one UE receiving the MBMS service via
the cell, and a radio network controller (RNC) providing the MBMS service to
the at least one UE via the Node B, the mobile communication system
determining the type of the transmission scheme according to a number of the at
least one UE receiving the MBMS service within the cell, the method comprising
the steps of: providing, by the RNC, a power threshold and a waiting time to the Node
B, and issuing a command to measure total transmission power of a dedicated
channel providing the MBMS service in the cell; upon receiving the measurement command, measuring, by the Node B,
total transmission power of a dedicated channel providing the MBMS service for
the cell, and transmitting a report on the measurement result to the RNC, if the
measured total transmission power exceeds the power threshold for the waiting
time; and switching, by the RNC, the type of the transmission scheme to the PTM
scheme based on the report on the measurement result.
Claim 15
Dependent Claim
55 words
The method of claim 14, wherein the step of switching the type
of the transmission scheme comprises the steps of: sending, by the RNC, a command to suspend measurement of the total
transmission power, to the Node B: and assigning, by the RNC, a radio resource for providing the MBMS service
in the PTM scheme.
Claim 16
Dependent Claim
45 words
The method of claim 14, wherein the measurement command
comprises radio link identifier information for identifying at least one dedicated
channel providing the MBMS service in the PTM scheme, and Node B
communication context (NBCC) identifier information for identifying the UE
receiving the MBMS service.
Claim 17
Dependent Claim
52 words
The method of claim 14, wherein the measurement command
comprises radio link identifier information for identifying at least one dedicated
channel providing the MBMS service in the PTP scheme as radio link
information desired to be excluded from the measurement, and NBCC identifier
information for identifying the UE receiving the MBMS service.
Claim 18
Dependent Claim
27 words
The method of claim 16, wherein the measurement result report
is transmitted along with a measurement identifier corresponding to the radio link
identifier and the NBCC identifier.
Claim 19
Dependent Claim
24 words
The method of claim 14, wherein the power threshold and the
waiting time are provided during initialization for measurement of the total
transmission power.
Claim 20
Independent Claim
206 words
A method for switching a type of a transmission scheme to a
point-to-multipoint (PTM) scheme by a radio network controller (RNC), which
provides an MBMS (Multimedia Broadcast/Multicast Service) service to at least
one user equipment (UE) in a point-to-point (PTP) scheme as the transmission
scheme, in a mobile communication system including the at least one UE located
in a cell in a Node B, the at least one UE receiving the MBMS service via the cell,
and the RNC providing the MBMS service to the at least one UE via the Node B,
the mobile communication system determining the type of the transmission
scheme according to a number of the at least one UE receiving the MBMS
service within the cell, the method comprising the steps of: transmitting, from the RNC to the Node B, a command to measure total
transmission power of a dedicated channel providing the MBMS service in the
cell; receiving, by the RNC, a report on the total transmission power
measured in response to the measurement command from the Node B; and switching, by the kNC, the type of the transmission scheme to the PTM
scheme, if the reported total transmission power exceeds a predetermined power
threshold for a predetermined waiting time.
Claim 21
Dependent Claim
52 words
The method of claim 20, wherein the step of switching the type
of the transmission scheme comprises the steps of: transmitting a command to suspend measurement of the total
transmission power, from the RNC to the Node B; and assigning a radio resource for providing the MBMS service in the PTM
scheme.
Claim 22
Dependent Claim
45 words
The method of claim 20, wherein the measurement command
comprises radio link identifier information for identifying at least one dedicated
channel providing the MBMS service in the PTP scheme, and Node B
communication context (NBCC) identifier information for identifying the UE
receiving the MBMS service.
Claim 23
Dependent Claim
52 words
The method of claim 20, wherein the measurement command
comprises radio link identifier information for identifying at least one dedicated
channel providing the MBMS service in the PTP scheme as radio link
information desired to be excluded from the measurement, and NBCC identifier
information for identifying the UE receiving the MBMS service.
Claim 24
Dependent Claim
27 words
The method of claim 22, wherein the measurement result report
is transmitted along with a measurement identifier corresponding to the radio link
identifier and the NBCC identifier.
Claim 25
Independent Claim
179 words
A method for determining a transmission scheme for an MBMS
(Multimedia Broadcast/Multicast Service) service to at least one user equipment
(UE) by a radio network controller (RNC) in a mobile communication system
including the at least one UE located in a cell of a particular Node B, the at least
one UE receiving the MBMS service via the cell, and the RNC providing the
MBMS service to the at least one UE via the Node B, the method comprising the
steps of: transmitting, to the Node B, a measurement command to measure total
transmission power of a dedicated channel providing the MBMS service in the
cell; determining whether a number of the at least one UE receiving the
MBMS service within the cell reaches a predetermined threshold; and determining a point-to-multipoint (PTM) scheme as a type of the
transmission scheme, if the number of the at least one UE reaches the
predetermined threshold and the total transmission power measured by the Node
B in response to the measurement request exceeds a predetermined power
threshold for a predetermined waiting time.
References Cited (Backward Citations)
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