Broadcast control bandwidth allocation and data transceiving method and apparatus

Patent metadata

Field	Value
Publication number	US-2016309367-A1
Application number	US-201615192054-A
Country	US
Kind code	A1
Filing date	Jun 24, 2016
Priority date	Dec 27, 2013
Publication date	Oct 20, 2016
Grant date	—

Abstract

Embodiments of the present invention provide a broadcast control bandwidth allocation and data transceiving method. The method includes: acquiring location information and channel distribution information that are of current user equipment; preprocessing a time-frequency resource of a channel according to the location information and the channel distribution information that are of the current user equipment; updating bandwidth allocation information according to the preset bandwidth and quantities of each data channel and each control channel and the preset quantities of repetitions corresponding to each data channel and each control channel; and broadcasting broadcast information to the user equipment by using a broadcast channel.

First claim

1 . A broadcast control bandwidth allocation and data transceiving method, wherein the method comprises:
acquiring location information and channel distribution information that are of each user equipment, wherein the location information of each user equipment is used to indicate coordinates of each user equipment, and the channel distribution information is used to indicate a channel used by each user equipment and a quantity of repetitions of sending data on the channel by each user equipment; determining, according to the location information and the channel distribution information that are of each user equipment, bandwidth and quantities of data channels and control channels and quantities of repetitions corresponding to the data channel and the control channel; updating bandwidth allocation information according to the bandwidth and the quantities of data channels and control channels and the quantities of repetitions corresponding to the data channel and the control channel, wherein the bandwidth allocation information is used to indicate time-frequency positions of and the quantities of repetitions of the control channel and the data channel; and sending broadcast information to each user equipment by using a broadcast channel, wherein the broadcast information comprises at least the bandwidth allocation information, so that each user equipment determines, according to the bandwidth allocation information, a control channel and a data channel that are corresponding to quantities of repetitions required for sending data, and then each user equipment chooses to receive and send data on the corresponding control channel and data channel.

2 . The broadcast control bandwidth allocation and data transceiving method according to claim 1 , wherein the determining, according to the location information and the channel distribution information that are of each user equipment, bandwidth and quantities of data channels and control channels and quantities of repetitions corresponding to the data channel and the control channel specifically comprises:
collecting statistics on the location information and the channel distribution information that are of each user equipment to obtain user equipment allocation ratios of each data channel and each control channel that are of a corresponding quantity of repetitions; configuring, according to the user equipment allocation ratios of each data channel and each control channel that are of the corresponding quantity of repetitions, occupied time of each data channel and each control channel that are of the corresponding quantity of repetitions; and determining, according to the occupied time of each data channel and each control channel that are corresponding to the quantities of repetitions, the bandwidth and the quantities of data channels and control channels and the quantities of repetitions corresponding to the data channel and the control channel.

3 . The broadcast control bandwidth allocation and data transceiving method according to claim 1 , wherein the determining, according to the location information and the channel distribution information that are of each user equipment, bandwidth and quantities of data channels and control channels and quantities of repetitions corresponding to the data channel and the control channel specifically comprises:
collecting statistics on the location information and the channel distribution information that are of each user equipment to obtain user equipment allocation ratios of each data channel and each control channel that are of a corresponding quantity of repetitions; configuring, according to the user equipment allocation ratios of each data channel and each control channel that are of the corresponding quantity of repetitions, occupied frequencies and/or occupied time frequencies of each data channel and each control channel that are of the corresponding quantity of repetitions; and determining, according to the occupied frequencies and/or the occupied time frequencies of each data channel and each control channel that are of a different quantity of repetitions, the bandwidth and the quantities of data channels and control channels and the quantities of repetitions corresponding to the data channel and the control channel.

4 . The broadcast control bandwidth allocation and data transceiving method according to claim 1 , wherein the bandwidth allocation information further comprises frequency positions of uplink and downlink narrowband and a position fixedly used as a time-frequency resource position of a random access channel RACH; wherein
the frequency positions of the uplink and downlink narrowband are used to indicate frequency band resources occupied by the uplink and downlink narrowband; and the time-frequency resource position of the random access channel RACH is used to indicate a position of a contention-based access resource.

5 . The broadcast control bandwidth allocation and data transceiving method according to claim 1 , wherein the broadcast information further comprises one or more types of the following information: access control information, a cell ID, public land mobile network PLMN information, a system frame number, a system message change indication, random backoff time, and a random backoff probability, wherein
the access control information is used to indicate a type of user equipment that is allowed for access or allowed to send data; the cell ID is physical identification information of a cell, and is used to distinguish different cells; the PLMN information is used to distinguish different operator networks, so as to perform access control; the system frame number is used to indicate a current running time point of a base station; the system message change indication is used to indicate whether a system message of user equipment changes; the random backoff time is used to indicate sleep duration of user equipment after the user equipment fails to send data; and the random backoff probability is used to indicate whether to perform a backoff operation, and a probability of performing the backoff operation.

6 . The broadcast control bandwidth allocation and data transceiving method according to claim 1 , after the sending broadcast information to each user equipment by using a broadcast channel, further comprising:
receiving the channel distribution information and data embedded with a user equipment identity UEID, wherein the channel distribution information and the data are sent by the user equipment according to a control channel and a data channel that are of a corresponding quantity of repetitions; or receiving the channel distribution information and a part of data embedded with a user equipment identity UEID and a buffer status report BSR, wherein the channel distribution information and the part of data are sent by the user equipment according to a control channel and a data channel that are of a corresponding quantity of repetitions.

7 . The broadcast control bandwidth allocation and data transceiving method according to claim 6 , after the receiving the channel distribution information and data embedded with a user equipment identity UEID, wherein the channel distribution information and the data are sent by the user equipment according to a control channel and a data channel that are of a corresponding quantity of repetitions, further comprising:
parsing the data and the channel distribution information to obtain a second quantity of repetitions; and sending scheduling information that comprises the second quantity of repetitions to the user equipment, so that the user equipment adjusts an original quantity of repetitions to the second quantity of repetitions according to the scheduling information to perform data sending.

Assignees

• Huawei Tech Co Ltd

Inventors

• Li Zhenyu
• Zhu Song
• Guo Xiaolong
• Yu Zhiqin

Classifications

• H04W56/001

  Synchronization between nodes · CPC title

• H04W64/00

  Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management · CPC title

• H04W4/06

  Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services · CPC title

• H04L12/6418

  Hybrid transport · CPC title

• H04W88/08

  Access point devices · CPC title