Access method of multi-mode user equipment in WLAN and cellular mixed network

Abstract

The invention discloses an access method of multi-mode user equipment in a WLAN and cellular mixed network. The method includes: when the user equipment UE is in a WLAN and cellular network overlapping coverage and the access condition of the WLAN network is satisfied, a UE downlink accesses the WLAN network; the UE receives related parameters of the WLAN network broadcasted in a periodic manner by WLAN access points; the UE calculates the satisfaction degree obtained by uplink accessed to the WLAN network according to the related parameters of the WLAN network, calculates the satisfaction degree obtained by the uplink accessed to a cellular network, and compares the satisfaction degrees; and the UE uplink accesses the network with high satisfaction degree. According to the method, a user uplink is guided to access the cellular network via an incentive mechanism, the competition and conflicts in the WLAN are reduced, and the system throughput is effectively increased; besides, the downlink throughput and the uplink power consumption of the user equipment are considered in a combined manner via a satisfaction function, the benefit brought by the access selection of the user equipment is reflected, and the user equipment uplink can always access service nodes with the highest benefit.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a method for accessing multi-mode user equipment in a WLAN and cellular hybrid network. Background technique [0002] Currently, in a hybrid network composed of a WLAN (Wireless Local Area Network) and a cellular network, access methods for multi-mode user equipment include coupled access and non-coupled access. In coupled access, user equipment uplinks and downlinks to the same base station (i.e. cellular network base station) or access point (i.e. WLAN access point) for data transmission, such as: WLAN-first access method, WLAN coverage The user equipment in the network is always preferentially connected to the WLAN access point for uplink and downlink data transmission. In non-coupling access, user equipment uplink and downlink can be connected to different base stations or access points for data transmission, such as the uplink cell priority access method, the...

AI Technical Summary

Problems solved by technology

[0003] In fact, due to the small coverage of WLAN, in the overlapping coverage area of ​​cellular network and WLAN, users are usually farther away from the cellular base station, and uplink access to cellular network consumes more energy of user equipment than access to WLAN. However, the existing The access method ignores the energy consumed by the user equipment due to uplink transmission

At the same time, the user's uplink access to the cellular network can reduce competition and conflicts in the WLAN network, thereby improving system throughput. However, the existing access methods lack an effective incentive mechanism to guide users to uplink into the cellular network.

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