Alcatel Lucent

Nokia Technologies Oy

Nokia Solutions and Networks Oy

Alcatel Shanghai Bell Co., Ltd.

Hua Chao

Yonggang Wang

Zhongji Hu

Yu Chen

He Wang

Pingping Xing

Nan Wang

Xin Xu

Zongchuang Liang

Samuli Heikki Turtinen

Timo Erkki Lunttila

Rapeepat Ratasuk

Sudeep K Palat

Jussi-Pekka Koskinen

Yong Liang Liu

Haitao Li

Nitin R Mangalvedhe

Srinivasan Selvaganapathy

Philippe Godin

Dong Li

Tao Tao

David Bhatoolaul

Nicola Puddle

Ji Li

Luoning Gui

Example embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media for HARQ retransmission for HARQ feedback. In example embodiments, a first device receives, from a second device, hybrid automatic repeat request, HARQ, negative acknowledgement, NACK, feedback for a data unit in a HARQ process. Moreover, the first device retransmits, to the second device, the data unit in the HARQ process and at least one data unit in at least one subsequent HARQ process, regardless of receiving HARQ feedback for the at least one data unit in the at least one subsequent HARQ process.

HARQ retransmissions for HARQ feedback

A method for in-X subnetwork includes obtaining, from a third device in a second network, resource configuration supporting communication between a first device and a second device in the first network, the communication including more than one traffic type, wherein the more than one traffic type is for data transmission between the first device and the second device without involving the third device, and a second traffic type of the more than one traffic type is for data transmission between the second device and the third device via the first device; determining, based at least on the resource configuration and the more than one traffic type, at least one resource pool to be used for the communication between the first device and the second device; and transmitting, to the second device, information indicative of the at least one resource pool.

Configuration for in-X subnetworks

An apparatus comprising: at least one processor; and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to perform: receiving at least one signal comprising control information; determining data to transmit using grant-free data transmission; determining whether grant-free data transmission using time-frequency repetition is permitted for the grant-free data transmission in dependence on the received control information; if it is determined that use of time-frequency repetition for the grant-free data transmission is permitted, causing transmission of grant-free data transmission using time-frequency repetition; and if it is determined that use of time-frequency repetition for the grant-free data transmission is not permitted, causing transmission of grant-free data transmission without using time-frequency repetition.

Data transmission control

Embodiments of the present disclosure relate to the resource configuration for Narrow Band Internet of Thing (NB-IoT). A method of resource configuration for NB-IoT includes determining, at a network device, whether a configured Uplink Resource (PUR) for transmission from a terminal device to the network device is to be adjusted; in response to determining that the PUR is to be adjusted, determining a set of resources to be allocated for further transmission from the terminal device to the network device based on a Transport Block Size (TBS) associated with the further transmission; generating reconfiguration information of the PUR based on the set of the resources; and transmitting the reconfiguration information to the terminal device. In this way, the resource configuration may be determined and adjusted more efficiently and flexibility compared to the conventional way.

Resource configuration for NB-IoT

Embodiments of the present disclosure relate to methods, devices and computer readable storage medium for transport block size (TBS) configuration. In example embodiments, a terminal device transmits a random access preamble to a network device. The terminal device receives a random access response from the network device. The random access response includes a resource allocated for a reference TBS. Based on the reference TBS, the terminal device determines a TBS for transmitting data to the network device. Then, the terminal device transmits the data to the network device by using the determined TBS and the allocated resource. This TBS configuration is more flexible.

Configuration of transport block size

A method, an apparatus and a computer readable medium ae disclosed for early data transmission determinations using an uplink grant. The method includes obtaining Radio Resource Control (RRC) signaling to be transmitted to a network device and data to be transmitted with the RRC signaling. The method also includes, in response to receiving a Random Access Response with uplink grant from the network device, determining, based on the uplink grant, whether the data is allowed to be transmitted with the RRC signaling. In addition, the method also includes, in response to determining whether the data is allowed to be transmitted with the RRC signaling, generating a media access control (MAC) packet data unit (PDU) and transmitting the MAC PDU the network device.

Early data transmission determinations using an uplink grant

Embodiments of the present invention provide a method and apparatus for performing MBMS service communications and a method and apparatus for receiving an MBMS service. Specifically, there is provided a method for performing MBMS service communications, comprising acquiring location area information of an MBMS service distribution; and notifying a UE of the location area information of the MBMS service distribution. Further, there is provided a method for receiving an MBMS service, comprising receiving location area information of an MBMS service distribution; comparing location information of a UE with the location area information of the MBMS service distribution; and determining whether to read an MCCH and MCCH information change notification based on a comparison result.

Method and apparatus for performing MBMS communications and method and apparatus for receiving MBMSs

The present invention relates to a method for establishing a service in a first frequency in a communication network, wherein the first frequency does not support the service or supports it in a limited way, the method comprises the following steps: determining the service to be established, re-selecting or redirecting to a second frequency that is suitable for the service, so as to carry out the service in the second frequency. The present invention also relates to user equipment and a network apparatus for establishing a service in a first frequency in a communication network, wherein the first frequency does not support the service or supports it in a limited way. According to the present invention, a non-MBMS service may be established in the MBMS dedicated frequency, so as to carry out the non-MBMS service in the normal frequency.

