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Method for transmitting and receiving multicast services of multimedia broadcast

A technology of multimedia broadcasting and receiving method, which is applied in the field of MBMS transmission and reception, and can solve the problems such as no proposed MBMS service area, etc.

Inactive Publication Date: 2012-06-06
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Among the currently proposed standards, there is no proposal for a small-scale MBMS business service area composed of relay stations

Method used

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  • Method for transmitting and receiving multicast services of multimedia broadcast
  • Method for transmitting and receiving multicast services of multimedia broadcast
  • Method for transmitting and receiving multicast services of multimedia broadcast

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Embodiment Construction

[0033] The present invention relates to the next generation mobile communication system, especially the MBMS service physical layer transmitting and receiving method participated by non-transparent RSs in a small area. Multiple non-transparent RSs are used to transmit the same MBMS service at the transmitting end, and macro-diversity combining is adopted at the receiving end. The processing method realizes the transmission and reception of the multimedia broadcast multicast service.

[0034] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0035] Such as figure 1 As shown, in the embodiment of the present invention, the method for transmitting a small-range MBMS composed of non-transparent RSs includes the following steps:

[0036] Step 101, each non-transparent RS in the MBMS service coverage area performs consistent service mapping and modulation on the MBMS service data to be sent to obtain MB...

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Abstract

The invention discloses a method for transmitting small range of multicast services of a multimedia broadcast (MBMC) consisting of nontransparent relay stations (RS), which comprises the following steps that: various nontransparent RSs in the covering area of MBMS service requirement to be played performs consistent service mapping and modulation on MBMS service data required to be transmitted toobtain MBMS service sign level data; same time frequency two-dimensional resources are allocated to the MBMS service data in various nontransparent RSs participating in the MBMS services; and the various nontransparent RSs insert a reference signal to the MBMS service data, and then perform OFDM operation on the MBMS service data so as to form and transmit emission signals. The invention also discloses a method for receiving small range of MBMS consisting of the nontransparent RSs. The methods can provide the MBMS services with small range and features in the nontransparent RSs covering area,and simultaneously provide power merging gain for the UE end.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a method for transmitting and receiving MBMS (Multimedia Broadcast / Multicast Service, Multimedia Broadcast Multicast Service) in a small area composed of relay stations. Background technique [0002] With the popularization of large-screen multifunctional mobile phones, the application of mobile data services is becoming more and more extensive, and the demand for mobile communications is no longer satisfied with phone calls, messages, and mobile Internet browsing services. Due to the rapid development of the Internet, a large number of multimedia services have emerged. Various high-bandwidth multimedia services, such as video conferencing, TV broadcasting, video-on-demand, advertisements, online education, and interactive games, continue to emerge. On the one hand, they meet the ever-increasing service demands of mobile users, and at the same time, they bring new se...

Claims

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Application Information

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IPC IPC(8): H04W4/06H04W16/26H04L27/26H04L25/02
Inventor 苟伟王斌
Owner ZTE CORP
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