Method and apparatus for establishing a service in a first frequency

The invention relates to a method, in an interworking function device, of distributing a group message of machine type communication, the method including the steps of: receiving the group message from a service capability server, wherein the group message includes location/area information, radio access technology information, external group identifier information and/or application layer data; selecting a transmission mode under a predetermined policy according to the group message or obtaining the transmission mode by querying a home location register or a home subscriber server according to the group message; translating the location/area information into a geographical area in which the group message is transmitted and updating the group message with the geographical area; mapping the external group identifier information to internal group identifier information according to information in the home location register or the home subscriber server and updating the group message with the internal group identifier information to obtain an updated group message; querying the home location register or the home subscriber server according to the updated group message about a core network node or a broadcast system node for transmitting the group message; and transmitting the updated group message to the core network node or the broadcast system node in the selected transmission mode.

Method of distributing group message of machine type communication

An object of the invention is providing methods, apparatuses and a system for determining connection state assistive parameters. Compared with the prior art, according to the present invention, the core network element obtains the connection release time information and radio access network assistance information corresponding to the user equipment sent by the e NB, and when the user equipment transmits a request for network access service to the core network element, the core network element determines core network assistance information corresponding to the request for network access service based on the aforementioned information, and then transmits the core network assistance information to the e NB to act as connection state assistive parameters corresponding to the user equipment. Thereby, the present invention may enable the e NB to adjust/optimize the connection state assistive parameters corresponding to the e NB and the user equipment through providing ore network assistance information to the e NB by the core network element, reduce the transitions frequency between the idle state and the connection state, minimize transmission of network signaling, and reduce user equipment power consumption.

Methods, apparatuses, and system for determining connection state assistive parameters

A method and apparatus of content transmission based on multimedia broadcast/multicast service (MBMS) in a machine type communication (MTC). A BM-SC receives a session start time from a MTC server; sends to a plurality of MTC devices a service announcement including the session start time; begins to establish MBMS bearers to the plurality of MTC devices when the session start time is reached; and transmits MTC service content from the MTC server to the plurality of MTC devices via the MBMS bearers. A MTC device receives a service announcement including a session start time therein; when the session start time is reached, wakes up to receive a notification about the MBMS bearers; and then receives MTC service contents transmitted via the MBMS bearers.

Method and apparatus of MBMS-based content transmissions in machine-type communications

The present invention provides a deactivation method of multimedia broadcast multicast service for wireless communication system, comprising steps of: in SGSN, completing the context deactivation of user equipment of broadcast multicast service; in the user equipment, completing the context deactivation of user equipment of multimedia broadcast multicast service; in GGSN, completing the context deactivation of user equipment of multimedia broadcast multicast service; characterized by further comprising steps of: in SGSN, after completing the context deactivation of user equipment of multimedia broadcast multicast service, completing the context deactivation of user equipment of multimedia broadcast multicast service in a radio network controller of a radio access network. According to the method of the present invention, the context of user equipment of multimedia broadcast multicast service in the radio network controller is deleted, so that the waste of radio resources is prevented, the hidden troubles induced by the inconsistency of data among the network elements is removed, and a foundation for the correct realization of future products is laid.

Deactivation method of multimedia broadcast multicast service and related device

The present invention is related to integrated multi-datastream transmission technology, more particularly, to integrated multi-datastream modulation technology. According to one aspect of the present invention, there is provided a modulation equipment (), including: a symbol integration means (), configured to combine a first bit stream with a second bit stream to form a symbol to be modulated; a symbol mapping means (), configured to map the symbol to be modulated into a QAM modulation symbol according to a set of predetermined mapping rules; wherein, in the set of predetermined mapping rules, multiple constellations corresponding to any first bit stream are located in at least two quadrants in the constellation diagram, while multiple constellations corresponding to any second bit stream are located in at least two quadrants in the constellation diagram. The integrated transmission of a first service data and a second service data (e.g., unicast service data and MBMS data) may be supported and has a better performance than the prior art especially in single cell scenario by using the method, equipment and device in the present invention.

Integrated multi-datastream transmission technology

The invention provides a method and device for sending MBMS traffic data based on MBMS Cell Group, the method comprises the following steps: channel coding and modulating said MBMS traffic data; determining said MBMS cell group-specific scrambling code; determining said MBMS cell-specific scrambling code; scrambling said MBMS traffic data with said MBMS cell group-specific scrambling code, and adding reference signal scrambled with said MBMS cell group-specific scrambling code and reference signal scrambled with said MBMS cell-specific scrambling code; and sending scrambled MBMS reference signal and data. With the method and the corresponding device provided by the invention, it is easy to realize RF combining or RF combining and soft combining simultaneously at UE to obtain diversity gain.

Method and apparatus for transmitting and receiving MBMS data

The present invention discloses a system structure for supporting Evolved Multimedia Broadcast/Multicast Service (Evolved MBMS), comprising: a Broadcast/Multicast Service Center (BM-SC) for initiating control signaling and bearer services for Multimedia Broadcast/Multicast Service (MBMS); a System Architecture Evolved Gateway (SAE GW) for receiving MBMS service data and MBMS control signaling or service data from another network, and forwarding the received service data and control signaling; a Broadcast/Multicast Management Entity (BME) for receiving, processing and forwarding the MBMS control signaling, and determining, for each item of the service data for MBMS, an enhanced Node B (eNB) which needs to receive the control signaling; and an multicast User Plane Entity (mUPE) for receiving the MBMS service data, processing the received MBMS service data in Evolved Packet System Architecture Evolution, and forwarding the processed MBMS service data to a downstream node.

Growing community of inventors

Shanghai, China

Hua Chao